D/A converter


Short for digital to analog converter. An electronic device that takes a digital numerical value as input, and yields a voltage signal at the output proportional in strength to the value of the input. D/A converters are used in digital audio and video technology, in which audio or video information stored in digital form (as on tape or a disk) is converted to electrical voltage signals for amplification or display on a screen. Compare A/D converter.

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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.