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INA2128 - Low-Power Instrumentation Amplifier

General Description

The INA2128 is a dual, low-power, general-purpose instrumentation amplifier (IA) offering excellent accuracy.

The versatile three-op-amp design and small size make this device an excellent choice for a wide range of applications.

Key Features

  • Low offset voltage: 50 µV max.
  • Low drift: 0.5 µV/°C max.
  • Low input bias current: 5 nA max.
  • Input voltage noise: 8 nV/√Hz at 1 kHz.
  • High bandwidth: 1.3 MHz at G=1 V/V.
  • High CMR: 120 dB min.
  • Inputs protected to ±40 V.
  • Wide supply range: ±2.25 V to ±18 V.
  • Low quiescent current: 700 µA per channel.
  • Temperature range:.
  • 40°C to +85°C.
  • Package: 16-pin SOIC 2.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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INA2128 SBOS035B – DECEMBER 1995 – REVISED MAY 2023 INA2128 Dual, Low-Power Instrumentation Amplifier 1 Features • Low offset voltage: 50 µV max • Low drift: 0.5 µV/°C max • Low input bias current: 5 nA max • Input voltage noise: 8 nV/√Hz at 1 kHz • High bandwidth: 1.3 MHz at G=1 V/V • High CMR: 120 dB min • Inputs protected to ±40 V • Wide supply range: ±2.25 V to ±18 V • Low quiescent current: 700 µA per channel • Temperature range: –40°C to +85°C • Package: 16-pin SOIC 2 Applications • Pressure transmitter • Temperature transmitter • Weigh scale • Electrocardiogram (ECG) • Analog input module • Data acquisition (DAQ) 3 Description The INA2128 is a dual, low-power, general-purpose instrumentation amplifier (IA) offering excellent accuracy.