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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 344

1- and 2-channel No Latency ΔΣ 24-bit ADCs easily digitize a variety of sensors, part 2

Michael K. Mayes

Abstract

1- and 2-channel no latency delta-sigma 24-bit analog-to-digital converters that easily digitize a variety of sensors are described.

Keywords

Analog-to-digital converter

24-bit delta-sigma converter

LTC2402

Introduction

This design note is a continuation of application ideas using the LTC2401/LTC2402 high accuracy, tiny (MSOP), 24-bit delta-sigma converters. Part 1 introduced the two new devices and bridge digitizer circuits utilizing the unique features of these devices. It showed how to remove offset/full-scale errors due to excitation currents using the full-scale and zero-scale set inputs. Furthermore, ...

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