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AD8293G80 - Zero-Drift In-Amp

Datasheet Summary

Description

The AD8293G80/AD8293G160 are small, low cost, precision instrumentation amplifiers that have low noise and rail-to-rail outputs.

They are available in two fixed-gain models: 80 and 160.

They incorporate the gain setting resistors and filter resistors, reducing the number of ancillary components.

Features

  • Small package: 8-lead SOT-23 Reduced component count Incorporates gain resistors and filter resistors Low offset voltage: 20 μV maximum Low offset drift: 0.3 μV/°C maximum Low gain drift: 25 ppm/°C maximum High CMR: 140 dB typical Low noise: 0.7 μV p-p from 0.01 Hz to 10 Hz Single-supply operation: 1.8 V to 5.5 V Rail-to-rail output Available in 2 fixed-gain models.

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Datasheet Details

Part number AD8293G80
Manufacturer Analog Devices
File Size 604.91 KB
Description Zero-Drift In-Amp
Datasheet download datasheet AD8293G80 Datasheet
Additional preview pages of the AD8293G80 datasheet.

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Full PDF Text Transcription

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Low Cost, Zero-Drift In-Amp with Filter and Fixed Gain AD8293G80/AD8293G160 FEATURES Small package: 8-lead SOT-23 Reduced component count Incorporates gain resistors and filter resistors Low offset voltage: 20 μV maximum Low offset drift: 0.3 μV/°C maximum Low gain drift: 25 ppm/°C maximum High CMR: 140 dB typical Low noise: 0.7 μV p-p from 0.01 Hz to 10 Hz Single-supply operation: 1.8 V to 5.5 V Rail-to-rail output Available in 2 fixed-gain models FUNCTIONAL BLOCK DIAGRAM 7 5 6 +VS +IN R1 4kΩ 1 FILT R2 OUT 8 IN-AMP R3 5kΩ ADC OUT 4 –IN OUTPUT TO ADC WITH ANTIALIASING FILTER 07451-001 GND REF 2 3 AD8293Gxx Figure 1. +5V APPLICATIONS Current sensing Strain gauges Laser diode control loops Portable medical instruments Thermocouple amplifiers 0.
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