Digital-to-analog converter with non-uniform resolution
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United States of America Patent
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Jun 11, 2013
Grant Date -
Jun 14, 2012
app pub date -
Dec 9, 2010
filing date -
Dec 9, 2010
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Abstract
A circuit includes a digital-to-analog converter with non-uniform resolution for converting a digital signal into an analog signal. The digital-to-analog converter includes high-resolution circuitry, reduced-resolution circuitry coupled to the high-resolution circuitry and a switch coupled to the high-resolution circuitry and to the reduced-resolution circuitry. The switch couples one of the high-resolution circuitry and the reduced-resolution circuitry to an output node. The circuit also includes a decoder coupled to the switch. The decoder receives the digital signal to control the switch.
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