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Analog Devices, Inc - Instrumentation Amp - Zero-Drift Accuracy - 30 August 2012

The AD8237 micro-power, zero-drift precision instrumentation amplifier is claimed to offer a power-efficient solution for precision signal and sensor conditioning, it features a low input offset drift of less than 0.3 µV/°C and an input signal range that extends 300 mV beyond the supply rails.

The AD8237 operates off a single supply voltage of 1.8 V to 5.5 V and is in a compact MSOP-8 package. The gain (1 to 1000) is set by the ratio of two external resistors, which combined with industry leading gain error performance, provides superior gain accuracy over temperature.

  Product page  Datasheet

    AD8237 Micro-power, Zero-Drift Instrumentation Amplifier Key Features
  • Gain Range: 1 to 1000
  • CMRR: 114 dB
  • DC Precision
    -Input offset voltage: 75 µV
    -Offset drift: 0.3 µV/°C
  • Supply Current: 115 µA
  • Supply Range: 1.8V to 5.5V
  • Bandwidth (G=100): 10 kHz
  • Gain Error: 0.005%
  • Gain Drift: 0.5ppm/°C
  • Input Voltage Noise: 1.5 uVp-p

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