AD71057ARSZ-RL

Overview

The AD71057ARSZ-RL is a precision, low-noise instrumentation amplifier manufactured by Analog Devices Inc. It features a wide input voltage range and high common-mode rejection ratio (CMRR). Key electrical parameters include a gain of 60 dB, a bandwidth of 250 kHz, and an input bias current of 20 nA. The device operates on supply voltages ranging from 2.2 V to 36 V with a quiescent current of 400 uA. It is housed in an SOIC-8 package and supports an operating temperature range from -40°C to +125°C.

Feature Summary

• Provides high common-mode rejection for accurate signal conditioning
• Supports wide single-supply or split-supply operation
• Features low input bias current for minimal loading effects

Applications

• Industrial process control sensor interfaces
• Medical equipment signal amplification
• Strain gauge and load cell measurements

Procurement Notes

Verify the specific suffix 'AR' indicates the industrial temperature grade (-40°C to +125°C) and 'Z' denotes lead-free status. Confirm the '-RL' suffix corresponds to the reel packaging format required for your assembly line. Cross-reference the manufacturer's latest datasheet to ensure no recent pinout or electrical specification changes have occurred since the last procurement cycle.

Selection Notes

Select this component when a wide common-mode input range is required alongside high accuracy. The 250 kHz bandwidth suits applications requiring moderate speed without excessive power consumption. Ensure the system noise budget aligns with the amplifier's low noise specifications. Consider the SOIC-8 package constraints for PCB layout and thermal management within the specified operating temperature range.

Part Context

This part belongs to the AD8227 family of instrumentation amplifiers designed for cost-sensitive, high-performance applications. It integrates a single-channel architecture optimized for general-purpose signal conditioning. The device replaces older discrete solutions by providing integrated gain setting and improved stability in compact surface-mount packages.

Replacement Considerations

Direct pin-compatible replacements within the same family may include other variants of the AD8227 series, provided they match the specific gain and package requirements. Verify that any substitute maintains the same CMRR and bandwidth specifications to ensure circuit performance parity.