AD8274ARZ-R7

Instrumentation, Op Amps, Buffer Amps Overview

The AD8274ARZ-R7 is a precision difference amplifier from Analog Devices, housed in an 8-lead SOIC package. It operates on a supply range of ±2.5 V to ±18 V with a maximum supply current of 2.6 mA. The device features a gain bandwidth product of 10 MHz and a minimum slew rate of 20 V/μs. Key performance metrics include a common-mode rejection ratio (CMRR) of 83 dB minimum and a total harmonic distortion plus noise of 0.00025% at 20 kHz. It provides excellent gain accuracy with a maximum gain error of 0.03% and supports gains of ½ or 2 without external components.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Built-in laser-trimmed resistors enable precise gain configurations of ½ or 2 without external components.
• Delivers very low distortion performance suitable for high-fidelity signal processing applications.
• Capable of measuring input voltages beyond the power supply rails using internal resistor dividers.
• Provides high output drive capability to support demanding loads such as cables and ADCs.

Instrumentation, Op Amps, Buffer Amps Applications

• ADC driver
• High performance audio
• Instrumentation amplifier building blocks
• Level translators
• Automatic test equipment

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify that the ordering suffix matches the required tape and reel packaging format. Confirm the RoHS compliance status indicated by the 'Z' suffix aligns with project environmental requirements. Ensure the industrial temperature range specification meets the operational environment constraints. Cross-reference the manufacturer part number against official distributor catalogs to validate authenticity and revision history before finalizing procurement orders.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when high linearity and low distortion are critical for the application. Consider the 10 MHz bandwidth and 20 V/μs slew rate for dynamic signal requirements. Evaluate the 83 dB CMRR for noise rejection needs in industrial environments. Verify that the 8-lead SOIC package fits the available PCB real estate and thermal management strategy compared to alternative packages like MSOP.

Instrumentation, Op Amps, Buffer Amps Part Context

This device belongs to the AD8274 series of precision difference amplifiers manufactured by Analog Devices. It utilizes the proprietary iPolar process and laser-trimmed resistors to achieve superior DC and AC performance. The series is designed to replace discrete resistor networks, offering improved matching and stability while reducing board space and assembly complexity for precision signal conditioning circuits.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Refer to the AD8273 data sheet for the dual-channel version of this amplifier family.

Instrumentation, Op Amps, Buffer Amps FAQ

Can the AD8274 measure input voltages outside the supply rails?

Yes, the internal resistor divider architecture allows the AD8274 to measure voltages beyond the supplies, provided the internal op amp inputs remain within 1.5 V of either rail.

What gain configurations are supported without external components?

The AD8274 can be configured as a difference amplifier with a gain of ½ or 2 using only its internal laser-trimmed resistors.