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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 355

Micropower 12-bit ADCs shrink board space

Kevin R. Hoskins

Abstract

The LTC1286/LTC1298 serial interfaced, micropower 12-bit analog-to-digital converters are described.

Keywords

Analog-to-digital converter

12-bit ADC

LTC1288

LTC1298

Introduction

The LTC1286 and LTC1298 are serial interfaced, micropower 12-bit analog-to-digital converters. In the realm of 12-bit ADCs they bring a new low in power dissipation and the small size of an SO-8 package to low cost, battery-powered electronic products. These micropower devices consume just 250μA (LTC1286) and 340μA (LTC1298) at full conversion speed and feature autoshutdown.

Many portable and battery-powered systems require internal analog-to-digital conversion. Some, such as pen-based ...

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