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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 343

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

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 ADC

LTC2401

LTC2402

Since its introduction, the LTC2400 has transformed the method of designing analog-to-digital converters into a variety of systems. Some key features separating the LTC2400 from conventional high resolution ADCs are:

1. Ultralow offset (1ppm), offset drift (0.01ppm/°C), full-scale error (4ppm) and full-scale drift (0.02ppm/°C) without user calibration

2. Absolute accuracy less than 10ppm total (linearity + offset + full ...

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