sigma-delta digital-to-analog converter

sigma-delta digital-to-analog converter

[¦sig·mə ¦del·tə ‚dij·əd·əl tü ‚an·ə‚läg kən′vərd·ər]
(electronics)
A converter that uses a digital circuit to convert numeric values from a digital processor to a pulse stream and then uses an analog low-pass filter to produce an analog waveform.