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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