AD628 - High Common-Mode Voltage Programmable Gain Difference Amplifier

Analog Devices

Download the AD628 datasheet PDF. This datasheet also includes the AD6 variant, as both parts are published together in a single manufacturer document.

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AD628 high common-mode voltage programmable gain difference amplifier by Analog Devices - Datasheet Preview — Note: The manufacturer provides a single datasheet file (AD6-28.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	AD628
Manufacturer	Analog Devices
File Size	340.93 KB
Description	High Common-Mode Voltage Programmable Gain Difference Amplifier
Datasheet	AD628 Datasheet

General Description

The AD628 is a precision difference amplifier that combines excellent dc performance with high common-mode rejection over a wide range of frequencies.

When used to scale high voltages, it allows simple conversion of standard control voltages or currents for use with single-supply ADCs.

A wideband feedback loop minimizes distortion effects due to capacitor charging of Σ-Δ ADCs.

Overview

High Common-Mode Voltage, Programmable Gain Difference Amplifier AD628.

Key Features

High common-mode input voltage range ±120 V at VS = ±15 V Gain range 0.1 to 100 Operating temperature range:.
40°C to +85°C Supply voltage range Dual supply: ±2.25 V to ±18 V Single supply: 4.5 V to 36 V Excellent ac and dc performance Offset temperature stability RTI: 10 μV/°C maximum Offset: ±1.5 V mV maximum CMRR RTI: 75 dB minimum, dc to 500 Hz, G = +1.

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