Digital-to-analog converter

In electronics, a digital-to-analog converter (abbreviated DAC or D-to-A) is a device for converting a digital (usually binary) code to an analog signal (current, voltage or electric charge).

An analog-to-digital converter (ADC) performs the reverse operation.

Digital-to-analog Converter Media

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  8-channel Cirrus Logic CS4382 digital-to-analog converter as used in a sound card.

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  image source obtained from User:Petr.adamek (with permission) and previously saved as PD in PNG format. touched up a little and converted to SVG by.User:Rbj.

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  A simplified functional diagram of an 8-bit DAC

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  Top-loading CD player (top) and external digital-to-analog converter (bottom) from the same company.

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  An external DAC (1990s) from Audio Alchemy as an add-on for CD players, having only about 12 cm width, intended to improve the sound of older or less expensive players.

• IBM Selectric typewriter uses a mechanical digital-to-analog converter to control its typeball.