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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 409

Ultraprecise instrumentation amplifier makes robust thermocouple interface

Jon Munson

Abstract

The LTC2053 instrumentation amplifier, which provides an excellent platform for robust, low power instrumentation products, is described.

Keywords

Instrumentation amplifier

LTC2053

Introduction

The versatile and precise LTC2053 instrumentation amplifier provides an excellent platform for robust, low power instrumentation products—as exemplified below by the battery-powered thermocouple amplifier circuit. The LTC2053 offers exceptionally low 10μV maximum input offset along with 116dB typical CMRR and PSRR, a result of a combination of switched capacitor and zero-drift op amp technologies. It is optimized for low voltage supplies ...

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