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INA818 Datasheet Precision Instrumentation Amplifier

Manufacturer: Texas Instruments

Overview: Product Folder Order Now Technical Documents Tools & Software Support & Community INA818 SBOS894A – APRIL 2019 – REVISED JUNE 2019 INA818 35-μV Offset, 8-nV/√Hz Noise, Low-Power, Precision Instrumentation Amplifier.

General Description

The INA818 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 10000.

The device offers high precision as a result of super-beta input transistors, which provide exceptionally low input offset voltage, offset voltage drift, input bias current, input voltage, and current noise.

Key Features

  • 1 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: 100 dB, G = 1 (min).
  • Supply current: 385 µA (max).
  • Supply voltage range:.
  • Single supply: 4.5 V to 36 V.

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