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LT1167IS8

LT1167IS8 - Precision InAmp, Single-Resistor Gain, SOIC-8 | Analog Devices

The Analog Devices LT1167IS8 is a low-power, precision instrumentation amplifier (InAmp) that requires only one external resistor to set any gain from 1 to 10,000, housed in an 8-pin SOIC package. Key specifications include 7.5 nV/√Hz input voltage noise density at 1 kHz, 60 µV maximum offset voltage, 1.2 V/µs slew rate, 1 MHz gain-bandwidth product, and 0.9 mA typical supply current on ±2.3V to ±18V supplies. An instrumentation amplifier is a specialized differential amplifier topology designed to extract a small differential signal riding on a large common-mode voltage. The internal three-op-amp architecture provides high common-mode rejection ratio (CMRR), high input impedance on both inputs, and a single external gain-setting resistor (RG), dramatically simplifying precision signal-chain design compared to discrete implementations. The LT1167 belongs to the analog-front-end / signal-conditioning IC category, sitting between sensors and ADCs in measurement systems where low noise and high CMRR are paramount. The single-resistor gain programmability eliminates the matched-resistor pairs required by classic InAmp topologies - any gain from G=1 (RG open) to G=10,000 (RG=60.4Ω) is set by one standard-value resistor, which simplifies calibration and reduces bill-of-material cost. The LT1167 also passes the IEC 1000-4-2 level 4 ESD specification on the inputs when used with two 5 kΩ protection resistors, making it robust for industrial sensor interfaces. Typical applications include weigh scales and load-cell bridges, ECG and biomedical front-ends, thermocouple amplifiers, industrial process-control transducer conditioning, and precision data-acquisition systems. The wide ±2.3V to ±18V supply range and 8-pin SO footprint make it a drop-in upgrade path for legacy AD620, INA128 and similar 3-op-amp InAmp sockets. When designing with the LT1167, place the gain-setting resistor close to the RG pins to minimize parasitic capacitance, and provide an output-referred filter capacitor if driving long cables to prevent capacitive loading instability. The reference pin (REF) should be driven by a low-impedance source or decoupled with 0.1 µF to ground for optimal CMRR. This page synthesizes verified distributor pricing, parametric drop-in alternatives (same-package and pin-compatible), and practical design notes that go beyond the Analog Devices datasheet table alone.

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LT1179CJ

LT1179CJ - 17uA Quad Precision Op Amp | Analog Devices

Analog Devices LT1179CJ is a micropower quad precision operational amplifier supplied in a 14-pin CERDIP package. The device is optimized for single-supply operation at 5V and is also specified at ±15V supplies. Each amplifier features a maximum supply current of 17uA, maximum offset voltage of 70uV, maximum offset current of 250pA, and maximum input bias current of 5nA. A precision operational amplifier is a low-noise, high-gain analog signal-conditioning device used to amplify weak sensor, instrumentation, control, and feedback signals. The LT1179CJ belongs to the micropower operational-amplifier category, combining four amplifiers in one package with very low supply-current demand. This makes it suitable for battery-powered instrumentation and other systems where amplifier power consumption must remain small. The LT1179CJ is specified as a general-purpose, four-circuit amplifier. Its precision characteristics include low offset voltage, low offset current, and low input bias current, helping reduce signal error when the amplifier is used with sensors, transducers, or high-impedance sources. The device is intended for single-supply systems, where the output signal must be biased above ground, as well as conventional dual-supply circuits using ±15V. The LT1179CJ can be used in low-power sensor interfaces, precision signal-conditioning circuits, instrumentation amplifiers, data-acquisition front ends, battery-powered measurement systems, and low-current feedback loops. Its 17uA-per-amplifier maximum supply current is particularly useful when four active amplifiers would otherwise contribute a larger aggregate supply-current requirement. For single-supply operation, confirm the input and output common-mode range, output swing, and load requirements against the manufacturer datasheet before finalizing the biasing network. Decoupling capacitors should be placed close to the power pins, and unused amplifier channels should be configured according to the recommended stable-output method. This product page combines the manufacturer product information, distributor package identification, and application-oriented engineering guidance. Use the official Analog Devices datasheet for the complete electrical characteristics, pin assignments, ordering information, and test conditions.

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LT1206CR

LT1206CR - 250mA, 60MHz Current Feedback Amplifier | Analog Devices

Analog Devices LT1206CR is a single current-feedback operational amplifier with 250mA minimum output drive current and 60MHz bandwidth in a 7-lead DDPAK package. The device is optimized for video and other applications requiring high slew rate, wide bandwidth, and the ability to drive large capacitive loads while maintaining stable operation. Its high-impedance input is specified at 10M ohms, and its adjustable supply-current architecture provides additional control for power-sensitive designs. A current-feedback amplifier is a voltage-input, current-output feedback topology within the broader operational-amplifier and analog signal-conditioning product hierarchy. Unlike a conventional voltage-feedback amplifier, the LT1206CR controls a differential current rather than an error-voltage gain, enabling wide bandwidth and high slew-rate performance while preserving low distortion. It is positioned as an analog amplifier IC for video, communications, and signal-chain systems that need more output drive than a general-purpose op amp provides. Verified manufacturer information identifies 250mA minimum output drive, 60MHz bandwidth, a 900V/us maximum slew-rate value, 0.02% differential-gain error, and 0.17 degrees differential phase. The device operates across a wide supply range and accepts supplies up to ±15V. A shutdown function places the amplifier in a high-impedance, low-current mode, with shutdown current below 200uA, helping reduce dissipation when the circuit is inactive. The LT1206 is particularly suitable for video because it combines high bandwidth, high output current, and excellent video characteristics. It is also stable with large capacitive loads and can supply the current required by capacitive input and output networks. The adjustable supply-current feature allows engineers to balance performance and power consumption according to the source impedance, load, and operating conditions of a specific board. Typical uses include video buffering, cable-driver interfaces, active video filters, video distribution, communications equipment, and test and measurement systems. In these applications, the 60MHz bandwidth and 250mA output-current capability provide useful margin for signal transmission and load driving, while the shutdown feature supports systems that periodically disable the amplifier. When laying out the circuit, use short feedback paths, maintain the feedback network close to the amplifier, and account for the DDPAK-7 thermal-pad connection when calculating copper heat spreading. Because the exact pin names and exposed-tab assignment are not present in the supplied verified snippets, the package drawing is not populated rather than presenting an unverified pinout. Consult the official LT1206 datasheet before PCB release or substitution. This page consolidates the verified Analog Devices product information, distributor availability references, package details, and practical selection guidance for the LT1206CR. It also distinguishes device-level evidence from unresolved replacement and pricing data, helping engineers avoid treating generic op-amp alternatives as true pin-compatible drop-ins.

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LT1209CS

LT1209CS - Quad 45MHz 400V/µs Op Amp | Analog Devices

Analog Devices LT1209CS is a quad, very-high-speed operational amplifier with 45 MHz gain-bandwidth product, 400 V/µs slew rate, and unity-gain stability in a 16-lead SOIC package. Each of its four amplifier channels uses a single-gain-stage architecture designed for accurate, fast settling. The LT1209CS operates from a wide supply range, with ±15 V operation explicitly identified as a minimum configuration, and consumes 7 mA per amplifier. An operational amplifier is a high-gain differential amplifier whose feedback network determines its behavior. The LT1209 belongs to the general-purpose operational-amplifier hierarchy, combining high speed with improved DC characteristics. It is a voltage-feedback amplifier designed to serve as a unity-gain buffer, a signal amplifier, or the active element in instrumentation and data-acquisition circuits. Compared with slower general-purpose devices, its principal advantage is rapid large-signal response rather than micropower operation. Key features include a 45 MHz gain-bandwidth product, 400 V/µs slew rate, and a 90 ns settling time to 0.1% for a 10 V step. The listed DC gain is 7 V/mV, while the maximum input offset voltage is reported as 3 mV in the LT1208/LT1209 datasheet summary. Unity-gain stability allows direct operation without compensation or added closed-loop gain, and the single-gain-stage architecture gives the device outstanding settling characteristics. The LT1209CS combines the speed of a high-speed voltage-feedback amplifier with DC performance suited to general instrumentation. Its wide supply range permits operation near ±15 V, while the minimum output swing of ±12 V into 500 ohms provides useful output range for bipolar signal chains. The 7 mA supply current per amplifier is a meaningful tradeoff: fast settling and slew performance are obtained at a higher supply current than typical low-power op amps. Typical uses include high-speed data acquisition, active filtering, sample-and-hold buffers, waveform conditioning, video or communications signal paths, and instrumentation requiring rapid settling. In a data-conversion system, the amplifier can drive or buffer an ADC input while preserving pulse amplitude and timing. In active filters, its 45 MHz bandwidth and 400 V/µs slew rate support signal paths whose operating frequency is comfortably below those limits. Designers should preserve adequate output-voltage headroom and verify capacitive-load stability with the actual output network. Input and feedback resistances also determine gain-bandwidth and noise behavior, so practical resistor values should be selected rather than relying on the nominal 7 V/mV open-loop gain. Stable reference grounding and short feedback paths are important because the device’s high speed can expose board-level parasitic capacitance. This page consolidates the available manufacturer and distributor information for the LT1209CS, distinguishes verified device characteristics from unavailable data, and provides practical selection and design guidance. It also distinguishes genuine drop-in alternatives from related package or ordering variants that should not be treated as automatic replacements.

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LT1210CR

LT1210CR - 1.1A, 35MHz Current Feedback Amplifier | Analog Devices

The Analog Devices LT1210CR is a current feedback operational amplifier delivering a minimum 1.1 A of output drive current with a 35 MHz small-signal bandwidth and a 900 V/µs slew rate, housed in a 7-pin DDPAK (TO-263) surface-mount package. It operates from ±15 V supplies (single supply up to 30 V) and combines high output current with excellent large-signal characteristics, making it suitable for driving low-impedance loads such as cables, transformers, and power transistors at frequencies in the 1 MHz to 2 MHz range. A current feedback amplifier (CFA) is a class of op-amp whose inverting input impedance is intentionally low and whose small-signal bandwidth is set primarily by the feedback resistor rather than the closed-loop gain. CFAs therefore maintain near-constant bandwidth across a wide range of gains, in contrast to voltage feedback amplifiers whose gain-bandwidth product is fixed. Within the power-management and signal-chain taxonomy, the LT1210CR sits in the high-current buffer / line-driver niche: amplifier -> operational amplifier -> current feedback amplifier -> power op-amp -> analog signal chain IC. Key features of the LT1210CR include a 10 MΩ high input impedance, ±15 V supply operation, short-circuit protection, thermal shutdown, and an optional shutdown pin that pulls the quiescent current below 200 µA. The shutdown pin is internally biased to the positive rail, which allows simple open-drain (open-collector) logic control using a 5 V buffer. A wide supply range and stable operation with large capacitive loads make the device rugged in real-world cable-driving and piezo-driver circuits. Architecturally, the LT1210 uses a complementary output stage and current-mode feedback topology to achieve high slew rate independent of gain-setting resistor values. The combination of 35 MHz bandwidth and 900 V/µs slew rate allows full-power operation up to several MHz before slewing-induced distortion dominates, which is uncommon in standard op-amps of similar output current capability. Typical applications include video and RGB line drivers, twisted-pair line drivers, low-impedance cable drivers, piezo transducer drivers, headphone amplifiers, motor driver signal stages, and power-MOSFET gate drivers. The 7-pin DDPAK (TO-263) package provides a low thermal resistance (θJA ≈ 30 °C/W on a 1 in² copper pour) so that the 1.1 A output stage can be used continuously without external heatsinking at moderate ambient temperatures. When designing with the LT1210CR, pay close attention to the feedback resistor value — a 1 kΩ resistor typically yields 35 MHz bandwidth in the non-inverting configuration. Place supply bypass capacitors (≥ 0.1 µF ceramic in parallel with ≥ 4.7 µF tantalum or electrolytic) within 5 mm of the supply pins to maintain stability at high output currents. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers evaluate the LT1210CR against competing high-current op-amps.

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LT1212IS

LT1212IS - 14MHz Precision Quad Op Amp | Analog Devices

The Analog Devices LT1212IS is a four-channel precision operational amplifier with a typical gain-bandwidth product of 14 MHz, a typical slew rate of 7 V/us, and a 16-SO surface-mount package. Designed for single-supply operation, the LT1212 combines four amplifiers in one package for signal-conditioning, filtering, instrumentation, and control applications where channel count, precision, and dynamic performance are important. An operational amplifier is a voltage-feedback amplifier that uses high open-loop gain to amplify the difference between its inverting and non-inverting inputs. Within the broader semiconductor hierarchy, the LT1212 belongs to the precision operational amplifier class, a type of analog amplifier used for closed-loop signal conditioning. Its quad configuration reduces package count and provides four identical amplifier channels for systems requiring several independent analog functions. Key performance features include a 14 MHz typical gain-bandwidth product and a 7 V/us typical slew rate. According to the Analog Devices datasheet, fast settling reaches 0.01% after a 2 V step in approximately 900 ns and 1 mV after a 10 V step in approximately 2.2 us. These characteristics support accurate amplification of higher-frequency signals while preserving useful large-signal behavior in precision analog circuits. The LT1212 is the quad counterpart of the LT1211 dual amplifier. Its high-frequency performance allows a single amplifier type to cover functions that would otherwise require several separate precision op amps. The device is specified for single-supply operation, making it applicable to systems where the signal and supply rails must remain close to ground. Exact input-offset voltage, input-bias-current, common-mode range, supply range, noise, and temperature limits must be confirmed from the manufacturer datasheet before final circuit sizing. Typical uses include active low-pass filters, current-to-voltage conversion, sensor signal conditioning, sample-and-hold amplifier stages, audio preamplification, and instrumentation buffers. The LT1212IS is particularly useful when four channels can share common supply and ground connections, reducing board area compared with four individual single-amplifier packages. Designers should verify input common-mode voltage, output swing, supply voltage, stability, and load-driving limits against the operating conditions of the target circuit. Decoupling capacitors should be placed close to the power pins, and unused amplifier inputs should be configured according to the manufacturer recommendations to avoid offset errors and unnecessary output saturation. This page organizes the LT1212IS specifications, sourcing questions, application guidance, package details, and verified design considerations. It also distinguishes true pin-compatible replacements from related LT1212 family options, helping engineers identify when an alternative can preserve the existing 16-SO footprint and when a package or electrical difference requires PCB changes.

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LT1214CS

LT1214CS - 28MHz 12V/us Quad Precision Op Amp | Analog Devices

Analog Devices LT1214CS is a four-amplifier precision operational-amplifier IC with a 28 MHz typical gain-bandwidth product, 12 V/us typical slew rate, and a 16-lead SOIC package. Designed for single-supply operation, the device combines four general-purpose amplifiers in one package and supports precision signal conditioning, filtering, and gain-stage applications. The verified manufacturer material identifies LT1214CS as the quad version of the LT1213/LT1214 precision amplifier family. An operational amplifier is an analog integrated circuit that uses high open-loop gain to amplify the difference between two input voltages. The operational-amplifier category belongs to the broader analog-amplifier hierarchy and supports DC-precision signal conditioning, instrumentation, buffering, active filtering, and closed-loop control. In a feedback network, the LT1214CS can set closed-loop gain and signal polarity while using its 28 MHz bandwidth and 12 V/us slew rate to reproduce changing waveforms with relatively low delay. The verified data identifies a typical 28 MHz gain-bandwidth product and 12 V/us slew rate. It also lists fast settling to 200 uV within 500 ns after a 2 V step and to 1 mV within 1.1 us after a 10 V step. These figures make the four internal amplifiers useful when multiple channels must process comparable signals, particularly in active filters, sensor interfaces, audio paths, and control systems. The DC-precision positioning also helps reduce external trim requirements in systems where offset and drift must be controlled. Architecturally, the LT1214CS places four amplifiers in one 16-lead SOIC rather than requiring four separate packages. A typical application uses each amplifier for a distinct function, such as instrumentation amplification, active filtering, output buffering, or error amplification. The package consolidates routing over one PCB footprint while still providing independent amplifier channels. Because the verified snippets do not provide the complete electrical tables, exact input-offset voltage, input-bias current, noise density, supply-current, and common-mode-range values should be confirmed in the manufacturer datasheet before final design release. Typical uses include multichannel sensor conditioning, precision active filters, audio signal paths, instrumentation front ends, and general-purpose control loops. The quad organization is especially useful when several signals must be amplified consistently within one instrument, converter, or monitoring system. The 16-SO package allows a conventional surface-mount layout, although careful grounding and decoupling remain necessary for stable high-gain operation. The principal design consideration is to verify rail-to-rail behavior, common-mode limits, output swing, and stability requirements for the specific operating conditions. Input and output capacitors should be placed close to their associated pins, sensitive analog traces should avoid switching-current paths, and unused amplifier channels should be configured according to the manufacturer recommendations rather than left floating. This page combines verified manufacturer and distributor information with a parameter-focused application guide, sourcing guidance, and explicit data gaps. It also distinguishes the lead-free LT1214CS#PBF ordering designation from the base LT1214CS MPN instead of treating a packaging-ordering variant as a separate drop-in alternative.

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LT1216CN

LT1216CN - 23MHz Quad Precision Op Amp | Analog Devices

The Analog Devices LT1216CN is a quad precision operational amplifier with 23 MHz gain-bandwidth product, 50 V/us slew rate, and single-supply operation in a 14-pin PDIP package. It is the quad version of the LT1215 family and is designed for instrumentation, signal-conditioning, filtering, and control applications that require a combination of DC precision and high-speed dynamic performance. An operational amplifier is an active analog building block that amplifies the voltage difference between its inverting and non-inverting inputs. The LT1216 belongs to the broader hierarchy of amplifier IC, instrumentation amplifier, and operational amplifier products used in precision signal chains. Its precision characteristics reduce the need for external trimming in many systems, while its high bandwidth and slew rate support accurate response to rapidly changing signals. The verified product information identifies the LT1216 as a four-circuit, bipolar, PDIP-14 precision amplifier. The family is specified at 23 MHz gain-bandwidth product and 50 V/us slew rate. The single-supply capability is useful in systems where the signal and supply rails must be referenced close to ground. The package provides four amplifier channels in one component, allowing multiple signal paths to share a common footprint and simplifying board-level layout. The LT1216 family is based on the LT1215 dual amplifier and extends the same precision amplifier architecture to four channels. The combination of high gain-bandwidth product, high slew rate, and DC precision is useful when a design must preserve small-signal accuracy while also handling waveforms with meaningful frequency content. Applications include sensor signal conditioning, active filters, low-level current-to-voltage conversion, data acquisition front ends, and general-purpose analog control. Because the LT1216CN is a monolithic four-channel device, decoupling and grounding remain important design considerations. Each supply rail should be bypassed close to the device with suitable local capacitance, and sensitive analog signals should be routed away from noisy switching nodes. The 14-pin PDIP package also requires adequate spacing and appropriate lead formation during assembly, making it more convenient for through-hole prototypes than for space-constrained surface-mount products. This product page synthesizes the verified manufacturer description, distributor identification, package information, and available comparison references for engineers evaluating the LT1216CN. Because the supplied web data does not include complete electrical tables, pricing values, or a confirmed pin-by-pin diagram, unavailable technical fields are explicitly marked rather than inferred.

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LT1216CS

LT1216CS - 23MHz Quad Precision Op Amp | Analog Devices

The Analog Devices LT1216CS is a quad precision operational amplifier with 23 MHz typical gain-bandwidth product, 50 V/µs typical slew rate, and four amplifiers in a 16-pin SOIC package. Designed by Linear Technology and offered by Analog Devices, the device combines low-noise signal-chain performance with single-supply operation. An operational amplifier is an analog building block used to amplify voltage differences, buffer signals, drive analog-to-digital converters, and implement active filters. The LT1216 belongs to the precision-op-amp hierarchy, where accurate DC behavior and fast large-signal response are useful in instrumentation, industrial measurement, communications, and test systems. It is a general-purpose precision amplifier rather than a power regulator or switching device. The verified specifications identify a 23 MHz gain-bandwidth product, 50 V/µs slew rate, and fast settling of 250 ns to 0.01% for a 2 V step. The manufacturer describes the LT1216 as a quad version of the LT1215 dual amplifier and states that the devices operate from any supply greater than 2.5 V and less than 36 V total. These figures support both precision low-frequency work and higher-bandwidth signal conditioning. The LT1216 family emphasizes DC precision and high-frequency performance. Its 23 MHz bandwidth provides useful signal amplification bandwidth, while the 50 V/µs slew rate improves response to step-like signals. The manufacturer’s published settling data gives 250 ns typical settling to 0.01% after a 2 V step and 480 ns after a 10 V step to 1 mV, making circuit simulation and feedback-loop design important. Typical uses include instrumentation amplifiers, active filters, buffer stages, communication interface circuits, data-converter front ends, and precision control systems. The quad format can reduce the number of external amplifier packages when four independent channels are required, although input, output, supply, and common-mode limits must still be checked independently. For PCB design, keep input and feedback traces short, use a solid ground reference, place compensation or decoupling components according to the manufacturer’s application guidance, and verify stability with the selected gain and load. For replacements, the LT1215 is a dual-package family member but is not a pin-compatible substitute for this 16-pin quad device; package and pin count must be checked before any redesign. This product page consolidates verified manufacturer and distributor information, package details, technical specifications, practical design considerations, and replacement guidance to support faster engineering evaluation.

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LT1230CS

LT1230CS - Quad 100MHz Current Feedback Amplifier | ADI

The Analog Devices LT1230CS is a quad 100 MHz current-feedback amplifier with four amplifiers in a 14-pin SOIC package, a 4 V to 30 V supply range, and operation from single or dual supplies. Its 100 MHz bandwidth supports high-speed signal conditioning, while the current-feedback architecture is suited to low-gain stages with high slew rate. The device is identified by the CS commercial-temperature ordering code. A current-feedback amplifier is a voltage-feedback amplifier variation that controls bandwidth and stability through feedback impedance. Current-feedback amplifiers belong to the broader operational-amplifier, analog-amplifier, and semiconductor hierarchies. They are frequently selected where conventional voltage-feedback amplifiers require gain compensation across multiple closed-loop gains or where rapid large-signal response is more important than rail-to-rail input or output operation. The verified source data identifies 100 MHz bandwidth, a 2500 V/µs slew-rate figure for the CS#TR variant, 30 mA output-drive capability, 0.04% differential gain, and 0.1° differential phase. It also reports 25 MΩ input impedance with 3 pF input capacitance. These figures make the LT1230CS appropriate for video, communications, instrumentation, and general high-speed analog interfaces when the circuit operates within the verified supply and package limits. The CS package is a 14-pin SOIC measuring 0.154 inch, or 3.90 mm, in body width. The quad topology lets one device provide four high-speed amplifier sections while reducing package count, although common power, ground, bypass, and thermal-management requirements still apply. Supply decoupling should be placed close to the device, and unused amplifier sections should be configured according to the manufacturer guidance rather than left floating. Typical applications include video buffering, high-speed data acquisition, communications-interface signal conditioning, active filtering, and instrumentation. The LT1230CS is particularly relevant where the required bandwidth and slew behavior outweigh the need for rail-to-rail operation. Designers should verify package pin assignments, recommended feedback networks, output loading, and supply sequencing against the official manufacturer datasheet before layout release. This page combines verified manufacturer and distributor information with package, application, and design guidance. Because no verified internal pricing or complete pin-level datasheet extract was supplied, missing engineering values are marked rather than inferred. The result is intended to help engineers identify whether the LT1230CS fits a design before obtaining the complete official datasheet and validating the application circuit.

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LT1256CN

LT1256CN - 40MHz Video Fader Amplifier | Analog Devices

The Analog Devices LT1256CN is a 40 MHz video fader and DC gain controlled amplifier: a two-input, one-output current-feedback amplifier whose linear control circuit sets how much each input contributes to the output, offered in a 14-pin PDIP (N-14) through-hole package. Its headline specifications are 40 MHz small-signal bandwidth, 300 V/us slew rate, and single-supply operation from 5 V to 30 V. The manufacturer lists the LT1256 as PRODUCTION, with a lead-free ordering code (LT1256CN#PBF) also offered. A video fader is a controlled-gain summing amplifier used to blend two signal sources smoothly and repeatably, typically in broadcast video equipment, audio consoles, keyers, and AGC loops. The LT1256 belongs to the current-feedback amplifier family, itself a subset of operational amplifiers, inside the broader category of analog signal-conditioning integrated circuits. Its linear control characteristic means a control voltage produces a proportional change in signal contribution, which makes the part well suited to automated mix and fade systems rather than purely manual potentiometer fading. Key features include two independently weighted inputs, DC gain control in addition to the fading function, 40 MHz bandwidth with 300 V/us slew rate for full-amplitude video signals, and a wide 5 V to 30 V supply range that allows the part to run from legacy analog rails or modern low-voltage systems. Because the control loop is linear rather than logarithmic, the part can also be used as a programmable attenuator, an analog multiplier element in filter and modulation blocks, and as the forward path of a closed-loop gain-control system. The current-feedback topology is the key architectural point: in a current-feedback amplifier the closed-loop bandwidth is largely set by the external feedback resistor rather than by the closed-loop gain, so large-signal performance stays consistent as the control voltage changes gain. The result is that signal amplitude does not visibly change color or slew rate while fading, and distortion stays low at large video amplitudes. Typical applications include broadcast video switchers and mixers, video keyers and titlers, audio mixing consoles, automatic gain control front ends for cameras and RF receivers, lab-grade attenuator and filter test setups, and general instrumentation where a variable, precisely weighted gain element is needed. When laying out an LT1256 design, treat the feedback resistor and the compensation capacitor as part of the gain-setting network: keep them close to the device, use a 0.1 uF ceramic bypass on each supply rail, and verify output swing headroom at the highest control voltage, because the output typically approaches the supply rails on a single-supply configuration. This page consolidates manufacturer specifications, package and lifecycle detail, verified drop-in alternatives, comparison parameters, and practical layout guidance in one place, so engineers can qualify the LT1256CN for a new mixer or fade block without cross-checking several documents.

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LT1260IS

LT1260IS - Triple 130MHz Current Feedback Amp | Analog Devices

Analog Devices LT1260IS is a triple current-feedback operational amplifier rated for 130 MHz operation, supplied in a 16-lead SOIC package. Each of its three independent amplifiers supports a wide supply range from a single 5 V rail through ±15 V, while active supply current is 5 mA per amplifier. The LT1260IS also provides shutdown control, allowing unused amplifiers to be placed into a zero-supply-current state for power conservation. A current-feedback operational amplifier is a high-speed voltage-amplifier topology whose closed-loop bandwidth depends primarily on the feedback resistor rather than the closed-loop gain. Current-feedback amplifiers are commonly used for video, communications, instrumentation, and other signal chains requiring large slew rate, low distortion, and reliable drive into low-impedance loads. The LT1260 family combines these characteristics with a triple amplifier configuration, allowing one device to support several independent channels. The LT1260IS provides 90 MHz small-signal bandwidth, more than 30 MHz of 0.1 dB gain-flatness bandwidth, and a 1600 V/µs high slew rate. These figures distinguish it from general-purpose operational amplifiers whose bandwidth and transition performance are usually much lower. The combination is particularly useful when processing composite video, driving short cable runs, amplifying high-speed control signals, or operating several phase-related channels in compact equipment. Each amplifier combines a current-feedback core with shutdown capability. When shutdown is asserted, the corresponding amplifier draws approximately 0 µA from the supply, reducing the overall power requirement of systems that do not need all three channels active. The architecture is intended to maintain linearity while driving cables and other low-impedance loads, making channel-to-channel implementation straightforward when identical gain-setting networks and routing practices are used. Typical uses include RGB video amplification, low-impedance cable drivers, communications-interface signal conditioning, industrial control interfaces, and instrumentation. In a three-channel RGB application, the three amplifiers can process red, green, and blue signals in parallel while preserving consistent bandwidth and slew capability across the channels. The same arrangement can support three-coordinate control, test, or monitoring channels where independent outputs are required. PCB implementation should prioritize short feedback loops, symmetrical routing, solid ground-plane continuity, and careful decoupling. Place the amplifier supply bypass capacitors close to the supply pins and keep feedback resistors close to the relevant output and inverting-input pins. Because a current-feedback amplifier relies on a low-impedance feedback network, route both sides of each feedback connection over continuous ground and avoid shared narrow copper paths between channels. This page organizes the LT1260IS specifications, package information, practical application guidance, and verified same-footprint alternatives for faster engineering selection. It also highlights shutdown, bandwidth, gain-flatness, slew-rate, and power-consumption considerations that help engineers distinguish this triple current-feedback amplifier from lower-speed general-purpose devices.

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LT1281IJ

LT1281IJ - 5V Dual RS-232 Transceiver, 16-DIP | ADI

The Analog Devices LT1281IJ is a low-power 5 V RS-232 dual driver and dual receiver interface IC packaged in a 16-pin DIP. The verified product data identifies a 2/2 transceiver configuration, bipolar RS-232 technology, a 5 V supply, and an industrial operating-temperature grade. Its through-hole rectangular package supports conventional PCB insertion and industrial equipment designs where a surface-mount alternative is unnecessary. A transceiver combines a line driver and line receiver into one interface component. RS-232 is a differential-enough, single-ended serial interface defined by voltage levels and circuit behavior rather than a balanced differential physical signal. In the signal chain, the driver translates digital logic levels to RS-232-level voltages, while the receiver converts incoming RS-232 signals back to logic levels. The dual arrangement provides two channels in one IC and can reduce board area relative to separate single-channel devices. The LT1281 family is associated with low-power operation and 0.1 uF external-capacitor support according to the Analog Devices product page. The verified material specifically names the LT1281IJ as an industrial-temperature, 16-terminal DIP variant. Operating temperature is listed as -40 C to +85 C. Other electrical details such as driver output levels, receiver thresholds, data rate, quiescent current, and propagation delay were not included in the supplied verified text and therefore require confirmation from the manufacturer datasheet before release. Typical uses include RS-232 ports in industrial control equipment, data acquisition systems, test instruments, barcode readers, legacy computers, and embedded serial-console links. The receiver may also be useful where a system needs RS-232 receive conversion independently of the driver. Designers should validate signal amplitude, capacitance, cable length, grounding, and compatibility with the connected equipment. Do not substitute a TTL-only transceiver because logic-level compatibility does not establish RS-232 compliance. This 16-DIP device is most appropriate when through-hole assembly, industrial-temperature operation, and a dual RS-232 channel are priorities. Surface-mount systems should use a verified pin-compatible DIP alternative if one exists, whereas different package families require layout changes. This page separates supplied facts from unverified parameters and avoids inferring electrical values that were not present in the retrieved source material.

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LT1342CG

LT1342CG - 5V RS-232 Transceiver | Analog Devices

Analog Devices LT1342CG is a low-power RS-232 transceiver with three drivers, five receivers, a 5 V supply, and a 3 V logic interface in a 28-pin SSOP package. It supports operation above 120 kbaud and is designed for notebook and palmtop computer interfaces. An RS-232 transceiver is an interface IC that combines line drivers and receivers for serial data transmission over the RS-232 standard. The LT1342 belongs to the broader line-driver/receiver and interface-IC hierarchy, converting between digital logic levels and RS-232 signal levels. Its 3 V logic interface allows connection to modern low-voltage digital systems while the RS-232 side operates from a 5 V supply. The verified product information identifies three drivers, five receivers, 0.2 µF charge-pump capacitors, 1 µA shutdown supply current, low-power driver disable, and ESD protection exceeding ±10 kV. The device also operates above 120 kbaud with heavy capacitive loads, supports 250 kBaud operation for 1000 pF, and is pin compatible with the LT1137A. These features make it suitable for compact serial links where low supply current and direct 3 V logic interfacing are important. The LT1342CG is packaged as a 28-pin SSOP from Linear Technology, now part of Analog Devices. The “G” package code and SSOP form factor are identified in distributor and cross-reference results. The device also supports shutdown, allowing drivers and receivers to assume high-impedance states and reducing supply current to near zero. This is useful for portable equipment where system power conservation and bus isolation affect battery life. Typical applications include notebook computers, palmtop computers, and other equipment requiring an RS-232 port with a 3 V host logic connection. The 0.2 µF charge-pump capacitors help reduce external capacitor size, while the driver-disable function allows individual transmitters to be placed into a low-power state. The device is intended for systems where EIA RS-232 compliance, low supply current, and compact packaging are priorities. When laying out a board, place the charge-pump capacitors close to their associated pins and preserve the verified package pin assignments. Confirm the interface voltage levels, baud rate, capacitive loading, and shutdown-control polarity in the system specification. The LT1342CG is an interface IC rather than a power semiconductor, so a safe-operating-area specification does not apply. This product page combines verified Analog Devices and distributor information with interface-specific application guidance, design cautions, and selection criteria to support practical RS-232 design decisions.

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LT1353CS

LT1353CS - 250 uA, 3 MHz, 200 V/us Quad Op Amp | Analog Devices

Analog Devices LT1353CS is a quad, very-low-power, high-speed operational amplifier with a 250 uA supply current, 3 MHz gain-bandwidth product, and 200 V/us slew rate. It is supplied in a 14-pin SOIC package for surface-mount industrial, instrumentation, communications, and signal-conditioning designs. The LT1353 family combines the slewing behavior associated with current-feedback amplifiers with matched high-impedance inputs, while retaining conventional operational-amplifier signal handling. An operational amplifier is an analog integrated circuit that amplifies the difference between two input voltages. In the broader signal-chain hierarchy, the LT1353CS belongs to the operational amplifier, analog amplifier, and signal-conditioning IC categories. Its combination of low power consumption and high bandwidth is useful when a circuit must preserve small, rapidly changing signals without consuming a large supply current. The LT1353 provides four amplifiers in one package, making it suitable for multichannel filters, sensor interfaces, buffer stages, and control loops. The 3 MHz gain-bandwidth product supports higher closed-loop bandwidth than a general-purpose low-power amplifier, while the 200 V/us slew rate improves response to fast voltage transitions. The 250 uA supply-current specification is particularly important in portable instrumentation and battery-powered systems where each amplifier contributes to the overall power budget. The device is based on a high-speed, low-power architecture with high-impedance matched inputs. These characteristics make the LT1353CS useful in applications requiring more bandwidth than conventional micropower amplifiers while retaining a low quiescent-power footprint. Users should account for the amplifier’s input-noise performance, output-drive capability, stability requirements, and supply-voltage limits when designing precise analog front ends. Typical uses include low-frequency instrumentation, active filters, current-to-voltage conversion, sensor signal conditioning, and general-purpose analog amplification. In portable measurement systems, the quad organization can reduce board area by consolidating four gain stages into one package. The device is also suitable for industrial control modules where low supply current helps limit heat generation and supports longer operating intervals in field equipment. For layout, place the bypass capacitor close to the supply pins and route sensitive input signals away from power and output paths. Check the manufacturer datasheet pinout and recommended application circuit before assigning PCB nets. If the output must drive a long cable, capacitive load, or ADC input, verify the resulting stability and settling behavior rather than relying only on slew-rate and bandwidth figures. This product summary combines the manufacturer device description, package information, and cross-reference results to support engineering selection. It highlights the LT1353CS balance of low supply current, 3 MHz bandwidth, and 200 V/us slew rate while identifying the verification points that matter when replacing or integrating a quad precision analog amplifier.

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LT1356CN

LT1356CN - Quad 12MHz High-Speed Op Amp | Analog Devices

The Analog Devices LT1356CN is a quad, voltage-feedback operational amplifier with 12 MHz gain-bandwidth product, 400 V/µs slew rate, and unity-gain stability in a 14-pin PDIP package. The family is optimized for low power, high-speed signal conditioning, with a maximum supply current of 1.25 mA per amplifier. An operational amplifier is an active analog building block that amplifies the difference between its two input voltages. The LT1356 belongs to the voltage-feedback amplifier hierarchy, which also includes general-purpose precision op amps, instrumentation amplifiers, and buffer amplifiers. Its matched high-impedance inputs and bipolar complementary processing support accurate signal acquisition while preserving the slewing behavior associated with current-feedback amplifiers. The principal features include 12 MHz gain-bandwidth product, 400 V/µs slew rate, 1.25 mA maximum supply current per amplifier, and operation from ±18 V according to the Arrow listing. The amplifier is unity-gain stable and supports capacitive loading through the C-Load operating approach. Input voltage noise is specified at 10 nV/√Hz, while maximum input offset voltage is 800 µV and maximum input bias current is 300 nA. The LT1355/LT1356 family uses a voltage-feedback topology with matched high-impedance inputs and advanced bipolar complementary processing. Because the devices are unity-gain stable, they can be used directly as conventional voltage amplifiers without external compensation. Their combination of bandwidth, slew rate, and supply current is intended to provide a better performance balance than older devices with comparable bandwidth, although exact noise, offset, and bias-current values vary with the selected operating conditions. Typical uses include low-power voltage-feedback stages, video and instrumentation signal chains, analog control loops, active filters, and general high-speed buffering. In instrumentation systems, the four amplifiers can implement multiple gain or filtering channels in one package. The 400 V/µs slew rate supports rapidly changing large-signal waveforms, while the 12 MHz bandwidth allows operation at substantially higher frequencies than low-bandwidth precision amplifiers. When designing around the LT1356CN, verify the external circuit against the actual signal amplitude and frequency. Large outputs at high frequency can require more output-current capability than the small-signal parameters suggest, while capacitive loading can affect stability. The 14-pin PDIP package is not lead-free; compare this ordering option with the documented LT1356CN#PBF lead-free-finish variant when procurement rules require lead-free termination. This page consolidates the verified manufacturer and distributor details, separates known LT1356CN data from missing parameters, and identifies a same-package ordering alternative. It also provides application guidance and design cautions that help engineers evaluate the amplifier without treating incomplete distributor metadata as an exact bill of materials.

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LT1356CS

LT1356CS - Quad 12MHz, 400V/us High-Speed Op Amp | ADI

Analog Devices LT1356CS is a quad, low-power, high-speed operational amplifier with 12 MHz gain-bandwidth product, 400 V/us slew rate, and a 16-SO package. The device uses a voltage-feedback topology with matched high-impedance inputs while combining the slewing behavior associated with current-feedback amplifiers. Its maximum supply current is specified at 1.25 mA per amplifier, supporting low-power signal-processing systems that require more bandwidth than conventional precision amplifiers can provide. A high-speed operational amplifier is a voltage-amplifying active device used to increase signal amplitude, buffer sources, filter waveforms, or drive downstream circuits. The LT1356 belongs to the operational-amplifier hierarchy within analog and mixed-signal semiconductors. Its unity-gain stability and ability to drive all capacitive loads make it suitable for signal-chain blocks in which predictable closed-loop behavior is needed without external compensation. The LT1356CS provides several performance characteristics suited to demanding analog processing. Its 12 MHz gain-bandwidth product supports accurate gain and phase response at higher signal frequencies than low-speed precision amplifiers. A 400 V/us slew rate provides faster large-signal transitions, while the input-voltage noise density of 10 nV/sqrt(Hz) supports low-noise amplification. Maximum input offset voltage is 800 uV and maximum input bias current is 300 nA. The LT1355/LT1356 family uses advanced bipolar complementary processing and a voltage-feedback amplifier topology with matched, high-impedance inputs. The topology combines conventional voltage-feedback operation with high slew performance. The LT1356CS is available in a 16-SO surface-mount package, permitting a relatively compact quad-amplifier implementation where board area and channel count are both important. Typical uses include video and image-signal processing, high-speed instrumentation, active filters, waveform drivers, communications interfaces, and general-purpose low-power signal conditioning. The 12 MHz bandwidth can be especially useful in filters whose useful signal band lies well below the amplifier's unity-gain frequency. The 400 V/us slew rate also helps preserve fidelity when processing square waves, pulse trains, or other signals with fast transitions. Designers should verify closed-loop stability, output-swing limits, capacitive-load behavior, and power-supply headroom for the selected gain and signal amplitude. The exact pin mapping, full temperature limits, electrical-characteristic curves, and package details should be confirmed in the manufacturer datasheet before layout or production release. Distributor pricing and stock status were not numerically available in the verified data as of 2026-10-29.

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LT1367CS

LT1367CS - Quad Precision Rail-to-Rail Op Amp | Analog Devices

Analog Devices LT1367CS is a production quad precision operational amplifier with rail-to-rail input and output capability, supplied in a 14-lead SO package. The device provides four amplifier channels, a standard quad operational-amplifier pinout, and a listed gain-bandwidth product of 400 kHz. Its rail-to-rail input and output architecture makes it suitable for signal-conditioning circuits operating close to their supply rails. An operational amplifier, or op amp, is a high-gain analog building block used in the amplifier IC category to amplify, buffer, compare, filter, and perform analog signal processing. The LT1367 belongs to the broader precision amplifier hierarchy, combining differential input stages, high open-loop gain, and rail-to-rail signal capability in one integrated circuit. The LT1367CS uses a standard quad layout in the 14-lead SO package. This arrangement allows four precision amplifier channels to be placed on a single PCB footprint. Rail-to-rail input operation is valuable when signals may approach either supply rail, while rail-to-rail output capability helps preserve output-voltage range. The verified distributor listing identifies the LT1367 as a four-circuit, rail-to-rail amplifier in a 14-SO package. The family documentation states that the LT1367 can serve as a plug-in replacement for many standard op amps while improving input and output range and precision. Because the LT1367CS is a quad device in a 14-lead package, board-level substitution requires attention to channel order, supply pins, exposed pad availability, input common-mode limits, output swing, stability, and load capability rather than package name alone. Typical uses include precision signal conditioning, low-frequency analog filtering, transducers, instrumentation, buffered sensor interfaces, and general analog signal chains. The 400 kHz gain-bandwidth figure makes it more appropriate for moderate-bandwidth precision and general-purpose amplification than for high-speed video or RF signal paths. Designers should verify the complete electrical limits from the manufacturer datasheet, including supply voltage, input offset voltage, input bias current, output swing, slew rate, settling time, noise, and temperature range. Decoupling should follow the datasheet recommendations, and output loads must remain within the specified capacitive and resistive limits to preserve stability. This product page consolidates verified manufacturer and distributor information, exact package identification, sourcing details, and pin-compatible replacement findings. It also separates directly supported LT1367CS facts from cross-reference candidates and identifies where additional electrical data is required for a final design decision.

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LT1413S8

LT1413S8 - Dual 5V Precision Op Amp | Analog Devices

Analog Devices LT1413S8 is a dual general-purpose precision operational amplifier optimized for single-supply 5 V circuits and packaged in an 8-pin SOIC. Its key ratings are 60 µV input offset voltage, 0.1 nA input offset current, 950 kHz gain-bandwidth product, and 0.3 V/µs slew rate. The device also supports ±15 V operation, giving designers a common amplifier platform for 5 V and conventional dual-supply analog systems. An operational amplifier is a high-gain, differential analog building block used to amplify, buffer, filter, compare, and control voltage signals. The LT1413 belongs to the general-purpose operational-amplifier category within the broader amplifier and analog IC hierarchy. Its two amplifiers share a common supply but operate independently, allowing one package to implement functions such as sensor conditioning, error amplification, active filtering, or signal conversion. The LT1413 emphasizes low offset voltage, low input bias current, and practical single-supply performance. The 60 µV offset and 0.1 nA offset current are particularly useful when reducing signal-chain errors near the input. A 950 kHz gain-bandwidth product supports moderate-frequency closed-loop operation, while the 0.3 V/µs slew rate allows comparatively rapid output transitions. The advertised output-current capability exceeds 10 mA at a 330 µA supply current. The dual architecture improves board utilization by providing two amplifiers in one package. Its performance is characterized for both single 5 V supply operation and ±15 V supplies, although the manufacturer identifies 5 V as the optimized use case. The same-family LT1013 heritage provides a familiar general-purpose precision-amplifier position, while the LT1413 is described by Analog Devices as a low-cost, upgraded version of that industry-standard device. Typical uses include 5 V sensor interfaces, low-level signal conditioning, active filters, instrumentation amplifiers, sample-and-hold stages, and general analog control loops. The SOIC package also allows a conventional surface-mount implementation without requiring a through-hole footprint. Designers should nevertheless verify output swing, input common-mode range, stability, and load drive at the intended supply voltage before finalizing a circuit. For a new 5 V design, the primary design consideration is power-headroom management. Input and output operating ranges, common-mode limitations, and output-swing behavior must be checked against the actual signal. The manufacturer datasheet also identifies channel separation of 140 dB as an achieved specification, which can be valuable when both amplifiers operate on small signals in the same assembly. This page consolidates the official product information, distributor availability, pricing, same-package alternatives, and practical engineering guidance into one searchable reference. The comparison and design notes clarify where the LT1413S8 fits while preserving explicit uncertainty where volume pricing, lead time, or verified alternative specifications were not supplied.

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LT1457S8

LT1457S8 - Dual Precision JFET Op Amp | Analog Devices

Analog Devices LT1457S8 is a dual, precision JFET-input operational amplifier optimized for large capacitive loads, with 220 µV offset voltage in plastic and surface-mount packages. The device provides 50 pA input bias current and 20 pA input offset current at 70°C, together with 130 dB channel separation. It is supplied in an 8-pin SOIC package. A JFET-input operational amplifier is a voltage-amplifier IC whose field-effect input stage uses junction FETs. Within the semiconductor hierarchy, the LT1457S8 is an op amp, analog amplifier IC, and signal-conditioning component. Its low-bias-current input stage is useful when measuring signals from high-impedance sources, while its large-capacitive-load optimization helps maintain stability in practical analog circuits. The principal features include a dual amplifier configuration, precision DC input offset of 220 µV, very low bias and offset currents at elevated temperature, 130 dB channel separation, and support for input and output voltages up to ±20 V according to distributor data. These characteristics make the LT1457 suitable for precision buffers, instrumentation stages, sensors, and low-frequency signal-conditioning applications. The JFET input stage provides high input impedance without introducing the bias current associated with bipolar transistor inputs. However, users should distinguish that benefit from the LT1457's comparatively low operating speed. Analog Devices identifies the LT1057 as approximately three times faster, while noting that it has lower capacitive-load handling capability. The LT1113 is identified as having 4.5 nV/√Hz voltage noise, emphasizing that different precision JFET amplifiers optimize for different noise, speed, and load-drive combinations. Typical applications include precision instrumentation, low-leakage sensor interfaces, audio and measurement buffers, active filtering, and gain stages driving substantial external capacitance. Because exact noise, gain-bandwidth, slew-rate, supply-current, and temperature-range figures were not supplied in the verified excerpts, designers should confirm those values in the manufacturer datasheet before final sizing. When using the LT1457S8, place the amplifier close to the source and load being conditioned, verify stability with the actual source and load impedances, and check the positive and negative supply rails against the ±20 V maximum cited by the distributor. This page combines verified manufacturer characteristics, distributor package data, ordering information, and application guidance while clearly identifying parameters that still require datasheet confirmation.

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LT1465CN

LT1465CN - 4-Channel Micropower JFET Op Amp | Analog Devices

Analog Devices LT1465CN is a quad micropower JFET-input operational amplifier with four amplifier circuits in a 14-pin PDIP package. The device is specified for a maximum supply current of 200 uA per amplifier, a typical input bias current of 500 fA, a 1 MHz gain-bandwidth product, and unity-gain stability with capacitive loads up to 10 nF. Its low-power, high-impedance characteristics make it suitable for precision analog signal conditioning, low-level sensing, instrumentation, and battery-powered systems. An operational amplifier is an analog integrated circuit that amplifies the difference between two input voltages while providing high input impedance, low output impedance, and controlled gain. The LT1465 belongs to the micropower JFET-input operational amplifier category, combining low supply current with very low input bias current. This combination is useful when the signal source has extremely high source resistance or when leakage current would otherwise disturb the measurement. Key features include a 1 MHz gain-bandwidth product, operation from a single or dual supply, and output swing capability that allows a 10 kOhm load to be driven to within 1.5 V of either supply rail. The JFET input stage provides picoampere-level bias current, while the micropower architecture limits supply consumption. The 14-pin PDIP package supports through-hole PCB assembly and conventional socket or leaded-board layouts. The LT1465CN is intended for applications requiring very low input bias current without the higher supply current associated with conventional bipolar input stages. Its unity-gain stability permits direct operation around buffers and voltage followers with capacitive loads up to 10 nF. The 1 MHz gain-bandwidth product is suitable for slow signal-conditioning paths, sensor interfaces, and precision control loops rather than high-speed video or communications channels. Typical applications include pH and chemical-sensor front ends, biomedical instrumentation, photodiode amplifiers, capacitive transducers, low-level current-to-voltage converters, and battery-powered measurement systems. In these applications, the amplifier can sit directly at the sensor output, where the low 500 fA typical bias current helps preserve the integrity of high-impedance signals and reduces the need for unusually low-leakage surrounding components. A key design consideration is power-supply headroom. Output swing is specified to within 1.5 V of either supply when driving a 10 kOhm load, so the supply voltage must remain above the desired output range by the required headroom. Decoupling should be placed close to the supply pins, and the input and output networks should be checked for leakage, bootstrapping, and capacitive-load stability at the actual board level. This page combines the manufacturer product information, distributor listings, package details, and cross-reference findings for LT1465CN. The most important practical distinction is the combination of quad-channel integration, micropower operation, picoampere-class input bias, and a 14-pin PDIP footprint; applications that require a surface-mount package or substantially higher bandwidth need a different device family.

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LT1465CS

LT1465CS - Quad Micropower JFET Op Amp | Analog Devices

Analog Devices LT1465CS is a quad micropower JFET-input operational amplifier with a maximum supply current of 200 µA per amplifier, typical input bias current of 500 fA, and unity-gain stability for capacitive loads up to 10 nF. The device is offered in a 14-lead SOIC package and is intended for low-power precision signal-conditioning systems that require very low input current and predictable operation with capacitive loads. An operational amplifier is an analog signal-processing IC that amplifies the voltage difference between its non-inverting and inverting inputs. The JFET-input LT1465CS belongs to the precision amplifier hierarchy, combining low-power operation with high input impedance, low bias current, and rail-to-rail output swing characteristics. Its four independent amplifier sections make it especially useful in compact instrumentation where board area and standby consumption are important design constraints. Key features include a typical input bias current of 500 fA, maximum supply current of 200 µA per amplifier, and unity-gain stability with capacitive loads up to 10 nF. The output can drive a 10 kΩ load to within 1.5 V of either supply rail. These characteristics support low-leakage sensor interfaces, precision current-feedback circuits, battery-powered measurement systems, and signal chains where amplifier input loading must remain small. The JFET input stage provides the core low-bias-current behavior, while the quad configuration integrates four amplifiers into one package. Because the device remains stable at unity gain with substantial capacitive loading, it can be used directly with long sensor wires, switched-capacitor networks, and external sampling or protection structures without requiring an isolation resistor in every case. Rail-limited output swing must still be considered when designing low-voltage signals. Typical applications include precision current measurement, photodiode and other high-impedance sensor interfaces, low-power battery monitoring, industrial instrumentation, data acquisition, and portable test equipment. In each case, the combination of picoampere-class input bias current and low per-amplifier supply current supports accurate sensing while limiting standby demand. For layout, keep the four amplifier sections and their feedback networks close to the corresponding pins, maintain a common ground reference, and place input components away from switching nodes. Review the manufacturer data sheet for the complete pin assignment, supply limits, input and output ranges, and recommended operating conditions before releasing the PCB. This page organizes the manufacturer specifications, sourcing options, drop-in replacement assessment, and application-oriented design guidance for engineers evaluating the LT1465CS. It also distinguishes electrically identical order codes from true cross-brand drop-in equivalents and highlights the package and pin-compatibility checks that matter during redesigns.

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LT1491CS

LT1491CS - Quad 44V Micropower R-R Op Amp | Analog Devices

Analog Devices LT1491CS is a quad micropower operational amplifier with rail-to-rail input and rail-to-rail output operation, four amplifier circuits per package, and a 14-pin SOIC package. The device operates from single or split supplies with a total supply voltage of 2 V to 44 V while drawing only 40 µA of quiescent current per amplifier. It also provides reverse-supply protection and is specified across 3 V, 5 V, and ±15 V supply arrangements. An operational amplifier is an analog signal-processing IC that amplifies the voltage difference between its non-inverting and inverting inputs. The LT1491CS belongs to the micropower operational-amplifier hierarchy, where low quiescent current, rail-to-rail signal handling, and wide supply-voltage tolerance are the defining attributes. These characteristics place it within precision analog and general-purpose amplifier ICs used when low power and flexible supply operation are more important than high bandwidth. The four integrated amplifiers provide rail-to-rail input and output behavior, allowing signals to approach the supply rails without requiring separate input and output biasing. Maximum quiescent current is specified at 50 µA per amplifier, while the Analog Devices product overview describes 40 µA per amplifier under its stated operating conditions. Reverse-supply protection prevents current flow when supply polarity is reversed, adding robustness in battery-powered and field-wired equipment. The LT1491CS supports a wide total supply range from 2 V to 44 V. This allows one amplifier family to cover single-supply systems near 3 V, conventional 5 V logic rails, split ±15 V analog systems, and higher industrial supply combinations. The 14-pin SOIC package provides four amplifiers in a standard surface-mount footprint, reducing board area compared with four separate single-amplifier packages. Typical uses include low-power sensor signal conditioning, battery-operated instrumentation, portable measurement equipment, industrial process controls, and buffered analog inputs. The rail-to-rail inputs are useful when operating from low-voltage supplies because the usable input range can extend toward either supply rail. The output stage is also rail-to-rail, helping preserve dynamic range in compact, low-voltage systems where headroom is limited. Designers should verify input common-mode range, output swing, offset, bandwidth, noise, settling behavior, and stability for the intended supply and load before treating the amplifier as a universal substitute. Decoupling capacitors should be placed close to the supply pins, and unused amplifier inputs should be biased appropriately. Because the manufacturer marks LT1491 as not recommended for new designs, new production designs should generally evaluate an active current-generation alternative unless the legacy device is specifically required. This product page combines the verified Analog Devices product information, distributor availability information, lifecycle status, package details, and same-family replacement candidates with practical selection guidance. It distinguishes confirmed manufacturer facts from unavailable electrical values and avoids presenting unverified specifications or cross-brand substitutions as drop-in replacements.

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LT1633CS

LT1633CS - 45MHz, 45V/us Quad Rail-to-Rail Op Amp | ADI

Analog Devices LT1633CS is a quad general-purpose precision operational amplifier with a 45 MHz gain-bandwidth product, 45 V/us slew rate, and rail-to-rail input and output in a 14-pin SOIC package. The four amplifiers are designed for applications requiring wide signal bandwidth, high slew rate, and input/output operation close to the supply rails. An operational amplifier is a high-gain, feedback-controlled analog building block used to amplify, buffer, filter, compare, or drive signals within an electronic system. The LT1633 belongs to the operational amplifier, analog signal-conditioning, and semiconductor hierarchy. Its quad configuration places four amplifiers in one package, reducing board area in designs requiring multiple high-speed analog channels. The LT1633's principal verified performance features are its 45 MHz gain-bandwidth product, 45 V/us slew rate, and rail-to-rail input and output operation. The reported maximum input offset voltage is 2750 uV. These characteristics make the device relevant to precision signal conditioning, low-level instrumentation, data acquisition, and active filtering, where the required bandwidth and output-drive capability are more important than minimum quiescent current. The LT1633 uses a bipolar process and is available as a standard quad 14-pin plastic SO package. Its rail-to-rail input stage supports signals approaching either supply rail, while the rail-to-rail output stage provides improved output range compared with a conventional complementary output restricted by saturation headroom. One verified distributor listing additionally identifies operation at plus or minus 15 V, corresponding to 30 V total supply span. Typical uses include four-channel sensor conditioning, precision filter implementations, instrumentation amplifiers, active analog signal-processing chains, and general-purpose analog buffering. The 45 MHz bandwidth provides useful headroom for moderate-frequency closed-loop designs, while the 45 V/us slew rate allows larger signal transitions without excessive distortion. Stable operation still depends on correct feedback topology, output-load limits, supply bypassing, and the applicable datasheet gain and phase-margin guidance. Designers should place input and output decoupling capacitors close to the device, verify source and sink current for the selected load, and confirm that the required output voltage remains inside the available rail-to-rail range. Input and output capacitance, noise, offset, and stability behavior should be evaluated for the selected noise gain and operating frequency rather than inferred solely from the 45 MHz gain-bandwidth figure. This page consolidates verified manufacturer and distributor information, exact product identifiers, lifecycle status, application guidance, and design considerations for the LT1633CS. It also distinguishes documented performance from unavailable pricing, environmental, and pin-level data so engineers can make traceable sourcing and design decisions.

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