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AD8421 - Low Power Instrumentation Amplifier

Description

The AD8421 is a low cost, low power, extremely low noise, ultralow bias current, high speed instrumentation amplifier that is ideally suited for a broad spectrum of signal conditioning and data acquisition applications.

Features

  • Low power 2.3 mA maximum supply current Low noise 3.2 nV/√Hz maximum input voltage noise at 1 kHz 200 fA/√Hz current noise at 1 kHz Excellent ac specifications 10 MHz bandwidth (G = 1) 2 MHz bandwidth (G = 100) 0.6 µs settling time to 0.001% (G = 10) 80 dB CMRR at 20 kHz (G = 1) 35 V/µs slew rate High precision dc performance (AD8421BRZ) 94 dB CMRR minimum (G = 1) 0.2 µV/°C maximum input offset voltage drift 1 ppm/°C maximum gain drift (G = 1) 500 pA maximum input bias current Inputs protected t.

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Datasheet preview – AD8421

Datasheet Details

Part number AD8421
Manufacturer Analog Devices
File Size 1.03 MB
Description Low Power Instrumentation Amplifier
Datasheet download datasheet AD8421 Datasheet
Additional preview pages of the AD8421 datasheet.

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Full PDF Text Transcription

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Data Sheet FEATURES Low power 2.3 mA maximum supply current Low noise 3.2 nV/√Hz maximum input voltage noise at 1 kHz 200 fA/√Hz current noise at 1 kHz Excellent ac specifications 10 MHz bandwidth (G = 1) 2 MHz bandwidth (G = 100) 0.6 µs settling time to 0.001% (G = 10) 80 dB CMRR at 20 kHz (G = 1) 35 V/µs slew rate High precision dc performance (AD8421BRZ) 94 dB CMRR minimum (G = 1) 0.2 µV/°C maximum input offset voltage drift 1 ppm/°C maximum gain drift (G = 1) 500 pA maximum input bias current Inputs protected to 40 V from opposite supply ±2.
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