Analog to digital converter
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United States of America Patent
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Sep 1, 2020
Grant Date -
Aug 20, 2020
app pub date -
Feb 14, 2019
filing date -
Feb 14, 2019
priority date (Note) -
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Abstract
An A/D converter includes multiple bin comparators that compare an analog voltage to corresponding bin threshold voltages to provide output signals for providing corresponding comparison results. Some of the comparators includes enable inputs that selectively enable the output signal of the bin comparator to provide the corresponding comparison result based on a corresponding comparison result from at least one other bin comparator. The A/D convertor includes an encoder that utilizes the output signals to provide encoded bit values of the digital output. The A/D converter includes a bin selection circuit that utilizes the output signals to select a voltage level based on the output signals and provides the selected voltage level to a next stage of the A/D convertor. The next stage uses the selected voltage level and the analog voltage to provide at least one lessor bit of the digital output.
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