Successive approximation analog-to-digital converter and conversion method thereof
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United States of America Patent
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May 17, 2016
Grant Date -
Apr 21, 2016
app pub date -
May 5, 2014
filing date -
Apr 29, 2014
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Abstract
A successive approximation analog-to-digital converter and conversion method thereof are provided, the successive approximation analog-to-digital converter includes a segmented-multiple-stage capacitor array with redundancy bits, a comparator, a weight-storage circuit, a code reconstruction circuit and a control logic circuit. The successive approximation analog-to-digital converter helps to decrease the complexity of circuit design, featuring small size and low power. Without auxiliary capacitor array, switches and control logic, the circuit can work to precisely measure and correct capacitor mismatch errors.
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