Circuitos integrados

TS556CN

TS556CN - Dual 2.7MHz CMOS Timer | STMicroelectronics

The STMicroelectronics TS556CN is a dual low-power CMOS timer with two independent 555-compatible timing sections, a maximum astable frequency of 2.7 MHz, and a 14-DIP package. Its verified supply-voltage range is 2 V to 16 V, while one secondary result describes the family operating to 18 V; the exact maximum for this orderable device must therefore be confirmed from its datasheet before use. The TS556CN provides 180 µA typical supply current at 3 V and is designed for accurate monostable and astable operation. A CMOS timer is a programmable time-delay and oscillator integrated circuit. It belongs to the timer/oscillator category, within clock and timing ICs and broader semiconductor devices. Each timer section uses external resistors and capacitors to set delay or oscillation behavior, making this device useful where conventional 555-type timing, pulse generation, delay, and repetitive switching are required without a microcontroller. Key verified attributes include dual-timer construction, operation from 2 V to 16 V, a high maximum astable frequency of 2.7 MHz, and pin-to-pin and functional compatibility with bipolar NE556 devices. Reduced supply-current spikes during output transitions can permit lower decoupling capacitance than a conventional bipolar implementation. The stated 180 µA typical current at 3 V supports battery-conscious designs, although load and switching conditions must be checked against the datasheet. The TS556CN uses CMOS circuitry to combine low quiescent consumption with higher timer frequency than the bipolar NE556 comparison cited in the search data. That comparison reports 2.7 MHz maximum frequency for TS556 versus 0.1 MHz for NE556. However, actual operating frequency depends on timing resistors, capacitors, propagation delays, output loading, and supply voltage, so high-frequency layouts require short traces and careful grounding. Typical uses include LED and lamp flashers, pulse generators, delay stages, debounce or retriggerable timing networks, simple oscillators, industrial control timers, and low-power instrumentation. The 14-DIP through-hole package favors prototypes, educational designs, repairable assemblies, and human-built electronics where a socketed or perforated-board implementation is practical. Design with the two timer sections independently unless datasheet pin behavior explicitly permits shared connections. Place timing components close to their associated pins, bypass the supply near the device, and account for output-current limits and threshold tolerances. Because the web evidence provides conflicting voltage-range wording, use the 2 V to 16 V range for this listing and verify absolute maximum and operating limits before releasing production hardware. This page combines verified distributor and datasheet findings, package-aware replacement analysis, and practical timer-circuit guidance. It also distinguishes documented TS556CN data from specifications that were not supplied, avoiding unsupported claims about pricing, lifecycle, compliance, or exact pin assignments.

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TS556ID

TS556ID - Dual 2.7MHz CMOS Timer | STMicroelectronics

The STMicroelectronics TS556ID is a dual CMOS 555-type timer and oscillator with two independent timing sections, operation from 2 V to 16 V, a maximum astable frequency of 2.7 MHz, and typical supply current of 220 µA at 5 V. It is supplied in a 14-pin SOIC package. The TS556ID combines 555 timer compatibility with CMOS power efficiency and higher timing frequency than the traditional bipolar NE556. A 555-type timer is a programmable clock and timing semiconductor that can operate as a monostable one-shot or astable oscillator. In system hierarchy, the TS556ID belongs to clock and timing ICs, timer ICs, oscillators, and semiconductors. Each internal timer provides resistive and capacitive timing inputs, trigger and reset controls, and an output stage. Two independent sections allow one circuit to generate two events, delays, tones, or periodic waveforms. The verified data identifies the TS556 as a pin-to-pin and functionally compatible bipolar NE556 design, while reducing typical supply current to 220 µA at a 5 V supply. Another source lists 180 µA typical at 3 V. Its 2.7 MHz maximum astable frequency allows shorter timing periods and higher-frequency waveform generation than a 0.1 MHz NE556, subject to the datasheet's timing limits, component tolerances, and output-drive conditions. The TS556ID supports monostable and astable operating modes. In monostable service, an external trigger produces a timed output pulse whose duration is determined primarily by external resistance and capacitance. In astable service, external timing components charge and discharge an internal node, producing continuous oscillation. Engineers should calculate the timing values from the manufacturer datasheet, include realistic resistor and capacitor tolerances, and verify output rise and fall behavior in the intended load. Typical uses include low-power pulse generation, delayed actuator triggering, LED and indicator flashing, audible tones, small signal-clock generation, industrial control timing, and embedded system timing support. The dual architecture is especially useful when two related but nonsynchronous events are needed. Compared with a NE556, the principal benefits are lower typical consumption and a substantially higher maximum astable frequency; NE556 compatibility does not mean every electrical limit is identical. Design with the 2 V to 16 V supply range in mind, especially the output behavior at low supply voltage. Keep the reset and trigger paths free of unwanted noise, select timing-component tolerances for the required frequency accuracy, and provide the bypass and output-loading conditions required by the datasheet. Because timing accuracy depends on real component values and parasitics, breadboard validation is advisable for high-frequency or precision intervals. This page combines verified manufacturer and distributor information, practical timing guidance, and a conservative assessment of drop-in replacements. It distinguishes documented electrical facts from parameters that require datasheet confirmation, helping engineers locate the TS556ID datasheet, evaluate purchasing options, and decide whether a same-package substitute is suitable for an existing PCB.

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TS5A2053

TS5A2053 - 10Ω SPDT Analog Switch | Texas Instruments

The TS5A2053 is a single-pole double-throw (SPDT) analog switch from Texas Instruments, designed to operate from 1.65 V to 5.5 V. It can handle both digital and analog signals, and signals up to V+ can be transmitted in either direction. The device features a low ON-state resistance of 10Ω (typical) and includes an enable pin for power management. It is available in the 8-pin VSSOP (DCU) package, making it suitable for space-constrained applications. An analog switch is a semiconductor device that selectively connects or disconnects an analog signal path based on a digital control signal. It is a fundamental building block in signal routing, multiplexing, and sample-and-hold circuits. Analog switches are part of the broader category of interface ICs, which manage signal integrity and connectivity between different subsystems in electronic systems. Key features of the TS5A2053 include a low ON-state resistance of 10Ω, which minimizes signal attenuation, and a wide operating voltage range from 1.65 V to 5.5 V, allowing compatibility with various logic levels. The device also offers fast switching speeds, with a typical turn-on time of 20 ns and turn-off time of 15 ns, making it suitable for high-frequency signal routing. The enable pin allows the switch to be disabled, reducing power consumption in standby modes. Technically, the TS5A2053 uses a CMOS process that provides low power consumption and high ESD robustness. The device has a bandwidth of 300 MHz, enabling it to pass high-frequency signals with minimal distortion. The ON-state resistance is flat across the input voltage range, ensuring consistent performance. The device also features break-before-make switching, preventing momentary short circuits between channels. Typical applications include audio signal routing, data acquisition systems, and test equipment. In audio systems, the low ON-state resistance and high bandwidth ensure minimal signal degradation. In data acquisition, the switch can route analog signals to an ADC, with the enable pin allowing power saving when not in use. In test equipment, the TS5A2053 can be used for signal multiplexing and routing. When designing with the TS5A2053, it is important to consider the ON-state resistance and its effect on signal integrity. For high-frequency signals, the parasitic capacitance of the switch can cause signal attenuation, so proper PCB layout and termination are recommended. Additionally, the enable pin should be tied to a defined logic level to avoid floating inputs.

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TS5A3159QDBVRQ1

TS5A3159QDBVRQ1 - 1Ω SPDT Analog Switch AEC-Q100 | TI

The Texas Instruments TS5A3159QDBVRQ1 is an automotive-qualified (AEC-Q100) single-pole double-throw (SPDT) 2:1 analog switch with 1Ω typical ON-state resistance (1.3Ω max), operating from a 1.65V to 5.5V supply in a 6-pin SOT-23 (DBV) package. An analog switch is a semiconductor device that routes or gates analog and digital signals under the control of a logic-level input. Within the signal-chain hierarchy, the SPDT analog switch sits in the analog switches and multiplexers family, below large multiplexer arrays and alongside transmission-gate logic. An SPDT device connects one common (COM) terminal to either of two throw terminals (NO or NC), making it the fundamental building block of signal routing and redundancy switching. Key features include break-before-make switching, which prevents momentary channel shorting during transition and eliminates signal distortion when a signal source moves between paths; an excellent total harmonic distortion (THD) specification that preserves audio and precision-signal integrity; and low ON-resistance matching and flatness, which minimize signal error across the input range. The device operates from a single 1.65V to 5.5V supply, compatible with 1.8V, 2.5V, 3.3V, and 5V logic systems. The switch core uses a low-charge-injection MOS transmission-gate architecture with approximately 8pF typical ON capacitance (per TI family data), limiting high-frequency insertion loss in data and RF routing paths. The digital IN pin is logic compatible across the full supply range, and the -Q1 suffix denotes AEC-Q100 qualification with -40C to +125C operation for automotive environments. Typical applications include automotive audio source selection, sensor-signal multiplexing in battery-management and body-control modules, UART/SPI/SMBus line sharing, and general-purpose signal gating in industrial systems. The 2.9mm x 1.6mm SOT-23-6 footprint suits densely populated boards. Design tip: terminate or AC-ground unused throw terminals to reduce crosstalk, and place the device close to the signal source to minimize parasitic trace capacitance. This page synthesizes distributor pricing, drop-in alternatives, comparison tables, and practical design notes not found in the manufacturer datasheet.

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TS7003ITD833

TS7003ITD833 - 12-Bit 300ksps SAR ADC, 2.5V Ref, TDFN-8 | Silicon Labs

The Silicon Labs TS7003ITD833 is a 12-bit, 300 ksps successive-approximation analog-to-digital converter (ADC) with a single-ended single-channel input, integrated +2.5V reference, and a high-speed serial digital interface, packaged in an 8-pin TDFN (3x3 mm) with exposed pad for thermal and ground integrity. Designed for single-supply operation from +2.7V to +3.6V, it draws less than 1 mA at full 300 ksps conversion rate. An ADC in this product category is a mixed-signal data converter that translates real-world analog voltages into discrete digital codes. The successive-approximation register (SAR) architecture family uses a binary-search algorithm with an internal track-and-hold front end, achieving a balance of speed, accuracy, and low power consumption suitable for embedded sensing, instrumentation, and process-control front-ends. This part sits within the broader hierarchy: ADC -> data converter -> mixed-signal IC -> semiconductor. Its integrated reference removes an external component and reduces board area, an important benefit for compact sensor-interface designs. Key features include 12-bit resolution, 300 ksps throughput, a high-bandwidth input track-and-hold amplifier, and an internal +2.5V reference. The serial interface reduces pin count compared to parallel-output ADCs, simplifying routing and host-MCU connection. Low conversion-mode power consumption and an industrial temperature range support battery-aware and factory-floor deployments alike. The TS7003ITD833 successive-approximation architecture implements a charge-redistribution DAC internally, capturing input samples on the T/H at the rising edge of CNVST and presenting results one frame later through the SPI-compatible serial port. The integrated reference and single-supply rail minimizes external component count, while the 8-pin TDFN EP package provides a low-impedance thermal/ground path that enhances noise immunity at full throughput. Typical applications include industrial process-control analog front-ends, portable battery-powered data loggers, sensor-signal digitizers, weigh-scale and load-cell readouts, and microcontroller-based instrumentation. Use it where channel count is small, sampling rate is moderate, and PCB real estate is at a premium. When designing with this ADC, place the decoupling capacitor directly between AVDD and GND, keep analog and digital ground returns separated until they join at the exposed pad, and respect the tACQ acquisition-time timing parameter when writing firmware. Driving the analog input from a low-impedance buffer maintains data-sheet linearity at high source resistances. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet to help procurement and design engineers evaluate the TS7003ITD833 for new designs and second-source risk mitigation.

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TS7221BILT

TS7221BILT - Single BiCMOS R2R uPower Comparator | STMicroelectronics

The STMicroelectronics TS7221BILT is a single BiCMOS rail-to-rail micropower comparator housed in a 5-pin SOT-23 (SOT-23-5) package, designed for space- and weight-critical designs. It is fully specified at 2.7 V, 5 V and 10 V operation, drawing only a few microamperes of supply current while delivering rail-to-rail input performance and an open-drain output stage. The 'B' grade denotes a tighter input offset voltage grade versus the 'A' suffix variant, while the 'I' temperature suffix indicates the -40C to +85C industrial operating range and 'LT' indicates SOT-23-5 tape-and-reel packaging. A comparator is an analog building block that compares two input voltages and produces a logic-level output indicating which is larger. Micropower comparators like the TS7221 occupy a position in the power-management/analog signal-chain hierarchy below op-amps but above simple logic gates, and are favoured for always-on battery-powered designs where quiescent current dominates total energy consumption. Within ST's broader comparator family, the TS7221 sits alongside the TS7222 (dual) and TS7223 (quad) as the single-channel foundation of the series. Key features include rail-to-rail input common-mode range, an open-drain output that allows wired-OR logic and level-shifting to any pull-up voltage, very low supply current typically well under 10 uA, and 5 V/10 V operation suitable for industrial sensor interfaces. The BiCMOS process combines CMOS input stages with bipolar output drive for a balance of low power and reasonable switching speed. Internal ESD protection on the inputs (HBM 2000 V per the datasheet absolute maximum ratings) further improves robustness in handheld and field-deployed equipment. Typical applications include battery-pack voltage monitoring, threshold detectors, window comparators, and signal conditioning in IoT sensor nodes, wearables, and portable medical devices. The small SOT-23-5 footprint also makes the device attractive for space-constrained designs such as hearing aids and remote keyless-entry keyfobs. When designing with this part, choose the pull-up resistor on the open-drain output based on the desired propagation delay versus power budget; lower pull-up resistance speeds up edges but increases static current when the output is LOW.

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TS902ID

TS902ID - Dual Rail-to-Rail Op Amp with Standby | STMicroelectronics

The STMicroelectronics TS902ID is a dual rail-to-rail CMOS operational amplifier with a standby position, offering 1.4 MHz gain-bandwidth product, 10 mV offset voltage, and operation from single or dual supplies up to 16 V in a 14-pin SOIC package. The device is intended for instrumentation, industrial control, and signal-conditioning systems where low-power standby operation and rail-to-rail input and output behavior are useful. An operational amplifier is an analog integrated circuit that amplifies the voltage difference between its two inputs while using negative feedback to set the gain. The TS902ID belongs to the operational-amplifier hierarchy, where a dual amplifier provides two amplifier channels in one package. Rail-to-rail input and output stages allow signals to approach the supply rails, while the standby function reduces supply consumption and places the outputs in a high-impedance state. Key features include rail-to-rail input and output voltage ranges, a 1.4 MHz gain-bandwidth product, and 10 mV typical input offset voltage. The amplifier supports single- or dual-supply operation from 2.5 V to 16 V according to the available manufacturer information, and its standby current is specified at 0.5 uA. The 14-SO package supports conventional surface-mount assembly and exposes both amplifier channels and the standby control. The TS902ID uses a CMOS operational-amplifier architecture designed for general-purpose analog signal conditioning. Its low standby current supports portable and instrumented systems that need to reduce consumption when measurements are not active. Rail-to-rail operation is useful when the available signal range is close to the supply voltage, although input common-mode, output swing, noise, and stability conditions still need to be checked against the application. Typical applications include low-power instrumentation, industrial sensor interfaces, battery-operated measurement equipment, audio and control-signal conditioning, and dual-channel analog systems. The dual-channel configuration can reduce board area when two independent signal paths are required. The standby position is particularly appropriate for systems that periodically disable the amplifier while retaining the device in the circuit. When laying out a TS902ID design, keep the input and output paths short, provide stable feedback compensation, and bypass the supply pins with suitable ceramic capacitance. Do not assume that standby mode preserves signal accuracy at the moment of switching; verify the timing against the system requirements. The manufacturer datasheet should be used for the complete electrical limits, pin connections, and application recommendations. This page combines verified manufacturer and distributor references with practical engineering guidance for instrumentation, power-conscious analog design, and drop-in replacement assessment.

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TS912ID

TS912ID - Dual Rail-to-Rail CMOS Op Amp | STMicroelectronics

STMicroelectronics TS912ID is a dual rail-to-rail CMOS operational amplifier with two independent amplifiers, an 8-pin SOIC package, and operation from single or dual supplies. Verified distributor listings identify it as a 2.7 V to 16 V device with approximately 800 kHz gain-bandwidth product and 1.3 V/us slew rate. The rail-to-rail input and output architecture supports signal stages whose operating range approaches the available supply voltage. An operational amplifier is an analog building block that uses high open-loop gain to amplify voltage differences while feedback determines the closed-loop behavior. A dual op-amp combines two amplifiers in one package, allowing designers to implement filters, buffers, level conversions, or paired signal-conditioning stages while reducing board area. CMOS construction supports low-power and low-noise signal-chain designs across industrial, instrumentation, communications, and consumer equipment. The TS912ID's rail-to-rail input range includes both supply rails, while its rail-to-rail output can swing close to the upper and lower limits. The verified 800 kHz bandwidth provides useful response for general-purpose low-frequency and moderate-frequency applications, while the 1.3 V/us slew rate supports faster transitions than very low-bandwidth precision amplifiers. Two independent, frequency-compensated amplifiers are contained in the same 8-SOIC package. Supply flexibility is central to the device: it can operate from a single 2.7 V minimum supply or from dual positive and negative rails. This makes it suitable for battery-powered instrumentation, active filtering, transducer interfaces, and general analog signal conditioning. Designers should still verify input and output common-mode limits, output-load behavior, noise, input-bias-current requirements, and stability against the conditions of the manufacturer datasheet. Typical uses include low-frequency active filters, sensor-signal conditioning, audio and communications interface blocks, voltage buffering, and two-channel sensor amplification. The SOIC-8 package is straightforward for conventional PCB assembly and breadboard or prototype layouts, although exposed-pad thermal management is not applicable. The primary design consideration is to place input, feedback, and decoupling components so that high-gain layouts remain stable. Keep sensitive input traces short, maintain a low-impedance ground reference, and follow the datasheet's recommended bypass capacitance. Verify the actual output swing against the load and required logic or sensor levels rather than assuming ideal rail-to-rail behavior. This page combines verified distributor pricing, manufacturer datasheet access, same-package replacement data, and practical selection guidance. It separates explicitly published facts from parameters requiring design verification, helping engineers source TS912ID without relying on generic amplifier descriptions.

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TS912IN

TS912IN - Dual Rail-to-Rail CMOS Op Amp | STMicroelectronics

The STMicroelectronics TS912IN is a dual rail-to-rail CMOS operational amplifier with two amplifier channels, a 2.7 V to 16 V supply range, and an 8-pin Mini DIP package. The device supports single-supply or dual-supply operation, with rail-to-rail input and output voltage ranges. According to the manufacturer datasheet, its typical input bias current is only 1 pA, maximum input offset voltage is 2 mV, and supply current is approximately 200 µA per amplifier at a 3 V supply. These characteristics make the TS912IN suitable for low-power instrumentation, sensor interfaces, and signal-conditioning circuits that require low input bias and flexible supply operation. A CMOS operational amplifier is a voltage amplifier whose differential input controls the voltage applied to its output. Rail-to-rail input and output ratings allow the amplifier to operate close to the positive and negative supply rails, increasing the usable output range in single-supply systems. In the electronics hierarchy, the TS912IN is a dual operational amplifier, which belongs to the broader class of analog amplifier ICs and ultimately to integrated circuits used for analog signal processing. Key features include two independent amplifier channels, rail-to-rail input and output operation, and a 2.7 V to 16 V total supply range. The 1 pA typical input bias current is particularly useful for high-impedance sources because it minimizes source-loading error. Maximum input offset voltage of 2 mV supports accurate amplification of signals near the lower end of the input range. Operation from a 3 V supply at approximately 200 µA per amplifier also helps limit power consumption in battery-operated equipment. The TS912IN uses CMOS input circuitry to provide low bias current and low supply consumption. Rail-to-rail input behavior is important when the signal can approach either supply rail, while rail-to-rail output capability allows the output to use much of the available supply voltage. Designers should still account for output-current limits, load impedance, input common-mode behavior, and output-voltage headroom under the selected supply voltage and load conditions. Typical uses include low-power sensor signal conditioning, portable measurement instruments, battery-powered monitoring, and general-purpose analog filtering. The dual configuration allows one package to provide two amplifier channels for gain stages, buffers, comparators, or active filters. When the source impedance is high, the 1 pA typical bias current reduces loading, although PCB leakage and guard-ring techniques may still be necessary in demanding measurements. When designing around the TS912IN, use stable bypass capacitance at the supply pins and keep feedback components close to the amplifier pins to minimize parasitic effects. Confirm the required output swing, load, input range, and noise performance against the manufacturer datasheet before finalizing a high-gain or precision application. This page consolidates the verified manufacturer descriptions, distributor references, package information, technical characteristics, and substitution constraints for the TS912IN. It also distinguishes verified data from unavailable pricing, compliance, and pin-mapping details, helping engineers evaluate the amplifier without treating unverified substitute parts as drop-in equivalents.

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TS914ID

TS914ID - Quad Rail-to-Rail CMOS Op Amp | STMicroelectronics

STMicroelectronics TS914ID is a quad rail-to-rail CMOS operational amplifier with a 1.4 MHz gain-bandwidth product, operating from 2.7 V to 16 V and supplied in a 14-pin SOIC package. The device accepts single or dual supply voltages and supports rail-to-rail input and output operation, allowing signals to approach either supply rail. Its extremely low 1 pA typical input bias current suits high-impedance sensing circuits, while the 2 mV maximum input offset voltage provides adequate precision for general-purpose analog signal conditioning. A CMOS operational amplifier is a voltage-controlled, high-gain analog building block whose differential input is amplified relative to ground or another reference voltage. The TS914 belongs to the operational-amplifier hierarchy, combining four amplifiers in one integrated circuit. It is designed for low-power, single-supply and dual-supply systems where four independent analog channels can be implemented in one compact 14-pin SOIC package. Key features include four amplifier channels, rail-to-rail input and output ranges, a 2.7 V to 16 V supply-voltage range, and a 1.4 MHz gain-bandwidth product. The typical input bias current of 1 pA is particularly valuable when source impedances are high, because it minimizes the voltage error caused by bias current. The reported 200 µA supply current per amplifier at 3 V also supports battery-powered and portable equipment when the required bandwidth is moderate. The TS914's CMOS input stage enables operation close to the supply rails and supports low input bias current. Its 1.4 MHz bandwidth is appropriate for general-purpose amplification, filtering, buffering, and signal conditioning rather than high-speed precision instrumentation. Because the maximum offset voltage is specified as 2 mV, applications demanding sub-millivolt accuracy require additional calibration or a more precise amplifier. Typical uses include four-channel sensor interfaces, low-frequency active filters, audio and communication signal conditioning, portable instrumentation, and industrial control modules. Placing all four channels in one SOIC package reduces board area and external component count. Input common-mode and output swing limits, output-current capability, noise, and stability should still be checked against the manufacturer datasheet before fixing the supply voltage and external network. For reliable single-supply operation, keep the input common-mode voltage within the supported range, place input and feedback components close to the device, and provide suitable bypassing at each supply pin. Decoupling requirements and compensation values must follow the manufacturer datasheet rather than generic assumptions. If the source resistance is high, account for input bias-current and capacitance errors, and confirm that the selected feedback topology remains stable at the intended gain. This product page consolidates verified manufacturer and distributor information with package, application, replacement, and design guidance. It distinguishes verified parameters from information that still requires datasheet review, helping engineers evaluate TS914ID without mistaking generic amplifier assumptions for guaranteed TS914ID characteristics.

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TS914IN

TS914IN - 4-Channel Rail-to-Rail Op Amp | STMicroelectronics

STMicroelectronics TS914IN is a four-circuit, rail-to-rail CMOS operational amplifier designed for single or dual supply operation, with a 16 V maximum supply voltage, 1 pA typical input bias current, and a 2 mV maximum input offset voltage. The device is supplied in a 14-pin through-hole DIP package, allowing one package to implement four amplifier channels. A CMOS operational amplifier is a voltage-controlled, high-gain analog signal-processing component used for buffering, amplification, sensing, filtering, and feedback control. The TS914IN belongs to the operational amplifier hierarchy within analog integrated circuits, where its rail-to-rail input and output capability makes it suitable for systems whose signal levels approach the available supply rails. Key features include four amplifier circuits, rail-to-rail input and output operation, support for single or dual power supplies, very low 1 pA typical input bias current, and low input offset voltage no greater than 2 mV. According to the STMicroelectronics manufacturer datasheet, the device is intended for applications operating from a single supply or from dual supplies up to 16 V. The low input bias current is especially useful when the amplifier is connected to high-impedance sensors, because the amplifier contributes minimal loading to the source. Rail-to-rail behavior also broadens the usable input and output range in low-voltage systems. The trade-off is that the 14-pin DIP package is larger than modern surface-mount packages, making TS914IN more appropriate for through-hole, legacy, industrial, and prototyping assemblies. Typical uses include battery-powered instrumentation, sensor interfaces, low-voltage signal conditioning, sample-and-hold circuits, active filters, and general-purpose analog control systems. Its four independent channels can reduce the number of packages required when a board needs several similar low-power amplifier functions. When designing around TS914IN, verify input and output common-mode limits, output-current capability, operating-temperature limits, and stability requirements against the manufacturer datasheet for the exact operating conditions. Input bias, offset, and supply currents should be checked with the source impedance and signal bandwidth, particularly in high-impedance precision measurements. This page consolidates verified manufacturer and distributor information, package and pin details, replacement constraints, comparison data, and application-specific engineering guidance. It distinguishes confirmed specifications from unavailable values so engineers can make sourcing and PCB-retention decisions without relying on unsupported assumptions.

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TS921ID

TS921ID - 4MHz High-Output RRIO Op Amp | STMicroelectronics

The STMicroelectronics TS921ID is a single rail-to-rail input and output BiCMOS operational amplifier optimized for 3 V and 5 V operation, with a 4 MHz gain-bandwidth product, 1.3 V/us slew rate, and 80 mA output-current capability in an 8-pin SOIC package. An operational amplifier is a voltage-controlled differential amplifier that uses high open-loop gain to amplify small input signals. The TS921 belongs to the rail-to-rail input/output, or RRIO, family, allowing its input common-mode range and output swing to approach the supply rails. This makes it useful for low-voltage battery-powered equipment, sensor interfaces, audio stages, industrial controls, and portable instruments where the signal can occupy much of the available supply range. The TS921's principal features include low input noise of 9 nV/sqrt(Hz), a 4 MHz gain-bandwidth product, 1.3 V/us slew rate, and an output stage capable of delivering 80 mA. The manufacturer identifies the device as optimized and fully specified for 3 V and 5 V supplies, while verified distributor data also gives a 2.7 V to 12 V operating-voltage range. Rail-to-rail operation reduces the need for separate positive and negative supply rails in single-supply designs. The BiCMOS process combines bipolar input characteristics with CMOS output circuitry. In practical signal chains, the TS921 can condition low-level sensor outputs, buffer precision ADC inputs, or provide general-purpose gain. Its 80 mA output capability is useful for driving moderate loads, although sustained heavy loading can reduce output swing and increase power dissipation. The 4 MHz bandwidth supports applications requiring moderate rather than high-frequency closed-loop performance. Typical uses include battery-operated instrumentation, low-voltage audio, industrial sensor conditioning, active filters, and portable measurement equipment. The SOIC-8 format supports conventional surface-mount assembly, while the manufacturer datasheet provides the authoritative pin connection and recommended application information for layout and decoupling decisions. For single-supply operation, reserve output headroom for the load and check the input common-mode range across the complete signal excursion. Place the supply bypass capacitor close to the positive and ground pins, and use short, low-impedance feedback routes to limit parasitic feedback and preserve stability. This product page combines the verified manufacturer and distributor information with package, application, comparison, and design guidance. It identifies where TS921ID fits, highlights the 4 MHz bandwidth and 80 mA output-current capabilities, and clearly separates confirmed data from engineering details that require additional verification.

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TS921IN

TS921IN - 4MHz Rail-to-Rail Op Amp | STMicroelectronics

The STMicroelectronics TS921IN is a single-amplifier operational amplifier with a 4 MHz gain-bandwidth product, 1 V/µs slew rate, rail-to-rail input and output capability, and an 8-DIP package. Its 80 mA typical output current supports higher-capacitive and load-driving capability than a conventional low-current general-purpose amplifier. An operational amplifier, or op amp, is a high-gain analog building block used to amplify, buffer, compare, filter, and control signals. The TS921IN belongs to the operational-amplifier hierarchy, which falls under analog amplifier ICs and broader semiconductor signal-conditioning devices. Its rail-to-rail input and output architecture is useful when the usable input or output range must extend close to the supply rails. Key characteristics include a 4 MHz gain-bandwidth product, 1 V/µs slew rate, low input-referred noise density of 9 nV/√Hz, and typical output current of 80 mA. The single-amplifier configuration allows a PCB footprint to remain compact, while the 8-DIP package provides straightforward through-hole assembly. The listed operating temperature range is -40°C to +125°C, supporting industrial-temperature applications. The TS921IN combines rail-to-rail signal handling with relatively high bandwidth and output-drive capability. Its low-noise specification is particularly useful for low-level audio, instrumentation, sensor-interface, and general analog signal-conditioning circuits. The 80 mA output current also allows the amplifier to drive more demanding loads than a typical comparator-oriented or ultra-low-power op amp, provided the supply voltage and thermal limits remain satisfied. Typical uses include low-level sensor amplification, active filtering, audio preamplification, buffer stages, threshold and comparator-style interfaces, and general industrial control circuitry. It can also serve as a rail-to-rail input/output buffer in systems where the input signal approaches either supply rail. Designers should still verify stability, output swing, load capability, and noise performance against the complete circuit requirements. A key design consideration is the trade-off between bandwidth, noise, and output drive. The TS921IN is more capable than a low-power, low-bandwidth amplifier, but it is not necessarily the optimal choice for every precision or micropower design. Input and output stability should be evaluated with the actual source impedance, load, supply voltage, and external compensation network. This page combines verified distributor specifications and availability with a practical TS921IN selection guide, application analysis, datasheet references, and defensible family alternatives. Pricing reflects the verified $0.58 unit-price listing as of October 29, 2026, while unavailable technical fields are explicitly marked rather than estimated.

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TS922ID

TS922ID - Dual Rail-to-Rail Op Amp | STMicroelectronics

The STMicroelectronics TS922ID is a dual, rail-to-rail BiCMOS operational amplifier optimized for 3 V and 5 V operation, housed in an 8-pin small-outline integrated circuit package. Its two amplifier channels feature high output-current capability for driving low-load impedances, while the rail-to-rail input and output stages make it suitable for systems whose signal levels approach the supply rails. An operational amplifier is a high-gain, high-impedance analog amplifier used to amplify, buffer, compare, or filter signals. The TS922ID belongs to the operational-amplifier family within analog integrated circuits, providing two independent amplifier channels in one package. Rail-to-rail operation means the amplifier can process input and output signals close to the positive and negative supply limits, which improves utilization of the available supply voltage in mixed-signal systems. The TS922 and TS922A family is specifically described by STMicroelectronics as a dual BiCMOS operational-amplifier family optimized and fully specified for 3 V and 5 V operation. The TS922ID also provides high output currents, allowing the device to drive low-load impedances. These characteristics make it useful in audio output stages, sensor-conditioning circuits, active filters, and low-voltage industrial or battery-powered equipment. The TS922ID is identified as an active, RoHS-compliant, standard general-purpose amplifier with an operating temperature range of -40 °C to +125 °C. The device is supplied in an SOIC-8 package, and distributor listings identify the TS922ID as a dual amplifier with rail-to-rail operation. Because the device combines two amplifiers in one package, it can also reduce board area in designs that require two buffered or amplifying channels. A key application consideration is that the available supply voltage and load current determine whether the output stage remains within its intended operating region. Designers should also observe the absolute maximum ratings and recommended operating conditions in the STMicroelectronics datasheet, provide appropriate bypass capacitance near the supply pins, and confirm that the connected load does not exceed the amplifier's specified drive capability. This page combines the manufacturer datasheet, distributor inventory information, and verified cross-reference findings. It also distinguishes documented TS922ID data from parameters that require confirmation from the full datasheet or distributor inventory before production release.

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TS922IN

TS922IN - Dual 4MHz Rail-to-Rail Op Amp | STMicroelectronics

STMicroelectronics TS922IN is a dual, rail-to-rail input and output BiCMOS operational amplifier optimized for 3 V and 5 V operation, with a 4 MHz gain-bandwidth product, 1 V/µs slew rate, and high output-current capability. The device is supplied in an 8-pin Mini DIP package and contains two independent amplifiers. According to the STMicroelectronics manufacturer datasheet, its rail-to-rail stages allow input and output voltages to approach the supply rails, while the BiCMOS architecture combines low input bias current with CMOS-style low power consumption. An operational amplifier is a high-gain, high-impedance analog signal-conditioning circuit used for voltage amplification, buffering, filtering, and closed-loop feedback control. Within the broader semiconductor hierarchy, the TS922IN is a dual precision analog amplifier, falling under the categories of operational amplifier, analog IC, and semiconductor. Its two amplifier sections can independently process signals or operate together in differential and analog signal-conditioning circuits. Key electrical characteristics include a 4 MHz gain-bandwidth product, 1 V/µs slew rate, low noise identified as 9 nV/√Hz, and output-current capability up to 80 mA. The supported supply range is 2.7 V to 12 V, with operation optimized around 3 V and 5 V rails. Rail-to-rail input and output behavior is especially useful when signal amplitudes occupy much of the available supply-voltage range. The 80 mA output capability also permits relatively low-load-impedance drive compared with many general-purpose dual amplifiers. The TS922 family uses a BiCMOS input stage to combine bipolar-device characteristics with CMOS power behavior. Its dual architecture saves board area by placing two amplifiers in one package. The manufacturer describes the devices as optimized and fully specified for 3 V and 5 V operation, while also identifying a wider operating range extending to 12 V. This makes the TS922IN relevant to industrial controls, sensor interfaces, audio paths, data acquisition, and general dual-amplifier designs. Typical uses include low-level sensor conditioning, active filtering, audio preamplification, voltage buffering, and mixed-signal circuits requiring two amplifiers. The rail-to-rail output is useful when driving subsequent stages whose common-mode range is limited. The high output current can also reduce the need for an additional output-buffer stage in moderate-load applications. Designers should verify output swing, input common-mode behavior, load stability, and noise at the actual supply voltage and operating frequency. Decoupling capacitors should be placed close to the supply pins, and unused amplifier sections should be configured according to the manufacturer datasheet rather than left floating. The 8-pin Mini DIP package also requires adequate spacing for through-hole assembly and careful handling during insertion. This page combines manufacturer specifications, verified distributor information, package guidance, drop-in alternatives, comparison data, and practical application notes. It is intended to help engineers identify whether the TS922IN fits a 3 V or 5 V dual-amplifier design before purchasing or modifying an existing PCB.

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TS924IN

TS924IN - Quad 4MHz Rail-to-Rail Op Amp | STMicroelectronics

STMicroelectronics TS924IN is a quad, rail-to-rail BiCMOS operational amplifier optimized for 3 V and 5 V operation, with four amplifier channels, 4 MHz gain-bandwidth product, 1.3 V/us slew rate, and low input-offset voltage up to 900 uV. The device is supplied in a 14-pin DIP package, making it suitable for conventional through-hole and legacy industrial designs. An operational amplifier is a high-gain analog signal-conditioning IC used in the broader voltage-amplifier and analog IC hierarchy. The TS924IN combines four independent amplifiers in one package, allowing compact implementation of filters, amplifiers, comparators, instrumentation circuits, and signal-conditioning stages. Its rail-to-rail output design supports operation close to the supply rails, while its BiCMOS construction combines bipolar input characteristics with CMOS output stages. The headline specifications are 4 MHz gain-bandwidth product, 1.3 V/us slew rate, and input offset voltage of 900 uV maximum. The TS924 family is fully specified for 3 V and 5 V supply operation, and the supplied operating-range information extends to 12 V. Its high output-current capability is particularly useful for driving low-impedance loads compared with many general-purpose op-amplifier choices. Each channel can operate as an amplifier, comparator, or active-filter building block. The wide available bandwidth supports signal paths that need more gain-bandwidth than low-speed precision-oriented amplifiers, while the 1.3 V/us slew rate allows moderate-amplitude signals to transition without excessive distortion. Four integrated channels can reduce package count and simplify board layout in multi-channel measurement and control systems. Typical uses include industrial sensor interfaces, low-voltage audio and communication circuits, active filters, data-acquisition front ends, process-control loops, and general-purpose analog signal conditioning. The 14-DIP format is especially useful when maintaining an existing through-hole design or avoiding a conversion to a surface-mount footprint. Input and output protection should still be considered because the verified data does not establish the maximum input or output voltage range. The principal design consideration is the power relationship between supply voltage, output swing, load current, and dissipation. Because no thermal-resistance or absolute maximum-rating data was included in the verified results, those values must be confirmed in the manufacturer datasheet before production release. Decoupling capacitors should be placed close to the supply pins and return pins should follow a low-impedance layout. This product record combines verified manufacturer and distributor information, package-specific replacement guidance, practical design considerations, and a parameter comparison that helps engineers distinguish true pin-compatible alternatives from merely functional substitutes. It supports component selection for legacy 14-DIP analog designs without treating incompatible package or performance variants as drop-in replacements.

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TS925ID

TS925ID - Quad 4MHz Rail-to-Rail Op Amp | STMicroelectronics

STMicroelectronics TS925ID is a quad operational amplifier with rail-to-rail input and output capability, 4 MHz gain-bandwidth product, 1.3 V/us slew rate, and operation from 2.7 V to 12 V in a 16-pin SOIC package. Each amplifier can deliver 80 mA of output current, allowing it to drive up to 32 loads according to the manufacturer documentation. An operational amplifier is an analog signal-processing IC that uses high open-loop gain to amplify voltage differences between two inputs. The TS925ID belongs to the operational-amplifier hierarchy and combines four amplifiers in one package. Rail-to-rail input behavior supports operation near the positive and negative supply rails, while rail-to-rail output behavior provides greater output-voltage range than conventional amplifiers constrained by the supply rails. The principal features include 9 nV/Hz input-voltage noise, low distortion, 4 MHz bandwidth, and 1.3 V/us slew rate. The 80 mA output-current capability distinguishes the TS925ID from lower-current general-purpose op amps, making it useful where several amplifiers must drive heavier resistive or capacitive loads. Its quad configuration also reduces board area by integrating four amplifier channels. The TS925ID combines bipolar input and CMOS output stages, identified in technical listings as a BiCMOS amplifier. This architecture supports rail-to-rail operation while retaining low-noise bipolar input characteristics. Because the four channels share a common package, careful consideration of power-supply routing, grounding, output isolation, and thermal behavior is required in multi-channel analog systems. Typical uses include audio output stages, active filters, sensor-conditioning circuits, buffer amplifiers, communications receivers, and industrial control systems. Its quad organization is particularly useful when a design needs four closely related analog channels. The adjustable phantom-ground feature can support signal references in applications requiring an artificial ground, while the standby mode can reduce power consumption when the amplifier is not needed. Designers should use the manufacturer datasheet to verify the complete electrical limits, pin configuration, output-current conditions, stability requirements, and recommended external components. Decoupling capacitors should be placed close to the supply pins, and outputs that drive capacitive loads may require isolation resistors or other stability measures. Because the available verified specification excerpt does not provide the complete pin table, the package diagram should not be used as a substitute for the official datasheet. This page consolidates the verified TS925ID operating range, bandwidth, slew rate, noise, output-current, package, pricing, and sourcing information into an engineering-focused reference. It also distinguishes verified same-package alternatives from parts that require package or electrical revalidation, helping designers make a safer replacement decision before committing a new PCB layout.

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TS931BILT

TS931BILT - 100kHz Rail-to-Rail Micropower Op Amp | STMicroelectronics

The STMicroelectronics TS931BILT is a single-channel CMOS operational amplifier in a SOT-23-5 package, featuring rail-to-rail output swing, micropower consumption, and operation down to 2.7 V single supply. As a member of the TS93x family (single/dual/quad variants), it delivers 100 kHz gain-bandwidth product while drawing only a few microamps of quiescent current, making it an excellent choice for battery-powered and portable applications. An operational amplifier (op-amp) is a high-gain DC-coupled electronic voltage amplifier with differential inputs and, typically, a single-ended output. Within the broader signal-conditioning hierarchy, op-amps sit between transducers/ADC front ends and downstream digital processing; rail-to-rail output variants extend the usable output swing to nearly both supply rails, maximizing dynamic range in low-voltage systems. Micropower CMOS op-amps like the TS931BILT optimize this topology for low-Iq operation, trading GBW and slew rate for extended battery life in handheld, IoT, and remote-sensor designs. Key specifications include a 2.7 V to 10 V supply range, 100 kHz GBW, rail-to-rail output (reaching 2.9 Vpp with RL = 100 kΩ at 3 V supply), CMOS input stage, and an operating temperature range of -40 °C to +105 °C. The SOT-23-5 package is among the smallest standard op-amp footprints, enabling compact PCB layouts in space-constrained designs. Architecturally, the TS931BILT uses a CMOS input stage with a class-AB output stage to deliver rail-to-rail output swing at low quiescent current. The 'B' suffix denotes the enhanced second-generation variant, offering improved offset and noise compared with the original TS931, while the 'I' in 'ILT' indicates the industrial temperature grade (-40 °C to +105 °C). Typical applications include battery-powered instrumentation, portable medical devices, sensor signal conditioning, active filters, and transducer interfaces. The micropower Iq makes it ideal for always-on circuits where sleep current must be minimized. When designing with this op-amp, note that the CMOS inputs have lower bias current than bipolar alternatives but may exhibit higher leakage at elevated temperatures. Decouple the supply with a 100 nF ceramic capacitor placed close to the VCC pin to suppress noise. This page synthesizes distributor pricing, drop-in alternatives within the same SOT-23-5 footprint, and practical design notes that go beyond the manufacturer datasheet, helping engineers select the right op-amp quickly.

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TS931ID

TS931ID - 100kHz Rail-to-Rail Op Amp | STMicroelectronics

The STMicroelectronics TS931ID is a single-amplifier, general-purpose operational amplifier with a 100 kHz gain-bandwidth product, rail-to-rail output operation, and a 2.7 V minimum supply voltage, packaged in an 8-pin SOIC. It operates from single 2.7 V to 10 V supplies, consumes approximately 20 µA, and provides an extremely low typical input bias current of 1 pA. The device is suited to portable instrumentation, low-power signal conditioning, buffering, and general analog signal-processing applications. An operational amplifier, or op amp, is an analog integrated circuit that provides high open-loop gain and feedback control for amplification, filtering, comparison, buffering, and signal conversion. The TS93x family belongs to the broader operational-amplifier hierarchy, which includes instrumentation, rail-to-rail, micropower, and precision amplifier categories. Rail-to-rail output operation allows the TS931ID to approach its supply-voltage limits at the output, improving dynamic range in low-voltage systems where usable signal headroom is limited. The TS931ID provides several characteristics suited to compact analog designs. Its 100 kHz gain-bandwidth product supports moderate-frequency amplification and feedback networks, while the approximately 20 µA supply consumption suits battery-operated equipment. The 1 pA typical input bias current minimizes disturbance to high-impedance sources. According to the available STMicroelectronics datasheet material, the device can reach a 2.9 Vpp output swing with a 100 kΩ load when supplied at 3 V. The TS931ID uses CMOS inputs and includes ESD protection, making it appropriate for low-leakage analog interfaces. Rail-to-rail output swing improves usable signal range near the positive or negative supply rail, but input common-mode behavior, output-current capability, stability, and drive into capacitive loads must still be checked against the complete operating condition. The single-amplifier configuration also reduces board area when one independent analog channel is required rather than a dual or quad device. Typical uses include low-power sensor conditioning, portable measurement systems, analog buffering, low-current-to-voltage conversion stages, and small-signal control circuits. Its combination of a 2.7 V minimum supply, 20 µA-class consumption, and 100 kHz bandwidth is particularly relevant to battery-powered instrumentation. The 8-pin SOIC package supports conventional surface-mount assembly and is convenient for prototypes, repair, and mixed analog or mixed-signal boards. Designers should account for output headroom when driving loads, verify stability with the selected feedback network and load capacitance, and route sensitive input traces away from switching nodes. Input and output bypassing must follow the manufacturer recommendations. Because the verified source set does not provide complete offset, slew-rate, common-mode-range, and absolute-maximum-rating tables, those values should be confirmed in the official datasheet before a safety- or precision-critical design is released. This page consolidates the verified distributor specifications, package information, purchasing reference, family-level alternatives, and practical analog-design guidance. It also distinguishes documented values from parameters that still require direct confirmation from the manufacturer datasheet, helping engineers move from part selection to PCB implementation without presenting unverified figures as facts.

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TS932ID

TS932ID - Dual 100 kHz Rail-to-Rail Op Amp | STMicroelectronics

The STMicroelectronics TS932ID is a dual, rail-to-rail-output micropower operational amplifier with a 100 kHz gain-bandwidth product, 0.05 V/µs slew rate, and a 2.7 V to 10 V supply-voltage range. The device is supplied in an 8-pin SOIC package and is intended for low-power, low-frequency signal conditioning where low supply current and CMOS input characteristics are important. An operational amplifier, or op amp, is a high-gain analog building block used to amplify, buffer, compare, and filter signals. The TS93x family belongs to the amplifier IC hierarchy, where rail-to-rail output stages allow an output voltage to approach the supply rails. This capability makes the TS932ID suitable for battery-powered sensors, portable instrumentation, and low-voltage analog interfaces. Key characteristics include a 100 kHz gain-bandwidth product, 0.05 V/µs slew rate, and typical supply-current consumption of 20 µA. The output can reach 2.9 Vpp when supplied from 3 V with a 100 kΩ load. The TS93x series also features CMOS inputs, ultra-low input bias current of approximately 1 pA, and ESD protection. These characteristics favor high-impedance sources and energy-limited systems rather than demanding high-speed or high-precision instrumentation. The TS932ID is a dual amplifier, allowing two independent signal paths in one package. Its rail-to-rail output architecture simplifies signal conditioning near low supply voltages, while its micropower operation reduces the burden on batteries or harvested-energy supplies. The 100 kHz bandwidth is adequate for audio-frequency, sensing, and general-purpose feedback-control loops, but it is not intended for high-frequency filtering, video amplification, or communications waveform processing. Typical applications include battery-operated sensor conditioning, low-current comparator or threshold functions, portable measurement modules, low-frequency active filters, analog sensor interfaces, and general-purpose buffering. In each case, the device provides two amplifier channels in a compact 8-pin SOIC while consuming approximately 20 µA under the stated family conditions. Designers should verify output load, input common-mode range, output swing, noise, offset, stability, and operating-temperature limits against the manufacturer datasheet before release. Decoupling capacitors should be placed close to the supply pins, and feedback-network components should be selected with practical bias-current and leakage considerations. This page consolidates the verified distributor information, manufacturer-family characteristics, package details, application guidance, and substitution limitations for TS932ID. It also distinguishes documented drop-in options from unsupported cross-package or functional substitutes so engineers can make a traceable replacement decision.

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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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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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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

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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