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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 319

High resolution video solutions using single 5V power

Jon Munson

Abstract

High resolution video solutions using single 5V power supply are described.

Keywords

Video design

5V power

LT6556

LT6557

LT6558

LT6559

Introduction

Video cable driver amplifier output stages traditionally require a supply voltage of at least 6V in order to provide the required output swing. This requirement is usually met with 5V supplies by adding a boost regulator or a small local negative rail, say via the popular LT1983-3. Such additional circuitry is unnecessary in typical 1VP–P video connections, such as HD component video, if the cable driver amplifiers simply offer near rail-to-rail output capability when powered from 5V.

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