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AD8422 Datasheet PDF

Part Series:
AD8422 Series
Category:
Instrumentation Amplifiers
Description:
ANALOG DEVICES AD8422BRZ Instrument Amplifier, 1 Amplifier, 25µV, 0.8V/µs, 2.2MHz, 3.6V to 36V, ± 1.8V to ± 18V, NSOIC
Updated Time: 2023/01/13 01:48:20 (UTC + 8)

AD8422 Datasheet PDF Instrumentation Amplifiers

25 Pages
ADI
ANALOG DEVICES AD8422ARMZ Instrument Amplifier, 1 Amplifier, 70μV, 0.8V/µs, 2.2MHz, 3.5V to 36V, MSOP
25 Pages
ADI
SP Amp INSTR Amp Single ±18V/36V 8Pin SOIC T/R
25 Pages
ADI
SP Amp INSTR Amp Single ±18V/36V 8Pin MSOP T/R
25 Pages
ADI
SP Amp INSTR Amp Single ±18V/36V 8Pin SOIC T/R
25 Pages
ADI
SP Amp INSTR Amp Single ±18V/36V 8Pin MSOP T/R
25 Pages
ADI
SP Amp INSTR Amp Single ±18V/36V 8Pin MSOP T/R
25 Pages
ADI
SP Amp INSTR Amp Single ±18V/36V 8Pin SOIC T/R
25 Pages
ADI
SP Amp INSTR Amp Single ±18V/36V 8Pin SOIC T/R

AD8422BRZ - ADI Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
8 Pin
Case/Package
SOIC-8
Supply Current
300 µA
Number of Circuits
1 Circuit
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AD8422BRZ - ADI Function Overview

GENERAL DESCRIPTION
The AD8422 is a high precision, low power, low noise, rail-to-rail instrumentation amplifier that delivers the best performance per unit microampere in the industry. The AD8422 processes signals with ultralow distortion performance that is load independent over its full output range.
The AD8422 is the third generation development of the industry standard AD620. The AD8422 employs new process technologies and design techniques to achieve higher dynamic range and lower errors than its predecessors, while consuming less than one-third of the power. The AD8422 uses the high performance pinout introduced by the AD8221.
Very low bias current makes the AD8422 error-free with high source impedance, allowing multiple sensors to be multiplexed to the inputs. Low voltage noise and low current noise make the AD8422 an ideal choice for measuring a Wheatstone bridge.
FEATURES
  Low power: 330 µA maximum quiescent current
  Rail-to-rail output
  Low noise and distortion
     8 nV/√Hz maximum input voltage noise at 1 kHz
     0.15 µV p-p RTI noise (G = 100)
     0.5 ppm nonlinearity with 2 kΩ load (G = 1)
  Excellent ac specifications
     80 dB minimum CMRR at 7 kHz (G = 1)
     2.2 MHz bandwidth (G = 1)
  High precision dc performance (AD8422BRZ)
     150 dB minimum CMRR (G = 1000)
     0.04% maximum gain error (G = 1000)
     0.3 µV/°C maximum input offset drift
     0.5 nA maximum input bias current
  Wide supply range
     3.6 V to 36 V single supply
     ±1.8 V to ±18 V dual supply
  Input overvoltage protection: 40 V from opposite supply
  Gain range: 1 to 1000
APPLICATIONS
  Medical instrumentation
  Industrial process controls
  Strain gages
  Transducer interfaces
  Precision data acquisition systems
  Channel-isolated systems
  Portable instrumentation
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