EmbeddedRelated.com
    Parts   Analog ICs  Op-Amps    AD8479ARZ
AD8479ARZ

ADIAD8479ARZ

Analog Devices Inc.
Standard (General Purpose) Amplifier 1 Circuit Rail-to-Rail 8-SOIC
Active2,395 in stock
Datasheet Digi-Key Compare Prices

Overview

The AD8479ARZ is a high common-mode voltage precision difference amplifier with a fixed gain of 1. It is designed to measure differential signals in the presence of very high common-mode voltages up to plus or minus 600V, making it ideal for high-side current sensing and power supply monitoring. The device features a rail-to-rail output and operates on a supply span from 5V to 36V.

Why Choose This Part

The AD8479ARZ provides an exceptional common-mode voltage range of plus or minus 600V while maintaining high DC accuracy with a low 500uV input offset. It offers a slew rate of 8V/us and a bandwidth of 130 kHz, allowing it to respond quickly to transient conditions in power monitoring applications.

Applications

High-Voltage Current Sensing
Monitoring shunt resistors in high-voltage DC motor controls and power distribution units where common-mode voltages reach hundreds of volts.
Isolation Amp Replacement
Used as a cost-effective alternative to isolation amplifiers in systems that require high common-mode rejection without full galvanic isolation.
Battery Stack Monitoring
Measuring individual cell voltages within large battery arrays in energy storage systems or electric vehicle drivetrains.
Power Supply Fault Detection
Detecting overcurrent or voltage conditions on high-voltage rails in industrial power supplies.

Key Specifications

Slew Rate 8V/us
Output Type Rail-to-Rail
Mounting Type Surface Mount
-3db Bandwidth 130 kHz
Amplifier Type Standard (General Purpose)
Package / Case 8-SOIC (0.154", 3.90mm Width)
Current - Supply 550uA
Number of Circuits 1
Operating Temperature -40degC ~ 125degC
Voltage - Input Offset 500 uV
Supplier Device Package 8-SOIC
Current - Output / Channel 55 mA
Voltage - Supply Span (Max) 36 V
Voltage - Supply Span (Min) 5 V

Getting Started

When designing with the AD8479ARZ, ensure that the power supply pins are decoupled with 0.1uF ceramic capacitors placed close to the device. For prototyping, use the 8-SOIC footprint on a dedicated breakout board or use the EVAL-AD8479EBZ evaluation board which provides pre-configured BNC connectors for signal testing.

Categories

Analog ICs > Op-Amps