Analog-to-digital converter system and method
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United States of America Patent
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Aug 19, 2014
Grant Date -
Oct 24, 2013
app pub date -
Jul 19, 2012
filing date -
Apr 20, 2012
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Abstract
An analog-to-digital converter (ADC) system and method. The ADC system in accord with one embodiment includes a sampling digital-to-analog converter configured to sample a combination of an analog signal value and an analog dither value, and a control circuit comprising a mismatch-shaping encoder. The control circuit is configured to sequentially apply a plurality of digital codes to the sampling digital-to-analog converter during an analog-to-digital conversion operation to derive a digital code representing the combination of the analog signal value and the analog dither value. Several embodiments are presented.
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