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TS932IDT - Dual Micropower RRO Op Amp | STMicroelectronics
TS932IDT

TS932IDT - Dual Micropower RRO Op Amp | STMicroelectronics

STMicroelectronics TS932IDT is a dual, rail-to-rail operational amplifier with CMOS inputs, a typical supply current of 20 uA, and a gain-bandwidth product of 100 kHz. It operates from supply voltages as low as 2.7 V and is packaged in an 8-pin SOIC. The device is intended for low-power, signal-conditioning, and battery-operated circuits. A rail-to-rail operational amplifier is an amplifier whose input and output voltage ranges can extend close to the supply rails. This capability helps preserve signal range in low-voltage systems where conventional amplifiers would clip signals near ground or the positive supply. The TS932 belongs to the operational-amplifier hierarchy, combining low quiescent consumption, CMOS input capability, and rail-to-rail operation in a compact SOIC-8 package. The TS932IDT provides two amplifier circuits in one package. According to the STMicroelectronics manufacturer datasheet, the TS93x series can operate with voltages as low as 2.7 V and reaches a 2.9 Vpp output swing with a 100 kΩ load when supplied at 3 V. Typical consumption is only 20 uA, making the dual amplifier suitable for portable instrumentation and other systems where supply efficiency and signal headroom are important. Its CMOS inputs support low-bias operation, while the 100 kHz gain-bandwidth product suits general-purpose low-frequency amplification rather than high-speed signal chains. The rail-to-rail output also improves usable output range near the supply limits. These characteristics make the device relevant to sensor interfaces, battery-powered measurement systems, audio control circuits, and low-power industrial electronics. Typical uses include buffering sensor outputs, amplifying low-level analog signals, and providing two independent amplifier channels in one package. Designers should account for the 100 kHz bandwidth when choosing feedback resistors and gain settings. High-gain configurations also require attention to input offset, bias current, noise, and stability. Use the TS932IDT when a dual amplifier, low quiescent current, and rail-to-rail operation are required in a compact SOIC-8 footprint. Confirm output loading, capacitive loads, supply range, and required bandwidth against the manufacturer datasheet before finalizing a precision or high-gain design. This product page combines manufacturer specifications, sourcing guidance, drop-in replacement analysis, and practical circuit-design notes to support faster component evaluation and PCB-level implementation.

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TS932IN - Dual 2.7V Rail-to-Rail Op Amp | STMicroelectronics
TS932IN

TS932IN - Dual 2.7V Rail-to-Rail Op Amp | STMicroelectronics

STMicroelectronics TS932IN is a dual, general-purpose operational amplifier designed for low-voltage systems operating from 2.7 V. The device uses rail-to-rail output stages and is specified to reach a 2.9 Vpp output swing with a 100 kΩ load when supplied from 3 V. It is packaged for through-hole assembly in an 8-pin Mini DIP package. The TS932IN combines two amplifier channels, low-voltage operation, and rail-to-rail output capability in one compact IC, making it useful for sensor conditioning, portable instrumentation, audio signal processing, and general analog signal-chain designs. An operational amplifier is an analog integrated circuit that compares two input voltages and amplifies the difference between them. It belongs to the amplifier IC hierarchy and supports feedback, filtering, buffering, level conversion, and closed-loop control functions. The TS932IN is a dual amplifier, so two independent signal-processing channels are available in one package. Its rail-to-rail output stage is particularly useful when the required output signal must approach the available supply-rail limits. The primary confirmed features of the TS932IN include operation down to 2.7 V, dual-circuit construction, rail-to-rail output behavior, and a 2.9 Vpp output swing at 3 V supply with a 100 kΩ load. This combination suits battery-powered and low-voltage embedded systems where headroom is limited. Because the output can operate close to the supply rails, designers can increase usable signal range without requiring a substantially higher supply voltage. In dual-signal applications, the TS932IN can process one channel as an active filter and the other as a buffer or gain stage. Symmetrical device construction helps simplify PCB planning in instrumentation, audio, communications, and industrial control products. Its through-hole Mini DIP package also remains convenient for prototyping, educational platforms, repair assemblies, and designs assembled with conventional through-hole insertion rather than fine-pitch surface-mount automation. Typical applications include sensor-signal conditioning, low-voltage audio processing, joystick and control interfaces, ADC input drivers, active filters, and general-purpose dual-channel analog amplification. In a sensor interface, one amplifier can scale or invert a sensor output while the second channel can provide buffering for an ADC. In an audio preamplifier, the rail-to-rail outputs can support low-amplitude signals when the system operates near the lower supply limit. A primary design consideration is output loading. The stated 2.9 Vpp swing applies to a 100 kΩ load, so heavier loads can reduce usable output range and alter distortion or stability behavior. PCB implementations should keep input and feedback paths short, place compensation or decoupling components close to their associated pins, and provide adequate ground return paths. Engineers should also review the complete manufacturer datasheet for input common-mode limits, output-current capability, noise, bandwidth, and stability requirements. This product overview combines the verified operating envelope, package identity, and application-focused engineering guidance with a side-by-side view of potential replacements. It also highlights where engineers must confirm pin compatibility, load conditions, and lifecycle requirements before approving a substitution or redesigning an existing 8-pin Mini DIP layout.

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TS934ID - 4-Channel 2.7V R-R Micropower Op Amp | STMicroelectronics
TS934ID

TS934ID - 4-Channel 2.7V R-R Micropower Op Amp | STMicroelectronics

The STMicroelectronics TS934ID is a quad, rail-to-rail output, micropower operational amplifier designed for low-voltage signal conditioning and battery-powered systems. It contains four amplifiers in a 14-pin SOIC package, operates from 2.7V to 10V, supports single-supply operation, and is specified for a 100kHz gain-bandwidth product. The device combines a typical 20uA supply current with CMOS inputs, ultra-low input bias current of 1pA, and rail-to-rail output voltage swing. According to the manufacturer datasheet family information, the TS93x series is intended for portable instrumentation, sensor interfaces, and general-purpose analog signal processing. An operational amplifier is an analog integrated circuit that amplifies the voltage difference between its differential inputs while providing high input impedance and low output impedance. The TS934ID belongs to the operational-amplifier hierarchy, which includes general-purpose amplifier ICs, micropower amplifiers, rail-to-rail amplifiers, and CMOS-input analog ICs. Its four integrated channels reduce the number of packages required when several low-frequency signals must be conditioned in the same system. The principal features are the 2.7V minimum supply voltage, 10V maximum supply voltage, 100kHz bandwidth, 0.05V/us slew rate, and approximately 20uA typical supply consumption described for the TS93x family. The output stage can reach 2.9Vpp with a 100kohm load when supplied from 3V, making the amplifier suitable for modest-swing signals in low-voltage systems. CMOS inputs minimize input bias current, which is advantageous when the source impedance is high. The TS934ID is not intended as a high-speed, high-voltage, or precision replacement for every general-purpose quad amplifier. Its 100kHz bandwidth and micropower bias favor portable and instrumentation applications over wideband signal chains. Designers should verify output swing, common-mode range, noise, offset, stability, and load capability against the complete manufacturer datasheet before using it with unusual source impedances, capacitive loads, or rail-to-rail input signals. Typical uses include battery-powered sensor conditioning, portable measurement equipment, industrial transducers, audio and communications interface circuits, and general 3V instrumentation. The 14-SOIC package is suitable for conventional through-hole PCB assembly and automated manufacturing. Because the device is a four-channel amplifier, one package can serve multiple independent amplifier sections in a compact analog front end. A key design consideration is power budgeting. The low supply current supports battery-operated systems, but the output still requires a stable supply and suitable bypass capacitance. The amplifier should be operated within the specified supply range and load conditions, and its output should not be used as a power-stage output. Pin assignments, common-mode behavior, and package details should be taken directly from the STMicroelectronics datasheet and pinout diagram. This page combines verified distributor and manufacturer-linked information, drop-in comparison candidates, pricing fields, application guidance, and practical design notes to support faster component selection and PCB planning.

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TS934IDT - Quad R-R Operational Amplifier | STMicroelectronics
TS934IDT

TS934IDT - Quad R-R Operational Amplifier | STMicroelectronics

STMicroelectronics TS934IDT is a four-circuit, rail-to-rail operational amplifier packaged in a 14-pin small-outline SOIC. It operates from 2.7 V to 10 V, supports a gain-bandwidth product of 100 kHz, and provides an input bias current of 1 pA with a typical channel current of 20 uA. The device is intended for low-power instrumentation, sensor-conditioning, buffer, and general-purpose analog signal-processing circuits. A rail-to-rail operational amplifier is an analog amplifier whose input and output stages can operate near the positive and negative supply rails. It belongs to the operational-amplifier hierarchy, which includes instrumentation amplifiers, buffer amplifiers, general-purpose amplifiers, and analog signal-chain ICs. This broad operating range makes the amplifier useful when signals can approach either supply rail, although actual input and output swing limits remain dependent on load conditions and supply voltage. The TS93x family combines four amplifiers in one package, reducing board area compared with discrete single or dual devices. Key characteristics include 5 mA of current consumption per channel, 55 dB instrumentation-amplifier performance as characterized by the product listing, and approximately 1 pA input bias current. At a 3 V supply, the series can produce a 2.9 Vpp output swing with a 100 kohm load, making it useful in low-voltage, low-power systems. The TS934IDT uses a 14-SO package and is specified for a 2.7 V to 10 V supply range. Its 100 kHz gain-bandwidth product is appropriate for slowly varying sensor signals, feedback-control loops, and analog measurement blocks rather than high-speed waveform or communications channels. Because all four amplifiers share one package, designers must account for common supply routing, thermal behavior, grounding, and channel-to-channel consistency during layout. Typical applications include portable sensor interfaces, low-voltage data acquisition, battery-powered measurement instruments, transducer conditioning, and general analog buffering. Four integrated amplifiers can be assigned to differential sensor inputs, level shifting, active filtering, or gain stages, although applications requiring high precision, high speed, or very low offset voltage should verify those limits against the manufacturer's electrical characteristics. When designing a board around the TS934IDT, place decoupling capacitors close to the supply pins and route the ground return directly to the device ground. Keep sensitive input traces away from switching nodes and high-current return paths. Because the amplifier can operate close to the supply rails, verify the actual input common-mode and output swing limits for the selected supply, load, and temperature before relying on full rail-to-rail behavior. This page organizes the confirmed electrical characteristics, package information, application guidance, design notes, and compatible family references for faster engineering evaluation. It also identifies which parameters require confirmation from the STMicroelectronics datasheet before a production design is released.

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TS934IN - Dual Micropower RRO Op Amp | STMicroelectronics
TS934IN

TS934IN - Dual Micropower RRO Op Amp | STMicroelectronics

The STMicroelectronics TS934IN is a dual, rail-to-rail output, micropower operational amplifier with CMOS inputs, supplied in a 14-pin DIP package. Its key characteristics are low supply current of 20 µA, operation from a 2.7 V single supply up to 10 V, a 100 kHz gain-bandwidth product, and an input bias current as low as 1 pA. The TS934IN is intended for low-voltage, low-power analog signal-conditioning circuits. An operational amplifier is an active analog integrated circuit that uses high open-loop gain to amplify small voltage differences. The TS934IN belongs to the operational-amplifier hierarchy of analog ICs, with rail-to-rail output swing and CMOS input characteristics. Its micropower operating current makes it suitable for battery-powered equipment, portable instruments, sensor interfaces, and low-power control systems where every microamp of supply demand affects battery life. The TS934 family provides rail-to-rail output swing, single-supply operation, CMOS inputs, ultra-low input bias current, and ESD protection. The TS934IN is identified as a general-purpose, two-circuit amplifier in a 14-DIP package. The 100 kHz gain-bandwidth product is appropriate for low-frequency buffering, amplification, filtering, and thresholding rather than high-speed signal processing. Its CMOS input stage is particularly useful when measuring high-impedance sources because input bias current is minimized. The TS934IN can operate from 2.7 V supplies, helping designers reduce the power requirements of portable systems. The manufacturer describes a 2.9 Vpp output swing with a 100 kΩ load when supplied from 2.7 V. This specification should be considered when the signal must approach the supply rails, especially for low-voltage sensor signals where headroom is limited. Typical uses include battery-powered sensor conditioning, portable measurement equipment, audio and control interfaces, low-frequency active filters, and general-purpose dual-amplifier signal paths. Because the device is a dual amplifier, both channels can be used in a single circuit when the application does not require independent supply sequencing. A key design consideration is to verify input common-mode range, output swing, stability, and load behavior against the manufacturer datasheet before using the amplifier near the supply limits. Decoupling capacitors should be placed close to the supply pins, and the unused channel inputs should be configured according to the recommended application circuit. This page combines the TS934IN technical identity with application guidance, comparison criteria, and practical design notes for engineers.

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TS941ID - 2.5-10V Rail-to-Rail Op Amp | STMicroelectronics
TS941ID

TS941ID - 2.5-10V Rail-to-Rail Op Amp | STMicroelectronics

STMicroelectronics TS941ID is a single-circuit, general-purpose operational amplifier featuring a rail-to-rail output, 2.5 V to 10 V supply operation, and an 8-pin SOIC package. The device belongs to the TS94x micropower operational-amplifier family and is designed for instrumentation, signal buffering, and other low-voltage analog signal-chain applications. Its low-noise operation, high input impedance, and approximately 1 pA input-bias current support accurate handling of high-impedance sources while its rail-to-rail output improves dynamic range near the positive and negative supply rails. An operational amplifier, or op amp, is a high-gain differential amplifier used to amplify, buffer, compare, and filter analog signals. The TS941ID sits within the operational-amplifier hierarchy and operates from a 2.5 V to 10 V supply, making it suitable for battery-powered, industrial-control, test-and-measurement, and portable equipment. Its rail-to-rail output stage allows the output voltage to approach the supply limits more closely than a conventional output stage, although the exact output swing and input common-mode behavior must be checked in the manufacturer datasheet for the selected supply voltage. Key features include a single amplifier configuration, rail-to-rail output, low-noise operation, high input impedance, and very low input-bias current of approximately 1 pA. The 2.5 V minimum supply voltage supports compact, low-energy systems, while the 10 V maximum provides compatibility with common industrial and laboratory supply rails. The manufacturer specifies operation over -40 °C to +85 °C, covering industrial temperature requirements without requiring an automotive-qualified variant. The TS941ID is intended for general-purpose precision signal conditioning rather than as a high-speed communications amplifier. Its micropower-oriented design is valuable when battery current is important, but the precise quiescent-current value should be taken from the manufacturer datasheet. The approximately 1 pA input-bias current is particularly useful with high-impedance sensors because it limits the DC current drawn through the source resistance and helps reduce input-offset errors. Typical applications include sensor-signal conditioning, low-current transimpedance buffering, portable instrumentation, industrial measurement, and general analog signal conditioning. In a transimpedance stage, the TS941ID can be paired with a suitable feedback resistor and compensation capacitor while its low input-bias current reduces bias-current-induced error. In instrumentation, it can buffer inputs before a higher-precision converter or provide gain around sensors whose output range does not use the complete supply span. When designing around the TS941ID, verify input common-mode range, output swing, unity-gain stability, noise, slew rate, and quiescent current against the actual load and supply conditions. Place input, feedback, and decoupling connections for low noise and stable feedback operation, and include adequate output-current margin for capacitive or resistive loads. The 8-pin SOIC footprint is convenient for conventional surface-mount assembly but is not as compact as the smallest QFN packages. This product page consolidates the verified manufacturer information, distributor availability references, family-level alternatives, parameter comparisons, and practical design guidance. It distinguishes confirmed TS941ID data from specifications that still require confirmation from the manufacturer datasheet, helping engineers identify the part faster without presenting unverified values as established facts.

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TS942AID - Dual Rail-to-Rail Op Amp, 2.5-10V | STMicroelectronics
TS942AID

TS942AID - Dual Rail-to-Rail Op Amp, 2.5-10V | STMicroelectronics

The STMicroelectronics TS942AID is a dual rail-to-rail operational amplifier designed for general-purpose instrumentation and low-voltage analog signal conditioning. It operates from a 2.5 V to 10 V supply range, is specified over a -40 °C to +85 °C temperature range, and is packaged in an 8-SOIC. The two amplifier channels are intended for applications requiring rail-to-rail output capability, low input bias current, and compact dual-channel implementation. An operational amplifier is an active semiconductor device that uses high open-loop gain to amplify the difference between two input voltages. The TS942 belongs to the STMicroelectronics TS94x family, which is characterized for operation from 2.5 V to 10 V. Rail-to-rail output capability allows the output voltage to approach the supply rails more closely than a conventional fixed-output amplifier, making the device useful in battery-powered, portable, measurement, and signal-conditioning systems. The TS942AID combines two amplifiers in one 8-SOIC package. The verified product information identifies the part as a standard general-purpose dual amplifier with rail-to-rail operation. Its low-power characteristics and 5 mA per channel output-current capability make it suitable for low-voltage analog systems where component count, supply efficiency, and board area are important. The device can be used for sensor interfaces, instrumentation amplifiers, filtering, comparators, and general voltage amplification. The TS942AID is supplied in an 8-SOIC package, providing a standard surface-mount footprint for leaded analog designs. The dual-channel configuration allows independent signal paths to share one package while preserving the familiar operational-amplifier pin arrangement. Because the device is specified down to 2.5 V, it is appropriate for systems using a 3 V or 3.3 V rail, although the exact input and output common-mode limits should be checked in the manufacturer datasheet for the operating condition. For low-voltage designs, pay attention to output swing, input common-mode range, noise, offset voltage, and stability with the selected load. Place bypass capacitors close to the supply pins and route sensitive input signals away from high-current switching paths. The 8-SOIC footprint also makes the TS942AID convenient for designs that need a straightforward replacement footprint rather than a fine-pitch or exposed-pad package. This product page combines the TS942AID manufacturer family information, exact distributor listing details, package identification, application guidance, and a practical comparison with verified drop-in alternatives. It is intended to help engineers evaluate the TS942AID for 2.5 V to 10 V dual rail-to-rail analog designs and identify compatible replacement options.

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TS942ID - Dual Micropower Op Amp | STMicroelectronics
TS942ID

TS942ID - Dual Micropower Op Amp | STMicroelectronics

The STMicroelectronics TS942ID is a dual, rail-to-rail, micropower operational amplifier with two amplifier channels, a 10 kHz gain-bandwidth product, and a 0.0045 V/us slew rate. It operates from a single supply of 2.5 V to 10 V and is packaged in an 8-pin SOIC. Each channel is designed for low-power signal conditioning and general-purpose analog measurements. An operational amplifier, or op amp, is a high-gain differential amplifier used to amplify, buffer, filter, or compare small voltage signals. In the signal-chain hierarchy, the TS942ID belongs to the operational-amplifier family within analog amplifier ICs and power-management systems. Its micropower operating current and rail-to-rail output behavior make it suitable for portable instrumentation, sensor interfaces, and low-voltage analog equipment. The TS942ID provides a supply-current consumption of 1.2 uA and an ultra-low input bias current of 1 pA. These characteristics reduce loading on high-impedance sensors and conserve energy in battery-operated systems. Its output swing is rail-to-rail, while single-supply operation extends to 10 V. The device also includes CMOS inputs, 2 kV ESD protection, and latch-up immunity for improved handling robustness. With a gain-bandwidth product of 10 kHz and a slew rate of 0.0045 V/us, the TS942ID favors precision and low-power operation over wideband performance. The 10 kHz bandwidth is suitable for slow sensor signals, ECG-scale physiological waveforms, precision current measurement, and low-frequency filtering. CMOS input stages support very low bias current, making the amplifier appropriate for high-source-impedance transducers where input loading must remain minimal. Typical uses include portable biomedical instrumentation, low-power sensor conditioning, battery-powered data acquisition, industrial process monitoring, and general-purpose buffering. Two independent channels can process complementary signals or provide simultaneous amplification. Because each channel can also be configured as a comparator-style element with suitable feedback, designers can use the same device for basic threshold and level-detection functions. The principal design consideration is bandwidth. The 10 kHz gain-bandwidth product limits high-gain signal bandwidth, so applications requiring faster edges or wider closed-loop bandwidth should account for the amplifier's finite slew rate. Input and output stability must also be evaluated with the source impedance, load capacitance, supply voltage, and selected feedback network.

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TS942IN - Dual 1.2 µA Rail-to-Rail Op Amp | STMicroelectronics
TS942IN

TS942IN - Dual 1.2 µA Rail-to-Rail Op Amp | STMicroelectronics

STMicroelectronics TS942IN is a dual, rail-to-rail output micropower operational amplifier designed for 2.5 V to 10 V single-supply operation. The device provides two amplifier circuits in an 8-pin Mini DIP package, with a typical micropower consumption of 1.2 µA. Its CMOS inputs feature ultra-low input bias current, while the rail-to-rail output stage supports low-voltage signal conditioning where the output must approach the supply rails. The specified operating temperature range is -40 °C to +85 °C. An operational amplifier is an analog integrated circuit that amplifies the voltage difference between its inverting and non-inverting inputs. The TS94x family belongs to the operational amplifier, analog amplifier, and linear integrated-circuit hierarchy. Operational amplifiers are widely used as voltage followers, buffers, comparators, transimpedance amplifiers, and active analog filters. The TS942IN combines low supply current, single-rail operation, CMOS input characteristics, and rail-to-rail output swing in one low-power analog building block. The 1.2 µA micropower characteristic makes the TS942IN particularly suitable for battery-operated sensors, portable instruments, and low-energy monitoring systems. Its 2.5 V minimum supply voltage allows operation from a single low-voltage cell or regulated rail. Rail-to-rail output swing is valuable in low-voltage systems because it increases usable output range. The low input bias current reduces errors in source impedance-sensitive circuits and minimizes disturbance to high-impedance sensors. The TS942IN uses CMOS input circuitry and is intended for general-purpose low-power analog signal processing. Each amplifier can support common inverting, non-inverting, and voltage-following configurations. Because the output approaches the supply rails, careful load and feedback design remains necessary when the output must achieve accurate levels near either rail. Input common-mode range, output swing, gain-bandwidth behavior, and stability conditions should be taken directly from the manufacturer datasheet when selecting feedback networks. Typical uses include low-frequency sensor conditioning, portable instrumentation, medical monitoring, industrial threshold detection, and energy-efficient data acquisition. In battery-powered equipment, the low supply current reduces the continuous load imposed by the amplifier. In precision measurements, the low input bias current helps preserve the signal from sensors with high source impedance. The device is also useful when one package must provide two matched functional amplifier channels. Designers should verify the permitted input and output ranges at the selected supply voltage, account for input and output capacitance in feedback layouts, and avoid driving a load that exceeds the amplifier's recommended capability. A stable bypass capacitor close to the supply pins and short, direct routing for high-impedance inputs help preserve low-noise and low-power performance. This product page combines the manufacturer specifications, package information, sourcing guidance, functional alternatives, and practical circuit-level considerations for engineers evaluating the TS942IN. It is intended to accelerate part selection while keeping the critical design tradeoffs explicit: low power and low bias current versus the bandwidth, noise, and load capability required by a particular signal chain.

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TS944ID - 4-Channel 10kHz Micropower Op Amp | STMicroelectronics
TS944ID

TS944ID - 4-Channel 10kHz Micropower Op Amp | STMicroelectronics

STMicroelectronics TS944ID is a four-channel general-purpose operational amplifier with rail-to-rail output, a 10 kHz gain-bandwidth product, and approximately 1.2 uA supply current per amplifier. The device is packaged in a 14-pin SOIC and operates from 2.5 V to 10 V across a -40°C to +85°C temperature range. Its four amplifiers make it suitable for compact, low-power analog signal-conditioning systems requiring several amplifier stages in one package. An operational amplifier is an analog integrated circuit that amplifies the voltage difference between its inverting and non-inverting inputs. The TS944ID belongs to the micropower operational-amplifier family within the broader linear-amplifier and signal-conditioning hierarchy. Rail-to-rail output allows the amplifier to approach its supply limits more closely than fixed-output amplifiers, improving output swing in low-voltage systems where signal headroom is limited. The principal benefits of the TS944ID are integration, low power consumption, and rail-to-rail operation. Four amplifiers in one 14-pin SOIC reduce component count and board area compared with four separate single or dual amplifier packages. The 10 kHz gain-bandwidth product is suitable for low-frequency signal conditioning, including sensor buffers, transducer amplification, and general feedback-control networks. Its approximately 1.2 uA supply current is especially useful in battery-powered instrumentation where continuous analog circuitry must consume little power. The TS944ID is designed for general-purpose analog applications rather than high-speed signal processing. Its modest 10 kHz gain-bandwidth product favors slowly changing signals, such as sensor outputs, voltage references, and control-loop error amplifiers. The 2.5 V to 10 V operating range supports low-voltage battery systems, portable instruments, industrial monitoring circuits, and embedded control platforms. The -40°C to +85°C range covers industrial and commercial environments where extended automotive qualification is not required. Typical uses include four-channel sensor acquisition, portable measurement systems, low-frequency active filters, analog signal conditioning, and embedded control interfaces. Using one quad device for similar low-frequency channels can simplify routing and reduce package count. However, all four channels share common supply pins, so they cannot use independent positive and negative supply voltages. Input common-mode and output-swing behavior should also be checked against the actual signal range. When laying out a TS944ID board, place each bypass capacitor close to the device supply pins and keep feedback components near their associated amplifier inputs and outputs. Use short, quiet input paths for sensor signals and provide adequate return paths to minimize ground coupling. Avoid using this micropower amplifier where wide bandwidth, high output-current capability, or precision offset and drift specifications are essential; a higher-bandwidth or more accurate amplifier family will usually provide a better margin. This page combines the verified TS944ID ordering information, package and electrical characteristics, application guidance, pinout, and strict same-footprint replacement analysis. It also identifies where alternative data is unavailable, helping engineers distinguish confirmed device facts from options requiring a separate qualification review.

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TS944IN - 4-Channel 10 kHz Rail-to-Rail Op Amp | STMicroelectronics
TS944IN

TS944IN - 4-Channel 10 kHz Rail-to-Rail Op Amp | STMicroelectronics

The STMicroelectronics TS944IN is a four-circuit, general-purpose operational amplifier with rail-to-rail output, a 10 kHz gain-bandwidth product, and a typical supply current of 1.2 uA per amplifier. It operates from 2.5 V to 10 V over a -40 C to +85 C temperature range and is packaged for through-hole mounting in a 14-DIP package. An operational amplifier, or op amp, is a high-gain analog signal-processing IC used to compare an input with a feedback-defined reference, amplify weak signals, buffer voltage sources, and implement active analog filters. Within the component hierarchy, the TS944IN is a quad operational amplifier, a type of linear amplifier and analog IC intended for low-power signal-conditioning systems. The TS944IN family emphasizes low power consumption and rail-to-rail output operation. Its 10 kHz gain-bandwidth product supports low-frequency amplification and filtering, while the 4.5 mV/us slew rate limits how quickly its output can change. Typical input bias current is 1 pA, which is useful when high-impedance sensors or sensing nodes must not be loaded heavily. The listed typical input offset voltage is 10 mV. STMicroelectronics describes the TS94x family as rail-to-rail micropower operational amplifiers for 2.5 V to 10 V operation. Four amplifiers in one package reduce board area and simplify design for systems that need several independent analog channels. The TS944IN is identified as a general-purpose amplifier and an obsolete catalog item, so lifecycle planning should account for its non-active status. Typical circuit roles include battery-powered sensor interfaces, low-frequency active filters, portable measurement systems, and general-purpose signal conditioning. Because the gain-bandwidth product is only 10 kHz, the device is better suited to slow analog signals than to high-speed waveform or video paths. Its rail-to-rail output also requires careful review of the input common-mode range for each operating condition. Design with the TS944IN using supply bypassing close to the power pins and verify each amplifier's feedback network, output load, input bias requirements, and stable operating gain. Because the input offset voltage can reach 10 mV typ. in the published summary, precision measurements may require calibration, offset correction, or a higher-accuracy amplifier. This page organizes the manufacturer specifications, lifecycle status, sourcing path, and practical application guidance for TS944IN. It also distinguishes genuine same-footprint replacements from different-package family members, helping engineers avoid substitutions that require PCB changes.

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TS944IPT - Quad Rail-to-Rail 1.2µA Op-Amp | STMicroelectronics
TS944IPT

TS944IPT - Quad Rail-to-Rail 1.2µA Op-Amp | STMicroelectronics

The STMicroelectronics TS944IPT is a quad CMOS-input operational amplifier delivering rail-to-rail output swing while consuming only 1.2 µA typical quiescent current per channel, packaged in a 14-pin TSSOP (Tape & Reel). It operates from a single 2.5 V to 10 V supply over the -40 °C to +85 °C industrial temperature range and provides a gain-bandwidth product of 10 kHz, making it ideal for ultra-low-power signal conditioning. An operational amplifier (op-amp) is a high-gain DC-coupled differential amplifier that uses external feedback components to set closed-loop gain, bandwidth, and transfer function. The TS944 belongs to the micropower CMOS op-amp family — a class of linear ICs that prioritize nano- to micro-amp quiescent current draw for battery-powered and energy-harvesting designs. Within the broader semiconductor hierarchy, it sits under: op-amp -> amplifier -> analog IC -> linear IC -> integrated circuit. Key features include four independent op-amp channels in one package, CMOS inputs delivering ultra-low input bias current, rail-to-rail output swing that maximizes dynamic range on low-voltage supplies, and 1.2 µA typical supply current per amplifier that enables years of runtime from small cells. The device is unity-gain stable and supports single-supply operation from 2.5 V to 10 V, simplifying designs that previously needed bipolar ±5 V rails. The TS944 architecture uses a CMOS input stage that achieves very low bias current while the class-AB output stage swings to within millivolts of both supply rails. This combination eliminates the need for input bias-current compensation in high-impedance sensor interfaces and lets designers operate the part directly from a single lithium cell or 3.3 V digital rail without sacrificing headroom. Typical applications include battery-powered sensor signal conditioning, portable medical monitors, IoT edge nodes, active filters, transducer pre-amplifiers, and any micropower analog front end where four amplifiers must fit in a small 14-pin TSSOP footprint. Designers should bypass supplies with 100 nF ceramic capacitors placed within 5 mm of VCC and avoid capacitive loads above 1 nF without an isolation resistor to prevent oscillation.

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TS951ID - 3MHz Rail-to-Rail Low-Power Op Amp | STMicroelectronics
TS951ID

TS951ID - 3MHz Rail-to-Rail Low-Power Op Amp | STMicroelectronics

STMicroelectronics TS951ID is a single-amplifier, input/output rail-to-rail BiCMOS operational amplifier optimized for 3 V and 5 V operation, with a maximum operating supply voltage of 12 V and operation from the negative rail to the positive rail at input and output. The device is packaged in an 8-pin SOIC and provides approximately 3 MHz gain-bandwidth product, 1 V/µs slew rate, and 80 dB supply-voltage rejection ratio. Its low-power design targets portable instrumentation, sensor interfaces, audio signal conditioning, and general-purpose analog systems. An operational amplifier is an analog integrated circuit that amplifies the voltage difference between its inverting and non-inverting inputs while offering high input impedance, low output impedance, and stable closed-loop behavior when feedback is applied. The TS951 belongs to the operational-amplifier hierarchy, where its BiCMOS input stage combines bipolar transistor performance with CMOS power efficiency. Rail-to-rail input and output operation extends useful signal range toward the supply rails, making the amplifier practical in low-voltage systems that cannot tolerate substantial headroom loss. Key benefits include 3 MHz gain-bandwidth product for modest-frequency signal paths, 1 V/µs slew rate for faster large-signal transitions, and 80 dB supply rejection for reducing supply ripple that could otherwise modulate the amplified signal. The low-power operating approach is useful in portable equipment where energy efficiency and reduced heat generation are priorities. ESD protection rated at 2 kV adds handling robustness, while the compact SOIC-8 package supports conventional surface-mount assembly. The BiCMOS architecture is appropriate for precision and general-purpose analog blocks where low quiescent consumption and rail-to-rail signal handling are more important than high-speed performance. Because this amplifier is intended for low-power rather than high-bandwidth signal chains, applications normally use moderate feedback resistors, explicit gain-setting resistors, and stable output-loading arrangements. Its broad supply capability also permits operation from 3 V and 5 V rails, although each operating point should be checked against the complete electrical limits in the manufacturer datasheet. Typical applications include low-voltage sensor conditioning, buffered analog measurements, portable audio paths, general-purpose instrumentation, and interface buffering around higher-impedance sensors. It can also support low-frequency control or active-filter stages where the 3 MHz gain-bandwidth product provides useful bandwidth margin. In these systems, TS951ID can reduce the loading imposed on the sensor source while maintaining an output signal referenced to the available supply range. Designers should verify input common-mode range, output swing, output-current capability, noise, and stability at the intended frequency before committing the device to a new layout. Decoupling capacitors should be placed close to the supply pins, and sensitive analog inputs should be routed away from switching nodes and high-current return paths. The input and feedback networks must also avoid excessive source resistance or capacitance that could impair stability. This product data combines the verified STMicroelectronics family description, manufacturer datasheet, and distributor listings with practical guidance for package selection, sourcing, and analog layout. It also distinguishes electrically related family members from true drop-in choices and identifies unavailable pricing and lifecycle information rather than presenting unverified commercial figures.

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TS951IDT - 3 MHz Rail-to-Rail Op Amp | STMicroelectronics
TS951IDT

TS951IDT - 3 MHz Rail-to-Rail Op Amp | STMicroelectronics

The STMicroelectronics TS951IDT is a single-circuit, rail-to-rail input/output low-power operational amplifier with a 3 MHz gain-bandwidth product, 1 V/us slew rate, and operation from 2.7 V to 12 V in an 8-pin SOIC package. Designed for instrumentation, buffer, and general-purpose signal-conditioning applications, it combines 750 uA quiescent current with rail-to-rail input and output capability. An operational amplifier, commonly called an op amp, is an active semiconductor component that amplifies the voltage difference between its two inputs. A rail-to-rail input stage accepts common-mode voltages close to either supply rail, while a rail-to-rail output stage can approach the output limits more closely than a conventional amplifier. The TS951IDT belongs to the general-purpose operational-amplifier hierarchy and is suitable for low-voltage analog systems that require useful signal range, moderate bandwidth, and low standby current. Key characteristics include a 3 MHz gain-bandwidth product, 1 V/us slew rate, approximately 750 uA quiescent current, and a 2.7 V to 12 V supply range. These attributes suit low-power sensor conditioning, buffered instrumentation, audio signal paths, and general analog signal processing. Rail-to-rail input and output operation is particularly useful when signals approach the supply limits or when the amplifier must drive loads with limited voltage headroom. The TS951IDT uses a BiCMOS operational-amplifier architecture optimized for 3 V and 5 V operation. Its moderate 3 MHz bandwidth provides adequate response for general-purpose signal conditioning without the power and cost of a high-speed amplifier. The 1 V/us slew rate supports noncritical pulse and waveform applications, while the low quiescent current helps conserve energy in portable and battery-powered equipment. Exact offset, noise, output-current, and temperature data must be confirmed in the manufacturer datasheet. Typical uses include sensor-signal conditioning, analog instrumentation, voltage buffering, audio preamplification, and low-voltage control systems. The TS951IDT can also serve as the active element in passive or active filter designs when component tolerances and loop-gain requirements permit. In portable equipment, its low quiescent current is advantageous, although input bias current and overall system demand should be evaluated before battery-life calculations. For PCB design, place input, output, and decoupling components close to the SOIC pins. Keep sensitive input traces away from switching nodes and high-current return paths, and use a ground plane that provides a low-impedance return for the amplifier. Bypass the supply pins locally with suitable ceramic capacitance and account for amplifier output loading, stability, and input common-mode limits during schematic review. This product page combines the TS951IDT electrical identity, package information, sourcing guidance, application analysis, design guidance, and verified replacement search results. It is intended to help engineers identify whether the TS951IDT matches the required bandwidth, supply voltage, package, and low-power characteristics before committing it to a design.

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TS951IN - 3MHz Rail-to-Rail Op Amp | STMicroelectronics
TS951IN

TS951IN - 3MHz Rail-to-Rail Op Amp | STMicroelectronics

STMicroelectronics TS951IN is a single-circuit, general-purpose BiCMOS operational amplifier featuring a 3 MHz gain-bandwidth product, a 1 V/µs slew rate, and input/output rail-to-rail operation in an 8-DIP package. The amplifier is optimized for 3 V and 5 V operation and can also operate from a supply as high as 12 V. Its low-power design consumes approximately 0.9 mA when operated from a 3 V supply, making it suitable for portable, instrumentation, sensor, and general analog signal-conditioning systems. An operational amplifier is an active analog component that amplifies the difference between its inverting and non-inverting inputs. The TS951IN belongs to the rail-to-rail operational-amplifier category and uses a BiCMOS process that combines CMOS input characteristics with bipolar output-drive capability. Rail-to-rail input common-mode range allows the amplifier to sense signals near the positive and negative supply rails, while rail-to-rail output swing improves dynamic range when the available supply voltage is limited. Key electrical characteristics include a 3 MHz gain-bandwidth product, 1 V/µs slew rate, and approximately 0.9 mA supply current at 3 V. The 3 MHz bandwidth provides useful speed for audio-frequency buffers, general-purpose signal amplification, active filters, and sensor interfaces, while the 1 V/µs slew rate permits relatively rapid output transitions. The 8-DIP package supports straightforward through-hole assembly and is suitable for prototypes, educational platforms, and applications where a larger package is acceptable. The TS951IN is built for general-purpose precision and moderate-speed analog work. Its single-amplifier configuration simplifies designs that require one independent signal path, while the low-power operating mode can reduce total system consumption in battery-powered equipment. Because a bipolar output stage is present, careful assessment of output-current capability, capacitive-load stability, and operating temperature is appropriate before assigning it to demanding loads. Typical applications include low-frequency audio buffer stages, sensor-signal conditioning, active filters, data-acquisition front ends, portable instrumentation, and general analog signal conditioning. The rail-to-rail input capability is especially useful when sensor outputs can approach either supply rail. The rail-to-rail output stage is beneficial in low-voltage systems where a conventional amplifier would clip before approaching the available output range. When designing with the TS951IN, keep feedback routing short, place compensation and decoupling components close to the device, and verify stability with the actual source impedance and load. Connect the unused input to a defined reference potential, normally the non-inverting input or a mid-supply bias point. Do not substitute a modern CMOS or rail-to-rail amplifier without checking input offset, bias-current, noise, output-drive, and supply-current differences. This page combines manufacturer family information, distributor identification, package information, and practical design guidance with a parameter comparison against same-package family alternatives. It also distinguishes the TS951IN from the TS952 and TS954 family members, whose electrical characteristics must be checked against the manufacturer datasheet before making a board-level substitution.

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TS952ID - Dual 3MHz Rail-to-Rail Op Amp | STMicroelectronics
TS952ID

TS952ID - Dual 3MHz Rail-to-Rail Op Amp | STMicroelectronics

STMicroelectronics TS952ID is a dual, input/output rail-to-rail BiCMOS operational amplifier with a 3 MHz gain-bandwidth product, 1 V/us slew rate, and operation from 2.7 V to 12 V in an 8-pin SOIC package. It is optimized and specified for both 3 V and 5 V supply rails, making it suitable for low-voltage analog systems that require an amplifier to approach its supply limits at the input and output. An operational amplifier, or op amp, is a high-gain analog building block used in amplification, buffering, filtering, sensing, and feedback-control circuits. The TS952 belongs to the rail-to-rail op-amp category within the broader amplifier IC and signal-chain hierarchy. Rail-to-rail input and output behavior allows signals near either supply rail to be processed with less conventional headroom loss than a fixed-input amplifier. The TS952ID provides two amplifier circuits, a 3 MHz bandwidth, and a 1 V/us slew rate. According to the STMicroelectronics TS952 product-page data, the device is optimized for 3 V and 5 V operation. Other identified features include an 80 dB supply-voltage rejection ratio, 2 kV ESD protection, and low-power operation. These characteristics make the part applicable to low-voltage sensor conditioning, portable instrumentation, audio input stages, and general-purpose analog signal processing. The BiCMOS architecture combines bipolar input-stage behavior with CMOS output circuitry and is intended to balance low-voltage operation, amplifier performance, and power efficiency. Because the TS952 is a dual device, two independent amplifier channels can share one package. The 8-pin SOIC outline also supports conventional surface-mount assembly, although final stability, bandwidth, and output-current behavior must be evaluated at the intended supply voltage and load. Typical uses include battery-powered sensor interfaces, buffered analog inputs, portable measurement systems, audio preamplification, and low-voltage control loops. At 3 V, the device is aligned with compact battery-operated systems; at 5 V, it provides additional signal range for industrial and consumer analog circuits. The 3 MHz bandwidth is sufficient for many general-purpose conditioning stages but is not intended for high-speed video or precision wideband instrumentation without further analysis. When designing around the TS952ID, verify input and output common-mode limits, output swing, load capability, noise, offset, and stability for the selected supply voltage. Decoupling capacitors should be placed close to the supply pins, and sensitive input traces should remain short and away from switching nodes. Feedback components should follow the manufacturer recommendations because gain-bandwidth, input capacitance, and capacitive loading can affect closed-loop behavior. This product record combines the verified STMicroelectronics family description, distributor package information, operating range, bandwidth, slew rate, rejection, and ESD information with practical selection guidance. It also distinguishes verified facts from specifications that still require confirmation from the complete manufacturer datasheet, avoiding unsupported claims about electrical limits or replacement parts.

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TS952IN - Dual 3MHz Rail-to-Rail Op Amp | STMicroelectronics
TS952IN

TS952IN - Dual 3MHz Rail-to-Rail Op Amp | STMicroelectronics

The STMicroelectronics TS952IN is a dual, low-power operational amplifier with input and output rail-to-rail capability, a 3 MHz gain-bandwidth product, and a 1 V/us slew rate. It operates from 2.7 V to 12 V and is packaged in an 8-pin Mini DIP. The device belongs to the TS95x family, whose BiCMOS architecture is optimized and fully specified for 3 V and 5 V operation. An operational amplifier is a voltage-controlled differential amplifier that can amplify the difference between two input voltages while providing high open-loop gain. The TS952IN contains two independent amplifier channels in one package. Rail-to-rail input operation lets each channel accept signals close to the positive or negative supply rail, while rail-to-rail output operation allows the output voltage to approach either supply limit. These characteristics make the device useful for portable instrumentation, sensor interfaces, audio paths, and low-voltage control systems. The 3 MHz gain-bandwidth product supports useful bandwidth in low-voltage signal chains without requiring a high-speed amplifier operating from a larger supply. The 1 V/us slew rate helps limit large-signal distortion when signals change quickly. Because the TS95x family is designed for low-power operation, the TS952IN is also appropriate for battery-powered equipment where a pair of independent amplifiers is useful without using two separate packages. The device is specified for a 2.7 V to 12 V supply range, with its family optimized for 3 V and 5 V systems. At low supply voltages, rail-to-rail behavior becomes especially valuable because it increases the usable input and output range relative to conventional fixed-output amplifiers. Designers should still verify the actual output swing, input common-mode range, noise, input bias current, output-current capability, and stability requirements against the manufacturer datasheet for the operating point of interest. Typical applications include buffering sensor outputs, amplifying low-level analog signals, active filtering, audio preamplification, and general-purpose signal conditioning. In a sensor interface, one channel can amplify the sensor signal while the other can provide buffering, gain, or a reference-related function. Supply bypassing, output-load compatibility, and stability with the selected feedback network are important implementation considerations for this general-purpose dual amplifier. This product page combines the verified TS952IN operating characteristics, package information, drop-in replacement findings, application guidance, and practical design notes. It is intended to help engineers identify the correct amplifier quickly, compare pin-compatible choices, and plan PCB and signal-chain changes before releasing a new design.

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TS952IPT - Dual Low-Power Rail-to-Rail Amplifier | ST
TS952IPT

TS952IPT - Dual Low-Power Rail-to-Rail Amplifier | ST

The STMicroelectronics TS952IPT is a dual, low-power operational amplifier with rail-to-rail input and rail-to-rail output capability, 35 nA input bias current, 1 V/us slew rate, 3 MHz gain-bandwidth product, and 6 mV input offset voltage in an 8-pin TSSOP package. Designed for 3 V and 5 V systems, it combines two amplifier channels in one compact surface-mount package. An operational amplifier is a high-gain analog signal-processing component that compares its differential input with a feedback-defined reference and amplifies the resulting error. The TS952IPT belongs to the rail-to-rail input/output amplifier class, allowing its input and output stages to operate close to the supply rails. This makes it useful in portable instruments, sensor interfaces, battery-powered equipment, and low-voltage industrial control systems where signal headroom is limited. Key characteristics include a low 35 nA input bias current, which reduces loading on high-impedance sources, and a 3 MHz gain-bandwidth product that supports moderate-speed signal paths. Its 1 V/us slew rate improves large-signal response, while rail-to-rail input and output stages increase usable signal range in single-supply systems. The dual configuration also reduces board area by integrating two amplifiers into one package. The TS952IPT uses a low-power BiCMOS operational-amplifier architecture. The architecture combines bipolar input behavior with CMOS-compatible output drive and low-power operation. In practical circuits, input common-mode range, output swing, output-current capability, noise, and stability with the selected feedback network determine whether it is suitable for a particular precision or signal-conditioning stage. Typical applications include low-voltage sensor amplification, photodiode-biased readout stages, portable measurement equipment, audio signal conditioning, general-purpose buffer circuits, and industrial control interfaces. The 3 V and 5 V operating environments align the device with battery-powered products, data-acquisition modules, embedded systems, and compact instrumentation. When designing a PCB around the TS952IPT, follow the manufacturer datasheet for decoupling, exposed pad or thermal guidance, input capacitance, and output-load limitations. Place the input and output bypass capacitors close to their associated pins, maintain short feedback paths, and verify stability with the actual source impedance and capacitive load. This product page combines the TS952IPT technical characteristics, sourcing information, package guidance, practical application notes, and replacement analysis. It is designed to help engineers identify the correct low-power amplifier and plan a robust implementation without changing the established 8-pin TSSOP footprint.

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TS954ID - Quad 3MHz R-to-R Op Amp | STMicroelectronics
TS954ID

TS954ID - Quad 3MHz R-to-R Op Amp | STMicroelectronics

The STMicroelectronics TS954ID is a quad rail-to-rail BiCMOS operational amplifier optimized for 3 V and 5 V operation, with a 3 MHz gain-bandwidth product and 1 V/µs slew rate in a 14-pin SOIC package. The four amplifiers support supply voltages from 2.7 V to 12 V and combine low-power operation with low input bias current. An operational amplifier is an analog integrated circuit that amplifies the voltage difference between its non-inverting and inverting inputs. A rail-to-rail output amplifier can approach the supply rails at its output, making it useful when the available signal range is small. The TS954 belongs to the amplifier IC hierarchy, where operational amplifiers are used for signal conditioning, buffering, active filtering, comparisons, and analog sensor interfaces. The TS954 family provides four amplifiers per package, a 3 MHz gain-bandwidth product, and a 1 V/µs slew rate. Its input bias current is 35 nA, while the listed supply current is 950 µA per channel. These characteristics make it suitable for general-purpose signal conditioning operating from 2.7 V to 12 V, including low-voltage analog systems and battery-powered equipment. The device uses a BiCMOS input architecture combining bipolar and CMOS process characteristics. Its rail-to-rail output stage allows useful output swing near the supply limits, while the low 35 nA input bias current reduces current errors when driving high-impedance sources. The 3 MHz bandwidth is adequate for audio-frequency and general instrumentation tasks, whereas applications requiring substantially faster closed-loop settling should use a higher-bandwidth amplifier. Typical uses include low-level sensor amplification, active analog filters, audio signal conditioning, instrumentation, and four-channel buffering. The SOIC-14 package permits conventional surface-mount assembly and provides one amplifier per two package pins. Its quad configuration can also reduce board area compared with four separate single or dual amplifier packages when all four channels are required. Designers should verify the required output swing, load impedance, input common-mode range, noise performance, and stability against the manufacturer datasheet before finalizing a circuit. Decoupling capacitors should be placed close to the supply pins, and unused amplifier inputs should be biased according to the manufacturer recommendations so that input and output stages remain in their intended operating regions. This page consolidates verified manufacturer and distributor information for the TS954ID, including the 3 MHz bandwidth, 1 V/µs slew rate, 2.7 V to 12 V supply range, 14-pin SOIC format, sourcing links, and the engineering trade-offs that distinguish a low-power quad amplifier from faster or more specialized alternatives.

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TS954IN - 3MHz Quad Rail-to-Rail Op Amp | STMicroelectronics
TS954IN

TS954IN - 3MHz Quad Rail-to-Rail Op Amp | STMicroelectronics

The STMicroelectronics TS954IN is a quad input/output rail-to-rail low-power BiCMOS operational amplifier optimized for 3V and 5V operation. Its four amplifiers, 3 MHz gain-bandwidth product, 1 V/us slew rate, and 14-DIP package make it suitable for compact analog signal-conditioning systems requiring low-voltage supply operation. The input and output stages support rail-to-rail signal handling, while the 80 dB supply-voltage rejection specification helps suppress supply-related signal distortion. An operational amplifier is an active semiconductor device that amplifies the voltage difference between its differential inputs. Rail-to-rail input capability means the input common-mode range can extend toward both supply rails, while rail-to-rail output capability allows the output voltage to approach the operating limits more closely than a conventional non-rail-to-rail amplifier. The TS954IN belongs to the TS95x family of low-power BiCMOS operational amplifiers optimized for single-supply systems. Key characteristics include four amplifier channels in one package, a 3 MHz gain-bandwidth product, and a 1 V/us slew rate. These specifications support applications such as sensor interfaces, buffered analog signals, low-voltage instrumentation, audio paths, and general-purpose analog conditioning. The TS954IN is also identified as ESD protected to 2 kV and includes latch-up protection according to the manufacturer datasheet information. The BiCMOS architecture combines bipolar input characteristics with CMOS power-handling behavior. This implementation supports low-power operation while maintaining a useful small-signal bandwidth for sensor, filtering, and signal-buffer circuits. At a 3V supply, the family is specifically optimized for low-power consumption, which makes it relevant to portable equipment and embedded analog systems that cannot justify a higher-power precision amplifier. Typical uses include buffering sensor outputs, amplifying low-level analog signals, active filtering, level shifting, audio preamplification, and instrumentation. The quad organization reduces package count when several independent analog channels are required. Designers should still evaluate input offset voltage, input bias current, output-current capability, noise, and stability for the exact gain, load, and supply conditions before finalizing a circuit. The principal design consideration is operating margin. Rail-to-rail inputs and outputs do not remove the requirement to maintain adequate input and output voltage limits, especially under load. Decoupling capacitors should be placed close to the supply pins, and feedback networks should be designed to preserve the intended closed-loop gain while avoiding output saturation. This product page combines the manufacturer family description with practical application guidance, parameter comparison, and pin-package considerations. It is intended to help engineers determine whether the TS954IN's four-channel 3V/5V rail-to-rail architecture fits a board-level design before consulting the complete manufacturer datasheet for limit values and test conditions.

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TS971ID - 12MHz Low-Noise Rail-to-Rail Op Amp | STMicroelectronics
TS971ID

TS971ID - 12MHz Low-Noise Rail-to-Rail Op Amp | STMicroelectronics

The STMicroelectronics TS971ID is a single, rail-to-rail output operational amplifier with 12 MHz gain-bandwidth product, 4 V/µs slew rate, 4 nV/√Hz input-noise density, and 0.003% ultra-low distortion. The device operates from 2.7 V to 10 V and is supplied in an 8-pin SOIC package. Its combination of low noise, high gain bandwidth, rail-to-rail output swing, and wide supply range makes it suitable for portable audio, instrumentation, sensor conditioning, and general-purpose signal-processing circuits. An operational amplifier is an analog integrated circuit that amplifies the difference between two input voltages. The TS971ID belongs to the operational-amplifier hierarchy within analog and mixed-signal ICs. Rail-to-rail output means the output can swing close to either supply rail, improving usable output range in low-voltage systems. The single-amplifier configuration also keeps the package compact for cost-sensitive designs requiring one precision analog channel. The principal performance features include 12 MHz gain bandwidth and a 4 V/µs slew rate, allowing the amplifier to process relatively fast signals without excessive settling limitations. Input-noise density is specified at 4 nV/√Hz, and the listed distortion is 0.003%. According to the STMicroelectronics product family information, TS97x devices can operate with supply voltages as low as ±1.35 V and are intended for portable and battery-powered equipment. The TS971ID combines rail-to-rail output operation with low-noise and low-distortion behavior. ESD protection is listed at 2 kV, while latch-up immunity is identified as Class A. These characteristics are particularly useful when a circuit must preserve small-signal information while operating from a constrained supply. The amplifier's 2.7 V to 10 V operating range supports conventional 3.3 V, 5 V, and up-to-10 V system rails. Typical uses include microphone and line-level audio preamplification, portable measurement equipment, low-level sensor interfaces, active filters, and buffered sensor outputs. In an audio preamplifier, the 4 nV/√Hz noise density helps limit the amplifier's contribution to the system noise floor. In instrumentation, the 12 MHz bandwidth provides useful signal range, while the 0.003% distortion specification supports high-fidelity signal paths. When designing a TS971ID circuit, verify the input and output common-mode limits, operating-voltage range, output-current capability, and stability requirements against the manufacturer datasheet. Place input, output, and compensation-network components close to the device, and use a suitable output-load arrangement. Because the verified search results do not provide a public price or a complete manufacturer pin table, those details are not inferred here.

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TS972ID - 12 MHz Dual Rail-to-Rail Low-Noise Op Amp | STMicroelectronics
TS972ID

TS972ID - 12 MHz Dual Rail-to-Rail Low-Noise Op Amp | STMicroelectronics

STMicroelectronics TS972ID is a dual, output rail-to-rail, very-low-noise operational amplifier with 12 MHz gain-bandwidth product, 4 V/us slew rate, and operation from 2.7 V to 10 V in an 8-pin SOIC package. Its principal characteristics are 4 nV/Hz noise density, 0.003% distortion, and the ability to operate with supply voltages as low as ±1.35 V. These ratings position the TS972ID as a precision amplifier for portable, battery-powered, audio-preamplifier, and low-noise signal-conditioning systems. An operational amplifier, or op amp, is a high-gain differential amplifier whose feedback network determines its closed-loop behavior. Within the integrated-circuit hierarchy, the TS972ID belongs to the operational-amplifier class, amplifier IC category, and broader analog and mixed-signal semiconductor family. Rail-to-rail output capability lets its output approach the supply rails more closely than a conventional amplifier, improving usable output swing in compact low-voltage systems. The TS972ID combines three defining benefits: 12 MHz gain-bandwidth product for moderate-frequency amplification, 4 V/us slew rate for faster signal transitions, and 4 nV/Hz input-voltage noise for low-noise operation. A 0.003% distortion figure further supports high-fidelity signal paths. The dual configuration provides two amplifiers in one 8-pin SOIC, reducing board area compared with two separate single-channel packages. Its low-voltage operating range and rail-to-rail output architecture suit systems that cannot tolerate the headroom required by conventional amplifiers. The 2.7 V to 10 V supply specification permits operation from a single 3.3 V rail, dual ±2.5 V rails, or other compatible supplies. The manufacturer description specifically identifies portable and battery-powered equipment as suitable markets, while the noise and distortion specifications make audio preamplification a natural fit. Typical uses include portable audio preamplifiers, low-noise sensor conditioning, microphone stages, active filters, and buffered sensor outputs. Two amplifiers in one package can implement dual signal channels, instrumentation front ends, or complementary gain stages when their independent inputs and outputs are required. Care is still necessary when driving capacitive loads, observing output-current limits, and controlling stability around the amplifier and feedback network. The primary design consideration is stable implementation of the intended gain. Input and feedback resistances should be selected consistently with the 12 MHz bandwidth and noise target, while board layout should minimize parasitic capacitance and feedback-loop coupling. Decoupling capacitors should be placed close to the supply pins, and unused amplifier channels should be configured according to the manufacturer guidance rather than left floating. This page consolidates the verified TS972ID operating limits, source references, and same-family alternatives with practical selection and layout guidance. It distinguishes documented facts from parameters requiring confirmation, making the result more useful for PCB compatibility reviews, sourcing, and amplifier design decisions.

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TS972IN - Dual Low-Noise R2R Op Amp | STMicroelectronics
TS972IN

TS972IN - Dual Low-Noise R2R Op Amp | STMicroelectronics

STMicroelectronics TS972IN is a dual operational amplifier with rail-to-rail output swing, very low noise of 4 nV/Hz, 12 MHz gain-bandwidth product, and 4 V/us slew rate. The device operates from dual supplies as low as ±1.35 V and is packaged for through-hole assembly in an 8-DIP package with 7.62 mm pin spacing. It is designed for signal conditioning applications where low-noise amplification, low distortion, and rail-to-rail output swing are important. An operational amplifier is an analog semiconductor that amplifies the voltage difference between its two inputs while using negative feedback to establish gain and bandwidth. The TS972IN belongs to the operational-amplifier hierarchy within analog ICs and interface signal-conditioning components. Its dual-circuit configuration provides two independent amplifiers in one package, reducing board area in audio, instrumentation, sensor, and portable-equipment designs. The TS972IN combines several performance characteristics suited to precision signal chains. Its 4 nV/Hz noise density supports low-noise preamplification, while its maximum distortion of 0.003% is useful in audio and measurement paths. A 12 MHz gain-bandwidth product supports wider-band signal amplification, and the 4 V/us slew rate improves large-signal response. Rail-to-rail output swing allows the output to approach the supply rails more closely than a conventional non-rail-to-rail amplifier. The TS97x family supports operation from voltages as low as ±1.35 V, making the TS972IN suitable for battery-powered and portable systems. Its specified operating range extends to 10 V. The device also includes 2 kV ESD protection and Class A latch-up immunity, helping improve interface robustness in sensitive applications. The dual amplifier uses an 8-DIP package for conventional PCB through-hole assembly. Typical uses include audio preamplification, portable instrumentation, low-level sensor conditioning, active filtering, and general-purpose analog signal conditioning. Two amplifiers in one package are especially useful for balanced differential stages, buffer stages, or paired gain blocks where matching and board-space efficiency are beneficial. Its rail-to-rail output also makes it suitable for systems whose signal range approaches the available supply voltage. When designing a circuit, verify input and output common-mode limits, output-current demand, output swing, and stability with the selected feedback network. Place input and output decoupling close to the relevant pins, route sensitive input traces away from switching nodes, and use short ground paths to minimize parasitic feedback. The 8-DIP package is convenient for prototype and legacy through-hole assemblies but requires more board area than an equivalent surface-mount package. This product page combines the TS972IN electrical characteristics, application guidance, drop-in alternatives, and design considerations needed to evaluate the amplifier for a new analog circuit. It also highlights the trade-offs among verified same-footprint alternatives without confusing package compatibility with merely similar functionality.

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TS972IQT - Dual 12MHz Low-Noise Op Amp | STMicroelectronics
TS972IQT

TS972IQT - Dual 12MHz Low-Noise Op Amp | STMicroelectronics

The STMicroelectronics TS972IQT is a dual, general-purpose operational amplifier designed for low-noise, rail-to-rail signal processing. It provides two amplifier circuits, a 12 MHz gain-bandwidth product, and operation from 2.7 V to 10 V in an 8-pin DFN package measuring 3 x 3 mm. Its rail-to-rail output supports portable, battery-powered, instrumentation, audio, and sensor-conditioning applications where the required output can approach the supply rails. An operational amplifier is a high-gain analog building block used to amplify small voltage signals, buffer sensors, perform active filtering, and provide feedback control. The TS972 belongs to the operational-amplifier hierarchy, which includes general-purpose amplifiers, rail-to-rail input/output amplifiers, and low-noise instrumentation amplifiers. Its dual-channel configuration reduces the component count in stereo, differential, and multi-signal circuits while preserving matched performance within one package. The principal features of the TS972IQT include two amplifier channels, rail-to-rail output operation, low-noise performance suitable for audio preamplification, and a 12 MHz gain-bandwidth product. The 2.7 V minimum operating voltage makes it suitable for low-energy systems powered from a single lithium-cell range or a regulated 3.3 V rail. The small 8-DFN package also allows placement close to analog sensors, reducing sensitive-signal trace length and conserving board area. Its 12 MHz bandwidth is particularly useful when moderate-frequency closed-loop gain is required for audio buffers, active filters, and sensor interfaces. Low noise and low distortion characteristics make the amplifier appropriate for portable and battery-supplied equipment. Because the device is not limited to a high-voltage industrial rail, designers can use one amplifier family across 3 V, 3.3 V, and 5 V systems without changing the package footprint. Typical applications include microphone and line-level audio preamplification, low-voltage sensor conditioning, precision current-to-voltage conversion, active filters, and portable measurement equipment. Two independent channels can also implement differential buffering, dual-axis sensor interfaces, or stereo signal paths. The exposed-pad package can improve heat dissipation when either amplifier operates near its output-current limit, although normal signal operation generally produces modest dissipation. When laying out a board, place input and output decoupling close to the appropriate device pins and keep sensitive input traces away from switching nodes and high-current return paths. Verify the operating voltage, output swing, load, and stability requirements against the actual signal amplitude and frequency. The manufacturer datasheet should be used for the complete pin description, electrical limits, exposed-pad connection, and recommended layout. This product page combines the exact catalog identity, verified distributor references, application guidance, and drop-in replacement analysis for engineers evaluating the TS972IQT. It also identifies where an equivalent package and electrical match can be confirmed, helping design teams avoid assuming that a similar amplifier is electrically or mechanically interchangeable.

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