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AD8420 - Rail-to-Rail Output Instrumentation Amplifier

Description

The AD8420 is a low cost, micropower, wide supply range, instrumentation amplifier with a rail-to-rail output and a novel architecture that allows for extremely flexible design.

It is optimized to amplify small differential voltages in the presence of large common-mode signals.

Features

  • Maximum supply current: 90 μA Minimum CMRR: 100 dB Drives heavy capacitive loads: ~700 pF Rail-to-rail output Input voltage range goes below ground Gain set with 2 external resistors Can achieve low gain drift at any gain Very wide power supply range Single supply: 2.7 V to 36 V Dual supply: ±2.7 V to ±18 V Bandwidth (G = 100): 2.5 kHz Input voltage noise: 55 nV/√Hz High dc precision Maximum offset voltage: 125 μV Maximum offset drift: 1 μV/°C Maximum differential input voltage: ±1 V 8-lead MSOP.

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Datasheet preview – AD8420

Datasheet Details

Part number AD8420
Manufacturer Analog Devices
File Size 587.64 KB
Description Rail-to-Rail Output Instrumentation Amplifier
Datasheet download datasheet AD8420 Datasheet
Additional preview pages of the AD8420 datasheet.

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Full PDF Text Transcription

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Data Sheet FEATURES Maximum supply current: 90 μA Minimum CMRR: 100 dB Drives heavy capacitive loads: ~700 pF Rail-to-rail output Input voltage range goes below ground Gain set with 2 external resistors Can achieve low gain drift at any gain Very wide power supply range Single supply: 2.7 V to 36 V Dual supply: ±2.7 V to ±18 V Bandwidth (G = 100): 2.
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