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INA819 - Precision Instrumentation Amplifier

General Description

The INA819 is a high-precision instrumentation amplifier that offers low power consumption and operates over a very wide single-supply or dualsupply range.

A single external resistor sets any gain from 1 to 10,000.

Key Features

  • Low offset voltage: 10 µV (typ), 35 µV (max).
  • Gain drift: 5 ppm/°C (G = 1), 35 ppm/°C (G > 1) (max).
  • Noise: 8 nV/√ Hz.
  • Bandwidth: 2 MHz (G = 1), 270 kHz (G = 100).
  • Stable with 1-nF capacitive loads.
  • Inputs protected up to ±60 V.
  • Common-mode rejection: 110 dB, G = 10 (min).
  • Power supply rejection: 110 dB, G = 1 (min).
  • Supply current: 385 µA (max).
  • Supply range:.
  • Single supply: 4.5 V to 36 V.

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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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INA819 SBOS959D – DECEMBER 2018 – REVISED APRIL 2022 INA819 35-μV Offset, 8-nV/√Hz Noise, Low-Power, Precision Instrumentation Amplifier 1 Features • Low offset voltage: 10 µV (typ), 35 µV (max) • Gain drift: 5 ppm/°C (G = 1), 35 ppm/°C (G > 1) (max) • Noise: 8 nV/√ Hz • Bandwidth: 2 MHz (G = 1), 270 kHz (G = 100) • Stable with 1-nF capacitive loads • Inputs protected up to ±60 V • Common-mode rejection: 110 dB, G = 10 (min) • Power supply rejection: 110 dB, G = 1 (min) • Supply current: 385 µA (max) • Supply range: – Single supply: 4.5 V to 36 V – Dual supply: ±2.