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OP01Z/883 - Inverting High-Speed Op Amp | Calogic
OP01Z/883

OP01Z/883 - Inverting High-Speed Op Amp | Calogic

The OP01Z/883 is an inverting high-speed operational amplifier manufactured by Calogic, LLC, designed for military and aerospace applications. It is a hermetic ceramic dual-in-line package (CERDIP) device that meets the stringent requirements of MIL-STD-883, ensuring reliability in harsh environments. The amplifier features high slew rate and wide bandwidth, making it suitable for fast signal processing in precision instrumentation and control systems. An operational amplifier (op-amp) is a high-gain voltage amplifier with differential inputs and a single-ended output. It is a fundamental building block in analog electronics, used in signal conditioning, filtering, and mathematical operations. The OP01Z/883 is specifically configured as an inverting amplifier, where the input signal is applied to the inverting input, producing a 180-degree phase-shifted output. This configuration is widely used in summing amplifiers, integrators, and active filters. Key features of the OP01Z/883 include its high-speed performance, with a slew rate of [DATA_NEEDED: slew rate] and a gain-bandwidth product of [DATA_NEEDED: gain-bandwidth product]. It operates over a wide supply voltage range, typically ±[DATA_NEEDED: supply voltage range], and offers low input offset voltage and low input bias current for precision applications. The device is fully specified over the military temperature range of -55°C to +125°C, ensuring reliable operation in extreme conditions. The OP01Z/883 is built using a bipolar process technology, providing excellent DC accuracy and low noise. Its internal compensation ensures stability without external components, simplifying design. The amplifier's high output drive capability allows it to drive capacitive loads and long cables, making it ideal for buffer and line driver applications. Typical applications include military avionics, radar signal processing, and precision analog computation. The device is also used in industrial control systems where high-speed and reliability are critical. Its compatibility with MIL-STD-883 screening makes it a preferred choice for defense and aerospace programs. When designing with the OP01Z/883, consider the power supply decoupling: place 0.1µF ceramic capacitors close to the supply pins to minimize high-frequency noise. Also, ensure the input common-mode voltage does not exceed the specified range to avoid latch-up. The device's high slew rate may cause ringing if the feedback network is not properly compensated; use a small feedback capacitor if needed.

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OP07AZ/883 - Ultra-Low Offset Op Amp | Analog Devices | CDIP-8
OP07AZ/883

OP07AZ/883 - Ultra-Low Offset Op Amp | Analog Devices | CDIP-8

The OP07AZ/883 is a precision operational amplifier from Analog Devices, designed for ultra-low input offset voltage and drift. It is a military-grade version of the industry-standard OP07, qualified to MIL-STD-883, and housed in a hermetic 8-lead ceramic DIP (CDIP-8). The device features a maximum input offset voltage of 60 µV (for the /883 grade) and a typical offset drift of 0.2 µV/°C, making it ideal for precision instrumentation and data acquisition systems. An operational amplifier (op amp) is a high-gain voltage amplifier with differential inputs and a single-ended output. It is a fundamental building block in analog electronics, used in signal conditioning, filtering, and mathematical operations. The OP07 belongs to the family of precision op amps, which prioritize low offset voltage, low noise, and high stability over bandwidth. In the hierarchy of analog ICs, it sits under linear amplifiers, which are part of the broader category of analog signal processing components. Key features of the OP07AZ/883 include a low input bias current of 2 nA (typical), a high open-loop gain of 400 V/mV (minimum), and a common-mode rejection ratio (CMRR) of 120 dB (typical). The device operates from dual supplies of ±3 V to ±18 V and is specified over the full military temperature range of -55°C to +125°C. The CDIP-8 package provides hermetic sealing, ensuring reliability in harsh environments. Technically, the OP07 uses a bipolar process with laser-trimmed thin-film resistors to achieve its low offset voltage. The input stage is a super-beta transistor pair, which reduces input bias current while maintaining high gain. The output stage can drive loads as low as 2 kΩ, and the device is internally compensated for unity-gain stability. The /883 suffix indicates compliance with MIL-STD-883 test methods, including Group A, B, C, and D inspections. Typical applications include precision voltage references, thermocouple amplifiers, strain-gauge signal conditioning, and active filters. The low offset and drift ensure accurate DC performance, while the wide supply range allows use in both 5V and ±15V systems. The military temperature rating makes it suitable for aerospace and defense electronics. When designing with the OP07AZ/883, consider the input common-mode range, which extends from -12V to +13V with ±15V supplies. For best performance, use a guard ring around the input pins to minimize leakage currents, and bypass the supply pins with 0.1 µF ceramic capacitors.

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OP07CDR - Precision Low-Offset Op Amp | Texas Instruments
OP07CDR

OP07CDR - Precision Low-Offset Op Amp | Texas Instruments

The Texas Instruments OP07CDR is a single, precision operational amplifier with external input-offset-voltage adjustment, supplied in an 8-pin SOIC package. It is designed for instrumentation, measurement, and signal-conditioning circuits that require low offset, low noise, and a wide supply-voltage range. An operational amplifier is an active analog building block used to amplify, buffer, filter, or compare differential signals. Within the broader hierarchy, the OP07CDR is a voltage-feedback precision op amp, a type of analog amplifier used in measurement and control systems. Its eight-pin SOIC package supports conventional surface-mount PCB assembly. The verified distributor data identifies the OP07CDR as a standard general-purpose amplifier with one circuit, 600 kHz gain-bandwidth product, and 0.3 V/us slew rate. The device operates across approximately plus or minus 3 V to plus or minus 18 V supplies, with a 0 to 70 C temperature range reported by the verified component listing. The official Texas Instruments product page describes the device as a low-offset voltage single operational amplifier with external input-offset-voltage adjustment. The low-offset architecture is useful when amplification is applied to small sensor signals or precision measurement nodes, where input-referred offset can become a meaningful error. The wide supply range allows operation from single-supply-compatible systems when appropriate biasing is used through the dual-supply-compatible implementation. The 600 kHz bandwidth and 0.3 V/us slew rate suit general-purpose precision signal paths rather than high-speed video or RF amplification. Typical uses include instrumentation amplifiers, current-to-voltage conversion, low-level sensor interfaces, analog measurement chains, laboratory test equipment, and precision feedback networks. In these applications, the external offset adjustment allows board-level calibration when offset control is needed. Designers should provide stable decoupling close to the supply pins, verify input and output common-mode limits against the selected supply, and keep feedback components close to the amplifier for reduced parasitic effects. The TI product page identifies the OP07CDR as active and available in an SOIC package. This page consolidates verified distributor specifications, lifecycle information, sourcing data, and application guidance for engineers evaluating OP07CDR.

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OP11ARC/883 - Quad Precision Op-Amp, Military Grade | Analog Devices
OP11ARC/883

OP11ARC/883 - Quad Precision Op-Amp, Military Grade | Analog Devices

The OP11ARC/883 is a quad precision operational amplifier manufactured by Analog Devices (originally Precision Monolithics Inc.). It is designed for military-grade applications, operating over the full military temperature range of -55°C to +125°C. The device is housed in a 20-lead ceramic leadless chip carrier (LCC) package, also referred to as PQCC20, and is available in a square, no-lead terminal configuration. This op-amp features four independent amplifiers, each with a maximum input offset voltage of 1000 µV, and is fabricated using a bipolar process. An operational amplifier (op-amp) is a high-gain voltage amplifier with differential inputs and a single-ended output. It is a fundamental building block in analog electronics, used in signal conditioning, filtering, and mathematical operations. Op-amps are part of the broader category of linear integrated circuits, which also includes comparators, voltage regulators, and timers. The OP11ARC/883 is a quad version, meaning it integrates four op-amps in a single package, saving board space and reducing cost in multi-channel applications. Key features of the OP11ARC/883 include its military-grade temperature rating, which ensures reliable operation in harsh environments, and its low input offset voltage, which is critical for precision measurement and control systems. The device is also characterized by its bipolar technology, which provides excellent DC performance, including low noise and high gain. The package is designed for surface mounting, with a square shape and no-lead terminals, making it suitable for high-density PCB layouts. From a technical perspective, the OP11ARC/883 is designed to deliver stable performance over a wide range of operating conditions. The bipolar process ensures high input impedance and low bias currents, which are essential for maintaining accuracy in high-impedance circuits. The device also features internal frequency compensation, which simplifies design by eliminating the need for external compensation components. The military-grade qualification (indicated by the /883 suffix) means the device has been screened to meet stringent reliability standards, including burn-in and temperature cycling. Typical applications for the OP11ARC/883 include military avionics, aerospace instrumentation, and industrial control systems where precision and reliability are paramount. It is also used in test and measurement equipment, medical devices, and communication systems that require multiple op-amps in a compact form factor. The quad configuration is particularly useful in active filter designs, data acquisition systems, and servo control loops. When designing with the OP11ARC/883, it is important to consider the power supply decoupling. Place 0.1 µF ceramic capacitors close to the VCC and VEE pins to minimize noise and ensure stable operation. Additionally, the thermal characteristics of the ceramic LCC package should be considered; adequate PCB copper area is recommended to dissipate heat effectively.

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OP177BRC/883 - Ultraprecision Op Amp | Analog Devices
OP177BRC/883

OP177BRC/883 - Ultraprecision Op Amp | Analog Devices

The OP177BRC/883 is an ultraprecision operational amplifier from Analog Devices, designed for applications requiring extremely low offset voltage and drift. It features a maximum input offset voltage of 55 µV and a typical offset voltage drift of 0.1 µV/°C, ensuring high accuracy over temperature. The device operates with a supply current of 2.0 mA maximum and provides a nominal unity gain bandwidth of 600 kHz. It is packaged in a 20-lead ceramic leadless chip carrier (LCC-20), suitable for high-reliability military and aerospace applications. An operational amplifier (op amp) is a high-gain voltage amplifier with differential inputs and a single-ended output. It is a fundamental building block in analog electronics, used in signal conditioning, filtering, and instrumentation. The OP177 belongs to the precision op amp category, which prioritizes low offset voltage, low drift, and high open-loop gain over speed. This makes it ideal for applications where accuracy is paramount, such as precision instrumentation and sensor signal conditioning. Key features of the OP177BRC/883 include ultralow offset voltage (10 µV max for the B grade), outstanding offset voltage drift (0.1 µV/°C max), excellent open-loop gain and gain linearity, CMRR of 130 dB min, PSRR of 120 dB min, and low supply current of 2.0 mA max. These specifications ensure accurate performance in high closed-loop gain applications, making it a cost-effective alternative to chopper-stabilized amplifiers. The OP177 uses a bipolar input stage with laser-trimmed thin-film resistors to achieve its precision. The device operates from dual supplies ranging from ±3 V to ±18 V, and its output can swing close to the supply rails. The low noise and high gain make it suitable for precision integrators, active filters, and bridge amplifiers. Typical applications include precision instrumentation, thermocouple and RTD signal conditioning, strain gauge amplifiers, and high-resolution ADC drivers. The device's low offset and drift eliminate the need for external nulling in many circuits, simplifying design and improving long-term stability. When designing with the OP177BRC/883, ensure proper decoupling of the power supply pins with 0.1 µF ceramic capacitors placed close to the device. The ceramic package provides good thermal performance, but for high-precision applications, maintain a stable ambient temperature to minimize drift.

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OP177FM/TR - 25µV Precision Op Amp | Analog Devices
OP177FM/TR

OP177FM/TR - 25µV Precision Op Amp | Analog Devices

The Analog Devices OP177FM/TR is a single-channel precision operational amplifier with 25 µV maximum input offset voltage, 0.3 µV/°C maximum offset voltage drift, and a 12 V/µV open-loop gain, supplied in an 8-pin surface-mount package. It is designed for instrumentation, sensor, measurement, and feedback applications where low offset and stable accuracy over temperature are more important than wide bandwidth. The OP177 family combines low offset, high common-mode rejection, high power-supply rejection, and low supply current in a conventional operational-amplifier architecture. An operational amplifier is an analog integrated circuit that amplifies the voltage difference between its differential inputs. It is widely used in sensor interfaces, active filters, voltage references, current measurements, and control loops. The OP177 belongs to the precision operational-amplifier category, where input offset voltage, drift, bias current, noise, and common-mode performance determine the accuracy of the complete measurement chain. The OP177 datasheet identifies offset voltage as low as 25 µV maximum at room temperature and offset voltage drift as low as 0.3 µV/°C maximum. Its open-loop gain is 12 V/µV and is maintained over the full ±10 V output range. Minimum common-mode rejection is 130 dB, while minimum power-supply rejection is 120 dB. Maximum supply current is 2 mA. These characteristics support high-accuracy closed-loop operation and reduce errors caused by input imbalance, common-mode voltage, and supply variation. The OP177 architecture is intended for precision signal conditioning rather than high-speed waveform processing. Its low offset and low drift reduce calibration requirements and improve repeatability across temperature. The high common-mode rejection supports sensing around ground-level or otherwise varying common-mode signals, while the high power-supply rejection reduces sensitivity to supply ripple. Stable operation at low supply current also makes the device suitable for battery-powered and compact instrumentation, subject to the exact supply and load conditions specified in the datasheet. Typical applications include strain-gauge and pressure-sensor amplifiers, low-level voltage measurement, precision current-to-voltage conversion, bridge amplifiers, laboratory instrumentation, and high-accuracy feedback networks. In these systems, the OP177 can reduce the contribution of input-referred offset and temperature drift, allowing the front end to preserve more of the sensor signal. The actual accuracy still depends on resistor tolerances, reference quality, noise bandwidth, layout, supply bypassing, and calibration method. When placing the OP177 in a design, keep the input and feedback components close to the device and use low-leakage, low-thermal-gradient resistors when offset is critical. Check the required common-mode voltage and output swing against the selected supply rails before finalizing the schematic. Decoupling capacitors should follow the datasheet recommendations, and the PCB should minimize leakage paths around high-impedance input nodes. This product page combines the verified manufacturer specifications, distributor pricing references, package information, and design considerations needed for an engineering comparison.

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OP177FSZ-REEL - Ultraprecision Op Amp, 25uV VOS, 8-SOIC | ADI
OP177FSZ-REEL

OP177FSZ-REEL - Ultraprecision Op Amp, 25uV VOS, 8-SOIC | ADI

The Analog Devices OP177FSZ-REEL is an ultraprecision operational amplifier featuring an ultralow offset voltage of 25 uV maximum and offset voltage drift of 0.1 uV/degree C maximum, housed in an 8-pin SOIC (FS package) supplied on a 7-inch reel. It combines a precision bandgap reference front end with a bipolar input stage to deliver chopper-class DC accuracy without the noise, spike, size, and storage-capacitor drawbacks typical of chopper-stabilized amplifiers. An operational amplifier is a high-gain DC-coupled differential amplifier that forms the universal analog building block for signal conditioning, filtering, amplification, and comparison. Precision op amps such as the OP177 are a sub-class optimized for very low input-referred offset, low drift over the operating temperature range, high open-loop gain, high common-mode rejection, and high power-supply rejection. They sit within the hierarchy op amp -> amplifier IC -> integrated circuit -> semiconductor and are widely used where measurement accuracy directly depends on the amplifier rather than on downstream calibration. The OP177FSZ-REEL delivers 12 V/uV typical open-loop gain with excellent gain linearity, 130 dB minimum CMRR, 115 dB minimum PSRR, and a maximum supply current of 2.0 mA. Its low noise bipolar input stage eliminates the need for external VOS adjustment, simplifying factory calibration and improving long-term system accuracy across industrial temperature ranges. Architecturally, the device uses a monolithic bipolar process with on-chip laser trimming of thin-film resistors to achieve the 25 uV maximum VOS specification. The high open-loop gain and gain linearity preserve accuracy in high closed-loop gain configurations such as 100x or 1000x instrumentation front ends. Typical applications include precision instrumentation amplifiers, strain-gauge and thermocouple signal conditioning, high-accuracy analog front ends for data acquisition systems, precision voltage references and regulators, and high-resolution weighing scales. It is also commonly used as a low-drift buffer for DAC outputs and ADC reference chains. When designing with the OP177FSZ-REEL, pay attention to input bias current paths and use guarding on the input traces to minimize leakage on high-impedance sources. The 8-SOIC package allows standard PCB layouts and accepts standard decoupling - a 0.1 uF ceramic close to the supply pins and a larger bulk capacitor at the board supply entry. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone.

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OP177GPZ - Ultraprecision Op Amp, 8-PDIP | Analog Devices
OP177GPZ

OP177GPZ - Ultraprecision Op Amp, 8-PDIP | Analog Devices

The OP177GPZ from Analog Devices is an ultraprecision operational amplifier in an 8-pin PDIP package. It offers one of the highest precision performances of any operational amplifier currently available, with a maximum offset voltage of 25 µV at room temperature and an exceptional offset voltage drift (TCVOS) of 0.3 µV/°C maximum. This low noise, bipolar input operational amplifier is a cost-effective alternative to chopper-stabilized amplifiers, providing chopper-type performance without the usual problems of high noise, low frequency chopper spikes, large physical size, limited common-mode input voltage range, and bulky external storage capacitors. An operational amplifier (op amp) is a high-gain voltage amplifier with differential inputs and a single-ended output. It is a fundamental building block in analog electronics, used in signal conditioning, filtering, and mathematical operations. Op amps are categorized into general-purpose, precision, high-speed, and instrumentation types. The OP177 belongs to the precision category, which prioritizes low offset voltage, low drift, and low noise over speed. Precision op amps are essential in applications requiring accurate amplification of small signals, such as sensor interfaces, data acquisition systems, and precision instrumentation. Key features of the OP177GPZ include a maximum input offset voltage of 25 µV, a maximum offset voltage drift of 0.3 µV/°C, and a low input bias current. It operates from dual supplies of ±3 V to ±18 V, with a typical supply current of 1.6 mA. The device has a gain bandwidth product of 600 kHz and a slew rate of 0.3 V/µs. It is specified for operation over the industrial temperature range of -40°C to +85°C. The OP177GPZ is available in an 8-pin PDIP package, which is suitable for through-hole PCB assembly. Technically, the OP177 uses a bipolar transistor input stage, which provides low noise and low offset voltage. The device is laser-trimmed during manufacturing to achieve its precision specifications. The OP177's architecture ensures stable operation in high closed-loop gain configurations, making it suitable for precision amplifiers, active filters, and voltage references. Its low noise and low drift characteristics make it an excellent choice for applications requiring high DC accuracy. Typical applications include precision instrumentation, thermocouple and RTD signal conditioning, strain gauge amplifiers, and precision voltage references. The OP177GPZ is also used in data acquisition systems, medical instrumentation, and industrial process control. Its high precision and low noise ensure accurate signal processing in these demanding applications. When designing with the OP177GPZ, ensure proper power supply decoupling with 0.1 µF ceramic capacitors close to the supply pins. The device's low offset voltage and drift make it ideal for DC-coupled applications, but attention to PCB layout is necessary to minimize thermocouple effects and leakage currents.

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OP177GSZ - Ultraprecision Op Amp | Analog Devices | 8-SOIC
OP177GSZ

OP177GSZ - Ultraprecision Op Amp | Analog Devices | 8-SOIC

The OP177GSZ from Analog Devices is an ultraprecision operational amplifier in an 8-pin SOIC package. It combines low offset voltage, low drift, and low noise to deliver chopper-stabilized performance without the typical drawbacks of chopper amplifiers, such as high noise and large external capacitors. This makes it a cost-effective choice for precision instrumentation and high closed-loop gain applications. An operational amplifier (op amp) is a high-gain voltage amplifier with differential inputs and a single-ended output. It is a fundamental building block in analog signal processing, used in configurations like inverting, non-inverting, and differential amplifiers. Op amps are part of the broader category of linear integrated circuits, which also includes comparators and voltage regulators. The OP177GSZ is a general-purpose precision op amp, designed for applications requiring excellent DC accuracy. Key features of the OP177GSZ include a maximum input offset voltage of 60 µV, a temperature drift of 0.3 µV/°C, and a low input bias current of 2.8 nA. It operates from a supply voltage range of ±3 V to ±18 V and offers a gain bandwidth product of 600 kHz. The device also features a high open-loop gain of 120 dB and a common-mode rejection ratio of 120 dB, ensuring accurate performance in demanding circuits. The OP177GSZ uses a bipolar input stage, which provides low noise and low offset. Its architecture is optimized for precision DC applications, with a slew rate of 0.3 V/µs and a settling time of 2.8 µs to 0.01%. The device is fully specified over the industrial temperature range of -40°C to +85°C, making it suitable for a wide range of environments. Typical applications include precision instrumentation, thermocouple amplifiers, strain gauge amplifiers, and active filters. Its low offset and drift make it ideal for bridge amplifiers and data acquisition systems where accuracy is critical. The OP177GSZ is also used in medical instrumentation and industrial process control. When designing with the OP177GSZ, ensure proper decoupling of the power supply pins with 0.1 µF ceramic capacitors placed close to the device. The input common-mode voltage range should be respected to avoid output phase reversal. For best performance, use precision resistors in the feedback network to maintain overall accuracy.

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OP177GSZ-REEL7 - Ultraprecision Op Amp | Analog Devices
OP177GSZ-REEL7

OP177GSZ-REEL7 - Ultraprecision Op Amp | Analog Devices

The OP177GSZ-REEL7 from Analog Devices is an ultraprecision operational amplifier in an 8-pin SOIC package, offering one of the highest precision performances available. It features a maximum offset voltage of 25 µV at room temperature and an offset voltage drift of 0.3 µV/°C, eliminating the need for external nulling and ensuring accuracy over temperature. The device operates from dual supplies of ±3 V to ±18 V and provides a gain-bandwidth product of 600 kHz with a slew rate of 0.3 V/µs. Its low noise, bipolar input stage makes it a cost-effective alternative to chopper-stabilized amplifiers, delivering chopper-type performance without the associated noise spikes or external capacitors. An operational amplifier (op amp) is a high-gain voltage amplifier with differential inputs and a single-ended output, used in analog signal conditioning, filtering, and mathematical operations. The OP177 belongs to the precision op amp category, which prioritizes low offset voltage, low drift, and low noise over speed. In the hierarchy of analog ICs, it sits under linear amplifiers, which are fundamental building blocks in instrumentation, control systems, and data acquisition. Precision op amps like the OP177 are essential in applications where small signals must be amplified without introducing significant error. Key features of the OP177GSZ-REEL7 include a maximum input offset voltage of 25 µV, a typical input bias current of 1.2 nA, and a common-mode rejection ratio of 120 dB. The device also offers a large signal voltage gain of 120 dB and operates over the industrial temperature range of -40°C to +85°C. The SOIC-8 package is widely used and easy to integrate, and the REEL7 suffix indicates tape-and-reel packaging for automated assembly. Technically, the OP177 uses a bipolar transistor input stage, which provides low noise and low offset. The internal architecture includes a precision bandgap reference and laser-trimmed resistors to achieve the tight specifications. The device is designed for high closed-loop gain applications where accuracy is critical, and its low noise ensures minimal signal degradation. The OP177 is also available in other package options, such as the OP177GPZ in DIP-8, and in automotive and military grades. Typical applications include precision instrumentation, thermocouple amplifiers, strain gauge signal conditioning, and active filters. In these roles, the OP177's low offset and drift ensure accurate measurement, while its low noise preserves signal integrity. The device is also used in medical devices, industrial process control, and test equipment. When designing with the OP177, ensure proper decoupling of the power supply pins with 0.1 µF ceramic capacitors placed close to the device. The input common-mode range extends to within 1.5 V of the supply rails, so avoid exceeding this range to maintain linearity. For best performance, use a ground plane and keep feedback paths short to minimize parasitic capacitance.

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OP2177ARMZ-REEL - Dual Precision Low Noise Op Amp | ADI | 8-MSOP
OP2177ARMZ-REEL

OP2177ARMZ-REEL - Dual Precision Low Noise Op Amp | ADI | 8-MSOP

The Analog Devices OP2177ARMZ-REEL is a dual precision operational amplifier from the OPx177 family, delivering very low offset voltage (60 µV maximum), ultra-low input bias current (2 nA maximum), and 8 nV/√Hz typical low noise density in a compact 8-pin MSOP package. Featuring 1.3 MHz gain-bandwidth product, 0.7 V/µs slew rate, and CMRR/PSRR/AVO exceeding 120 dB minimum, the device operates from ±2.5 V to ±15 V dual supplies or +5 V to +30 V single supply with under 500 µA quiescent current per amplifier. Internal 500 Ω series output resistors and stable operation into capacitive loads above 1000 pF without external compensation make the OP2177 well-suited for bridge conditioning, photodiode transimpedance, and precision active filter stages. An operational amplifier (op amp) is a high-gain DC-coupled electronic voltage amplifier with differential inputs and a single-ended output. Within the analog IC hierarchy, the op amp sits below the instrumentation amplifier and above the simple amplifier stage; precision op amps add tight offset, drift, bias-current, and noise specifications that distinguish them from general-purpose variants such as the LM358 or µA741. The OP2177 belongs to the linear amplifier subcategory of integrated circuits and is widely specified in data acquisition front-ends, medical instrumentation, and precision transducer signal chains where microvolt-level signals must be amplified without adding meaningful error. Key features that differentiate the OP2177 include: 60 µV max offset voltage for accurate DC gain stages, 0.7 µV/°C max offset drift preserving accuracy across -40 °C to +125 °C, 2 nA max input bias current reducing errors with high-impedance sources, 8 nV/√Hz voltage noise density supporting low-impedance transducer preamps, 120 dB minimum PSRR rejecting supply-borne noise in mixed-signal systems, and unity-gain stability up to 1000 pF loads enabling direct drive of long cables or filter capacitors. The 8-MSOP (RM-8) package with exposed pad supports compact PCB layouts while providing adequate thermal dissipation for the 500 µA per-amplifier bias budget. Architecturally, the OP2177 uses a bipolar-JFET input stage combined with a precision laser-trimmed offset trim scheme that holds initial offset to 60 µV without the field calibration that competing CMOS chopper-stabilized op amps require. Its 500 Ω internal output resistors limit fault current in the event of output shorts and create a small R-C snubbing effect that explains the 1000 pF capacitive-load stability. The result is a true drop-in classic-precision dual op amp that does not require external compensation, FET-input bias currents, or autozero warm-up cycles. Typical applications for the OP2177ARMZ-REEL include precision weigh scales and strain-gauge bridges, thermocouple and RTD front-end amplifiers, active filters and integrators, instrumentation amplifiers built from a quad-OP2177, buffer stages for 16-to-24-bit ADCs, photo-detector transimpedance preamps, audio summing and crossover networks, and portable instrumentation powered from battery rails. When designing with the OP2177ARMZ-REEL, always use 0.1 µF ceramic decoupling close to the supply pins and place feedback resistors near the inverting input to limit parasitic capacitance that would otherwise degrade phase margin. Although the outputs tolerate over 1000 pF, keep load capacitance at the inverting node minimal to preserve the 1.3 MHz gain-bandwidth product and avoid oscillation in unity-gain buffers. This page synthesizes Analog Devices datasheet specifications, distributor stock-and-price data, same-family cross references, and drop-in pin-compatible alternatives not found in a single product brief.

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OP2177ARZ - Dual Precision Low Noise Op Amp | Analog Devices
OP2177ARZ

OP2177ARZ - Dual Precision Low Noise Op Amp | Analog Devices

The OP2177ARZ from Analog Devices is a dual, precision, low-noise operational amplifier in an 8-lead SOIC package. It features extremely low offset voltage of 60 µV maximum, very low offset voltage drift of 0.7 µV/°C maximum, and low input bias current of 2 nA maximum. The amplifier operates from dual supplies of ±2.5 V to ±15 V and draws a low supply current of 400 µA per amplifier, making it suitable for battery-powered and precision instrumentation applications. An operational amplifier (op amp) is a high-gain voltage amplifier with differential inputs and a single-ended output. It is a fundamental building block in analog electronics, used in signal conditioning, filtering, and mathematical operations. The OP2177 belongs to the precision op amp category, which prioritizes low offset voltage, low drift, and low noise over speed. Precision op amps are essential in applications where accuracy and stability are critical, such as medical instrumentation, industrial process control, and precision data acquisition systems. Key features of the OP2177ARZ include a low noise density of 8 nV/√Hz typical, high common-mode rejection ratio (CMRR), power supply rejection ratio (PSRR), and open-loop gain (AVO) all greater than 120 dB minimum. The output stage is stable with capacitive loads over 100 pF, and the device is specified over the extended industrial temperature range of -40°C to +125°C. The 8-lead SOIC package is compact and widely used, facilitating easy PCB layout and manufacturing. The OP2177 uses a precision bipolar process with laser-trimmed thin-film resistors to achieve its low offset and drift. The architecture provides excellent DC performance without the need for external nulling, simplifying design. The low supply current and wide supply range make it versatile for both single-supply and dual-supply applications. The device is fully specified for operation from -40°C to +125°C, ensuring reliable performance in harsh environments. Typical applications include precision instrumentation, thermocouple and RTD signal conditioning, active filters, and precision voltage references. The low noise and low offset make it ideal for high-resolution ADC driver circuits and sensor front-ends. In these applications, the OP2177's low noise ensures minimal signal degradation, while its low offset voltage maintains accuracy over temperature. When designing with the OP2177ARZ, ensure proper power supply decoupling with 0.1 µF ceramic capacitors close to the supply pins. The input common-mode range extends to the negative rail, but for best performance, keep inputs within the specified common-mode range. The output can swing close to the rails, but avoid heavy loads that may degrade linearity.

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OP2177ARZ-REEL - Dual Precision Low-Noise Op Amp | Analog Devices
OP2177ARZ-REEL

OP2177ARZ-REEL - Dual Precision Low-Noise Op Amp | Analog Devices

The Analog Devices OP2177ARZ-REEL is a dual precision operational amplifier from the OPx177 family, featuring extremely low offset voltage, low input bias current, low noise, and low power consumption. Housed in an 8-pin SOIC (R-8) package, this general-purpose amplifier integrates two op-amp channels on a single die, delivering 1.3 MHz gain-bandwidth product and rail-to-rail output swing capability for single-supply or dual-supply operation from ±2.5 V to ±15 V. A precision operational amplifier is a specialized analog IC designed to amplify the difference between two input voltages with high accuracy, minimal added noise, and minimal input-referred offset. Within the hierarchy of integrated circuits, the op-amp sits between basic amplifiers and complex signal-conditioning ASICs, and the precision low-noise variant specifically targets instrumentation, sensor signal chains, and audio front-ends where the amplifier must add negligible error to the input signal. Key features of the OP2177ARZ-REEL include maximum offset voltage of 60 µV typical, low input bias current in the nanoampere range, 8 nV/√Hz typical input voltage noise density, and stable operation with capacitive loads exceeding 1000 pF without external compensation. Outputs are stable with capacitive loads of over 1000 pF, simplifying PCB design in mixed-technology boards. The SOIC-8 (R-8) narrow-body package supports surface-mount reflow profiles and standard tape-and-reel packaging for high-volume assembly. Architecturally, the OP2177 uses precision bipolar input stages with laser-trimmed offset adjustment, achieving 0.7 µV/°C typical offset drift. The amplifier operates from a single supply as low as 5 V up to ±15 V dual rails and includes internal ESD protection on the inputs. The 1.3 MHz unity-gain bandwidth and 0.5 V/µs typical slew rate suit audio bandwidth, instrumentation, and active-filter applications rather than high-speed signal chains. Typical applications include precision instrumentation amplifiers, strain-gauge and thermocouple signal conditioning, active filters, audio preamplifiers, motor-control current-sense amplifiers, and reference buffers for high-resolution ADCs. The dual-channel integration saves board space versus two discrete single-channel op-amps while maintaining matched channel characteristics. For instrumentation, the low input bias current minimizes error across high-impedance sensor sources. When designing with the OP2177ARZ-REEL, place the device close to the sensor to minimize noise pickup on high-impedance input traces, and add 0.1 µF decoupling capacitors close to the supply pins. For dual-supply operation, ensure common-mode input range includes ground for true zero-sensing applications. This page synthesizes distributor pricing, drop-in SOIC-8 alternatives from Analog Devices and competitors, and practical design notes not found in the manufacturer datasheet alone.

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OP2177ARZ-REEL7 - Dual Precision Low Noise Op Amp 1.3MHz | ADI
OP2177ARZ-REEL7

OP2177ARZ-REEL7 - Dual Precision Low Noise Op Amp 1.3MHz | ADI

The Analog Devices OP2177ARZ-REEL7 is a dual, precision low-noise operational amplifier from the OPx177 family, offered in an 8-pin SOIC package on a 7-inch tape-and-reel. It features a 1.3 MHz gain-bandwidth product, 0.7 V/us slew rate, 15 uV typical input offset voltage, and 7.9 nV/rt(Hz) voltage noise density at 1 kHz. The amplifier operates from dual supplies of +/-2.5 V to +/-15 V. An operational amplifier (op amp) is a high-gain, differential-input, single-ended-output voltage amplifier that serves as a fundamental building block in analog electronics. Op amps are categorized by parameter emphasis into general-purpose, precision, low-noise, high-speed, and low-power families. The OP2177 belongs to the precision low-noise family, which optimizes DC accuracy (Vos, Ib, drift) alongside low spectral noise density for high-resolution measurement systems where both linearity and signal-to-noise ratio matter. Key features include an input offset voltage drift of 0.1 uV/degree C, a typical input bias current of 0.5 nA, and 500 uA quiescent current per amplifier. The bipolar input stage uses laser-trimmed thin-film resistors to achieve sub-100 uV offset without external nulling. Outputs are stable with capacitive loads exceeding 100 pF, which simplifies buffer and cable-driving designs by eliminating the need for isolation resistors. The OP2177 architecture pairs a precision bipolar input pair with a class AB output stage, delivering 10 mA minimum output current while keeping supply current below 1 mA per channel. The result is an amplifier suitable for low-power instrumentation that must still drive moderate loads such as ADC reference ladders, audio line outputs, and active-filter capacitors. Typical applications include precision data-acquisition front ends, thermocouple and RTD signal conditioning, precision active filters, and four-wire sensor current sensing. The 8-pin SOIC pinout is industry-standard, simplifying PCB retrofits into legacy OP-213 / OP-2177 sockets. When designing with this device, place 0.1 uF decoupling capacitors within 5 mm of pins 4 and 8, and keep input traces short. For best noise performance, choose low-impedance feedback networks (under 10 kohm) and avoid high-impedance nodes exposed to EMI. This page integrates distributor pricing, drop-in alternatives, and practical design notes beyond the manufacturer's datasheet to accelerate component selection and BOM optimization.

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OP27AJ/883C - Low Noise Precision Op Amp | Analog Devices
OP27AJ/883C

OP27AJ/883C - Low Noise Precision Op Amp | Analog Devices

The OP27AJ/883C is a low-noise, precision operational amplifier from Analog Devices, packaged in a hermetic TO-99-8 metal can. It combines the low offset and drift of the OP07 with high speed and low noise, making it ideal for precision instrumentation. Key specifications include a gain-bandwidth product of 8 MHz, a slew rate of 2.8 V/µs, and a maximum input offset voltage of 25 µV with a drift of 0.6 µV/°C. The device operates over a wide supply range and is specified for the military temperature range (-55°C to +125°C), reflecting its 883C military-grade qualification. An operational amplifier (op amp) is a high-gain voltage amplifier with differential inputs and a single-ended output. It is a fundamental building block in analog electronics, used in signal conditioning, filtering, and mathematical operations. Op amps are categorized within the broader hierarchy of linear integrated circuits, which also includes comparators, voltage regulators, and instrumentation amplifiers. The OP27 belongs to the precision op amp subcategory, distinguished by low offset voltage, low drift, and low noise, essential for high-accuracy measurement systems. Key features of the OP27AJ/883C include ultra-low input noise voltage density of 3 nV/√Hz at 1 kHz, ensuring minimal signal degradation in sensitive applications. The device also offers a high open-loop gain of 1.8 million (125 dB), providing excellent linearity and accuracy. Its bipolar input stage with input bias current cancellation achieves low offset and drift without the need for external trimming. The TO-99-8 hermetic package provides robust environmental protection, suitable for harsh military and aerospace environments. Technically, the OP27 uses a classic bipolar process with a precision laser-trimmed thin-film resistor network to achieve its low offset and drift. The input stage is designed for low noise, with a noise voltage of 3 nV/√Hz and a current noise of 0.4 pA/√Hz. The device is internally compensated for unity-gain stability, simplifying design. It can operate from dual supplies ranging from ±4 V to ±18 V, or single supplies from 8 V to 36 V, offering flexibility in various circuit configurations. Typical applications include precision instrumentation amplifiers, thermocouple and strain-gauge signal conditioning, active filters, and data acquisition systems. The OP27's low noise and high gain make it suitable for medical instrumentation, such as ECG and EEG amplifiers, where signal integrity is critical. Its military-grade qualification ensures reliable operation in avionics and defense systems. When designing with the OP27AJ/883C, consider its input bias current of ±40 nA, which may require balancing resistors in high-impedance circuits. Additionally, the TO-99 metal can package requires careful handling to avoid damage to the leads. Proper decoupling of the power supply pins with 0.1 µF capacitors is recommended to maintain stability and reduce noise.

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OP284FSZ-REEL7 - Dual 4MHz Rail-to-Rail Op Amp | ADI
OP284FSZ-REEL7

OP284FSZ-REEL7 - Dual 4MHz Rail-to-Rail Op Amp | ADI

The Analog Devices OP284FSZ-REEL7 is a dual-channel precision operational amplifier featuring rail-to-rail input and output swing, 4 MHz unity-gain bandwidth, and 4 V/us slew rate, all delivered from a single 8-pin SOIC_N package with tape-and-reel packaging for high-volume assembly. Each of the two amplifier channels operates from a single supply of 3 V to 36 V (or split +/-1.5 V to +/-18 V) and is rated for industrial temperature ranges of -40C to +125C. A precision rail-to-rail operational amplifier (often shortened to RRIO op amp) is a linear amplifier whose input common-mode and output swing can traverse both supply rails, enabling maximum dynamic range in low-voltage single-supply systems. The OP284 belongs to the broader hierarchy of operational amplifiers -> amplifiers -> analog ICs -> signal conditioning, where it is positioned for applications that demand both ac precision (wide bandwidth, low distortion) and dc precision (low offset, low bias current) in one device. Key features of the OP284FSZ-REEL7 include 4.25 MHz gain-bandwidth product, 4 V/us typical slew rate, 65 uV maximum input offset voltage, and rail-to-rail input and output operation on a single 3 V to 36 V supply. It is also characterized for low distortion and low noise, making it well suited for driving audio-class signal chains directly from low-impedance battery or USB rails. The OP284 uses a bipolar transistor input stage combined with a complementary output stage to deliver true rail-to-rail input and output performance. Per the manufacturer datasheet, the part is specified for operation across the full industrial temperature range and is fabricated on ADI's precision bipolar process, which trades slightly higher input bias current for very low input offset voltage drift over temperature. Typical applications include battery-powered instrumentation, portable audio front-end buffers, ADC and DAC driver circuits, active filter stages on a single supply, signal conditioning for industrial sensors (4-20 mA loops, strain gauges), and replacement of legacy OP-27-style amplifiers in modern single-rail designs. Its rail-to-rail swing also makes it attractive for multichannel data-acquisition front ends where every millivolt of headroom matters. Designers should bias the unused channel in a dual part (tie the non-inverting input to mid-supply and let the output sit at the rail) to minimize quiescent current draw and to prevent the unused section from oscillating and injecting noise into adjacent channels. This page synthesizes distributor pricing, same-brand and cross-brand drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet alone to accelerate component selection.

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OP295GSZ-REEL - Dual 85kHz Rail-to-Rail Op Amp | Analog Devices
OP295GSZ-REEL

OP295GSZ-REEL - Dual 85kHz Rail-to-Rail Op Amp | Analog Devices

The Analog Devices OP295GSZ-REEL is a dual, CBCMOS rail-to-rail operational amplifier in an 8-pin SOIC package (8-SOIC, 0.154" / 3.90 mm width), supplied on a 2500-piece tape-and-reel. The device delivers 75 uV max offset, 85 kHz gain-bandwidth product, and 0.03 V/us slew rate from a +/-1.5 V to +/-18 V (or single 3 V to 36 V) supply, drawing only 375 uA of supply current per amplifier. A rail-to-rail op amp (operational amplifier) is an analog amplifier whose output voltage swing reaches both the positive and the negative supply rails. Unlike a conventional op amp whose output can only approach within ~1-2 V of either rail, the rail-to-rail topology enables full dynamic range use of low-voltage supplies. Rail-to-rail amps sit in the broader hierarchy of op amps -> amplifiers -> analog ICs -> signal conditioning -> mixed-signal semiconductors, and they are essential building blocks whenever the signal swing must span the full supply range of a 5 V or 3.3 V system. Key features of the OP295 include true bipolar front-end stages combined with CMOS output stages (the CBCMOS architecture), which yield lower voltage noise (15 nV/sqrt(Hz) typical) and higher DC accuracy than pure-CMOS rail-to-rail parts. The OP295 output swings to within 5 mV of either rail at 10 kohm load and within 10 mV at 2 kohm load, while the input common-mode range includes both rails, providing true zero-in/zero-out capability for single-supply 3.3 V and 5 V systems. The CBCMOS architecture combines a bipolar input differential pair with CMOS output drivers, preserving the low offset drift (5 uV/C max) and low bias current (20 nA max) of precision bipolar amplifiers while delivering the rail-to-rail output swing that pure bipolar parts cannot. This makes the OP295 well suited for instrumentation buffers, sensor signal chains, and audio pre-amplifiers operating from a single low-voltage rail. Typical applications include portable instrumentation, precision signal conditioning for sensors, low-voltage single-supply data acquisition front-ends, audio pre-amplifier stages, and battery-powered transducer amplifiers. The wide supply range (3 V to 36 V single-supply) also allows the part to operate directly from industrial 24 V buses with no additional regulation. When designing with the OP295, remember that the input common-mode range extends to both rails, but the input stage uses bipolar transistors, so input bias current (~20 nA max) flows even when the inputs are near either rail. A 10 kohm feedback resistor network is a practical starting point; lower impedances waste quiescent current, higher impedances invite leakage and pickup.

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OP297GSZ - Dual Precision Op Amp, 50µV Offset, SOIC-8 | Analog Devices
OP297GSZ

OP297GSZ - Dual Precision Op Amp, 50µV Offset, SOIC-8 | Analog Devices

The Analog Devices OP297GSZ is a dual low-bias-current precision operational amplifier that combines precision performance with low power consumption in the industry-standard 8-pin SOIC package. It features a maximum input offset voltage under 50µV and offset drift below 0.6µV/°C, delivering precision previously reserved for larger packages. Each amplifier channel operates with extremely low input bias current (typically below 100pA), making the OP297 suitable for high-impedance sensor front-ends. An operational amplifier is a high-gain DC-coupled electronic voltage amplifier with differential inputs and a single-ended output, used as the fundamental building block of analog signal conditioning. Precision op amps extend this baseline with low offset, low drift, low noise, and high open-loop gain, enabling accurate amplification of millivolt-level signals without introducing errors. The OP297 belongs to the precision amplifier family within integrated circuits, sitting between general-purpose op amps (such as the LM358) and chopper-stabilized specialty amplifiers. Key specifications include a 500 kHz gain-bandwidth product, 150 mV/µs slew rate, open-loop gain exceeding 2000 V/mV, and supply current of typically 625 µA per amplifier. The device operates from ±2V to ±20V dual supplies (or +5V to +40V single supply), supporting both battery-powered and industrial ±15V analog systems. Its input stage is laser-trimmed for low offset, eliminating the need for external nulling in most applications. The OP297 employs a bipolar input stage optimized for picoampere-level bias currents, achieving precision levels that previously required JFET or chopper-stabilized inputs. Internal compensation provides stable unity-gain operation without external components, while the dual matched design ensures channel-to-channel tracking for instrumentation and differential amplifier circuits. Typical applications include precision strain-gauge and thermocouple signal conditioning, medical instrumentation amplifiers, active filters, precision integrators, and high-impedance sensor interfaces. The 8-pin SOIC footprint allows direct replacement of general-purpose dual op amps such as the LM358 or TL082 in precision upgrades without board re-layout. When designing with the OP297, observe the standard ±20V maximum supply limit and ensure input common-mode voltage stays within the specified range. The low input bias current means standard PCB cleanliness practices suffice, eliminating the Teflon standoff requirements of older electrometer-grade amplifiers. This page synthesizes distributor pricing, drop-in SOIC-8 alternatives from the OP297 family, and practical analog design notes not found in the manufacturer datasheet alone.

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OP42ARC/883C - Fast Precision JFET Op Amp | Analog Devices
OP42ARC/883C

OP42ARC/883C - Fast Precision JFET Op Amp | Analog Devices

The OP42ARC/883C is a fast precision JFET-input operational amplifier from Analog Devices, designed for high-speed, high-accuracy signal conditioning. It delivers a symmetric 58 V/µs slew rate and is internally compensated for unity-gain stability, making it ideal for applications requiring fast settling and wide bandwidth. The device operates from a supply voltage of ±15 V and features a low input bias current of 20 nA, a common-mode rejection ratio of 94 dB, and a wide full-power bandwidth of 900 kHz. Housed in a 20-lead ceramic leadless chip carrier (CLCC-20), it is specified for the military temperature range of -55°C to +125°C, ensuring reliable performance in harsh environments. An operational amplifier (op amp) is a high-gain voltage amplifier with differential inputs and a single-ended output, used to perform mathematical operations such as addition, subtraction, integration, and differentiation in analog circuits. The OP42 belongs to the JFET-input op amp family, which offers very high input impedance and low input bias current, making it suitable for precision instrumentation and sensor interfaces. As a linear integrated circuit, it is a fundamental building block in analog signal processing, bridging the gap between sensors and analog-to-digital converters. Key features of the OP42ARC/883C include its symmetric slew rate of 58 V/µs, which ensures symmetrical large-signal response, and a fast settling time of 800 ns to 0.01%, enabling accurate acquisition in high-speed data acquisition systems. The device also offers a supply current of less than 6 mA, making it power-efficient for its speed class. Its JFET input stage provides low input bias current and high input impedance, reducing loading on high-impedance sources. The device is internally compensated for unity-gain operation, simplifying design and ensuring stability without external components. Technically, the OP42 uses a JFET input stage followed by a precision bipolar output stage, achieving a balance between speed and DC accuracy. The device is designed to upgrade circuits using the AD544, AD611, AD711, and LF400 by direct replacement, and it conforms to the standard 741 pinout with nulling to V-. This pin compatibility allows for easy upgrades in existing designs. The device's wide full-power bandwidth of 900 kHz and fast settling time make it suitable for high-frequency signal processing, while its low offset voltage and drift ensure precision in DC applications. Typical applications include high-speed data acquisition systems, precision instrumentation, active filters, and fast servo control loops. The OP42's high slew rate and settling time make it ideal for driving analog-to-digital converters (ADCs) and sample-and-hold circuits, where fast and accurate signal acquisition is critical. Its JFET input stage is also well-suited for photodiode amplifiers and other high-impedance sensor interfaces. When designing with the OP42ARC/883C, consider the supply voltage and decoupling. Use 0.1 µF ceramic capacitors close to the supply pins to minimize high-frequency noise. For optimal performance, ensure the input common-mode voltage stays within the specified range and provide adequate output load isolation if driving capacitive loads.

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OP42AZ - High Speed Precision JFET Op Amp | Analog Devices
OP42AZ

OP42AZ - High Speed Precision JFET Op Amp | Analog Devices

The OP42AZ is a high-speed, fast-settling precision operational amplifier from Analog Devices, featuring a JFET input stage for low input bias current and high input impedance. It is housed in an 8-pin CERDIP package and operates from dual supplies up to ±18V. The device delivers a symmetric slew rate of 58V/µs and is internally compensated for unity-gain stability, making it suitable for high-speed signal conditioning and data acquisition systems. An operational amplifier (op amp) is a high-gain voltage amplifier with differential inputs and a single-ended output, used to perform mathematical operations like addition, subtraction, integration, and filtering in analog circuits. The OP42AZ belongs to the class of precision JFET-input op amps, which combine low offset voltage and drift with very low input bias current, ideal for high-impedance sources. In the hierarchy of analog ICs, it sits under linear amplifiers, which are fundamental building blocks in signal processing chains. Key features of the OP42AZ include a gain-bandwidth product of 10MHz, a fast settling time of 1.2µs to 0.01%, and a low input bias current of 100pA. The device also offers a wide full-power bandwidth of 900kHz and operates with a supply current of less than 6mA, balancing speed with power efficiency. Its precision specifications, such as low offset voltage and low noise, make it suitable for demanding applications. Technically, the OP42AZ uses a JFET input stage to achieve high input impedance and low bias current, while a bipolar output stage provides high output drive capability. The amplifier is internally compensated, simplifying design by eliminating external compensation components. The symmetric slew rate ensures equal positive and negative signal handling, reducing distortion in high-speed waveforms. Typical applications include fast settling sample-and-hold circuits, high-speed integrators, active filters, and precision instrumentation amplifiers. The OP42AZ is also used in audio and video signal processing where high slew rate and low distortion are critical. Its 8-pin CERDIP package provides hermetic sealing for enhanced reliability in harsh environments. When designing with the OP42AZ, ensure proper power supply decoupling with 0.1µF ceramic capacitors close to the supply pins. The input common-mode range extends to the negative rail, but for best performance, keep inputs within the specified common-mode voltage range. Also, consider the thermal characteristics of the CERDIP package, which has a higher thermal resistance than plastic packages, and provide adequate heat sinking if power dissipation is significant.

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OP42AZ/883 - Fast Precision JFET Op Amp | Analog Devices
OP42AZ/883

OP42AZ/883 - Fast Precision JFET Op Amp | Analog Devices

The OP42AZ/883 is a high-speed, precision JFET-input operational amplifier from Analog Devices, designed for applications requiring fast settling and low noise. It features a symmetric slew rate of 58 V/µs and is internally compensated for unity-gain stability. The device operates over the full military temperature range of -55°C to +125°C and is packaged in a hermetic 8-pin CERDIP, ensuring reliability in harsh environments. An operational amplifier (op amp) is a high-gain voltage amplifier with differential inputs and a single-ended output. It is a fundamental building block in analog electronics, used in signal conditioning, filtering, and instrumentation. The OP42AZ/883 belongs to the family of precision op amps, which prioritize accuracy and stability over raw speed, making them suitable for high-performance analog signal processing. Key features of the OP42AZ/883 include a 10 MHz gain-bandwidth product, a 58 V/µs slew rate, and a supply current of less than 6 mA. It offers a common-mode rejection ratio (CMRR) of 94 dB and a minimum voltage gain of 80,000, ensuring excellent accuracy in precision applications. The JFET input stage provides high input impedance and low input bias current, typically 80 pA, which is critical for high-impedance sensor interfaces. The OP42AZ/883 is internally compensated for unity-gain operation, simplifying design and ensuring stability without external components. Its fast settling time and low distortion make it ideal for data acquisition systems, active filters, and precision instrumentation. The device operates from dual supplies up to ±18 V, providing flexibility in various circuit configurations. Typical applications include high-speed data acquisition, precision analog-to-digital converter (ADC) drivers, and active filters in communication systems. The OP42AZ/883's military-grade temperature rating and hermetic package make it suitable for aerospace and defense applications where reliability is paramount. When designing with the OP42AZ/883, ensure proper decoupling of the power supply pins with 0.1 µF ceramic capacitors placed close to the device. The high slew rate can cause ringing if the output load is capacitive; a small series resistor may be needed to maintain stability.

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OP42GSZ - High Speed Precision Op Amp | Analog Devices
OP42GSZ

OP42GSZ - High Speed Precision Op Amp | Analog Devices

The OP42GSZ is a high-speed, precision operational amplifier from Analog Devices, featuring a JFET input stage and a single amplifier in an 8-pin SOIC package. It offers a gain-bandwidth product of 10 MHz and a slew rate of 50 V/µs, making it suitable for fast signal processing applications. The device operates from dual supplies ranging from ±8V to ±20V, providing flexibility in various analog circuits. An operational amplifier (op amp) is a high-gain voltage amplifier with differential inputs and a single-ended output. It is a fundamental building block in analog electronics, used in signal conditioning, filtering, and instrumentation. Op amps are categorized by parameters such as bandwidth, slew rate, input offset voltage, and noise. The OP42GSZ belongs to the precision amplifier family, optimized for accuracy and speed, and is commonly used in data acquisition, test equipment, and audio systems. Key features of the OP42GSZ include a fast settling time of 800 ns to 0.01%, a wide full-power bandwidth of 900 kHz, and a supply current of less than 6 mA. The JFET input provides high input impedance and low bias current, which is essential for high-impedance sensor interfaces. The device is internally compensated for unity-gain stability, simplifying design. Technically, the OP42GSZ uses a JFET-input architecture that combines the benefits of low noise and high speed. The symmetric slew rate of 50 V/µs ensures balanced performance for both positive and negative signal transitions. The device is designed to drive capacitive loads without oscillation, making it robust in practical applications. Typical applications include fast precision integrators, sample-and-hold circuits, and active filters. Its high slew rate and bandwidth make it ideal for video and RF signal processing, while its precision characteristics suit instrumentation and control systems. When designing with the OP42GSZ, ensure proper power supply decoupling with 0.1 µF ceramic capacitors close to the supply pins. The input common-mode range extends to the negative rail, but for best performance, keep inputs within the specified range. The device is RoHS compliant and available in tape and reel packaging.

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OP42GSZ-REEL7 - Fast Precision JFET Op Amp | Analog Devices
OP42GSZ-REEL7

OP42GSZ-REEL7 - Fast Precision JFET Op Amp | Analog Devices

The OP42GSZ-REEL7 is a fast precision JFET-input operational amplifier from Analog Devices, offered in an 8-pin SOIC package. It delivers a symmetric 58 V/µs slew rate and is internally compensated for unity-gain operation, making it suitable for high-speed signal conditioning. The device operates from dual supplies up to ±20 V and draws a supply current of less than 6 mA, balancing speed with power efficiency. An operational amplifier (op amp) is a high-gain voltage amplifier with differential inputs and a single-ended output, used in analog circuits for amplification, filtering, and signal conditioning. Op amps are fundamental building blocks in analog electronics, forming the basis of active filters, comparators, integrators, and many other circuits. The OP42 belongs to the JFET-input op amp family, which offers high input impedance and low input bias current, ideal for interfacing with high-impedance sources. Key features include a gain-bandwidth product of 10 MHz, a wide full-power bandwidth of 900 kHz, and a fast settling time of 800 ns to 0.01%. The input offset voltage is 5 mV maximum, and the common-mode rejection ratio is 94 dB nominal. The device is specified for industrial temperature grades and is RoHS compliant, ensuring suitability for a wide range of applications. The OP42 uses a bipolar process with JFET input stage, providing low noise and high speed. Its symmetric slew rate ensures balanced positive and negative signal transitions, reducing distortion in high-frequency applications. The unity-gain stability simplifies design, eliminating the need for external compensation components. Typical applications include high-speed data acquisition, precision instrumentation, active filters, and buffer amplifiers. The OP42 can directly replace devices such as the AD544, AD611, AD711, and LF400, offering an upgrade path for existing designs. Its fast settling time makes it ideal for sample-and-hold circuits and DAC output buffering. When designing with the OP42, ensure proper decoupling of the power supply pins with 0.1 µF ceramic capacitors placed close to the device. The input common-mode range extends to the negative rail, but for best performance, keep inputs within the specified range. The output can drive capacitive loads up to 100 pF without oscillation, but for larger loads, add a series resistor.

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OP470GSZ - 5nV/√Hz Quad Op-Amp, 16-SOIC | Analog Devices
OP470GSZ

OP470GSZ - 5nV/√Hz Quad Op-Amp, 16-SOIC | Analog Devices

The Analog Devices OP470GSZ is a high-performance monolithic quad operational amplifier featuring exceptionally low voltage noise of 5 nV/√Hz maximum at 1 kHz, housed in a 16-pin SOIC (wide-body, 0.295 inch / 7.50 mm) package. It integrates four independently compensated op-amps on a single die, delivering precision comparable to the industry-standard OP27 while reducing board area and power. The device operates over ±4.5 V to ±18 V dual supplies with a typical gain-bandwidth product of 6 MHz and a 2 V/µs slew rate. An operational amplifier is a high-gain DC-coupled electronic voltage amplifier with differential inputs and a single-ended output, used as a building block in nearly every analog signal chain. The OP470 belongs to the precision op-amp sub-category (hypernym hierarchy: operational amplifier → amplifier IC → analog IC → semiconductor device), characterized by ultra-low noise, low offset voltage, and high open-loop gain. It is produced on a bipolar process that yields the combination of very low input-referred voltage noise, low input bias current, and high DC accuracy required for instrumentation applications. Key features include a maximum input offset voltage of 0.4 mV (typical 0.1 mV), an offset voltage drift of 2 µV/°C maximum, an open-loop gain of 1000 V/mV minimum, and a common-mode rejection ratio (CMRR) of 110 dB minimum. The quad topology, low quiescent current per amplifier, and absence of crossover distortion support use in low-noise audio, active filter, and multi-channel instrumentation designs that demand channel-to-channel matching. The OP470 architecture uses laser-trimmed thin-film resistors and a thermally balanced layout to minimize offset and drift. Its low noise density and high gain make it suitable for amplifying low-level transducer signals, while the 6 MHz GBW comfortably handles audio-bandwidth and modest servo-loop applications. The output stage is class A/AB and swings within approximately 2 V of each rail on heavy loads, preserving headroom in ±15 V systems. Typical applications include professional audio mixing consoles and microphone preamplifiers, precision multi-channel data-acquisition front ends, active filters and equalizers, medical instrumentation such as ECG and patient-monitoring analog front ends, and industrial process-control signal conditioning where four matched low-noise channels reduce circuit complexity. Industrial sensor signal conditioning and strain-gauge amplification also benefit from the quad precision topology. When designing with this part, bias-current-cancellation paths must be considered at the inputs because the OP470 is a bipolar device. Source impedances above a few tens of kilo-ohms can introduce offset errors that exceed the datasheet spec unless cancellation is added. Decouple each supply pin with a 0.1 µF ceramic plus a bulk tantalum/electrolytic capacitor placed as close to the package as possible. This page synthesizes distributor pricing, drop-in cross-references, and practical design notes for the OP470GSZ, extending the manufacturer datasheet with selection guidance and comparisons not found at a single OEM source.

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