Analog-to-digital converting circuit receiving reference voltage from alternatively switched reference voltage generators and reference voltage capacitors and operating method thereof
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United States of America
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May 14, 2024
Grant Date -
Jul 28, 2022
app pub date -
Dec 29, 2021
filing date -
Dec 29, 2021
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Abstract
An analog-to-digital converting circuit for converting an analog signal into a digital signal includes a plurality of reference voltage generators each generating a reference voltage, a plurality of reference voltage decoupling capacitors respectively corresponding to the reference voltage generators, and an analog-to-digital converter generating a comparison voltage based on the reference voltage and generating the digital signal corresponding to the analog signal based on a result of comparing the comparison voltage with the analog signal. At least one different combination of the reference voltage generators and the reference voltage decoupling capacitors is connected to the analog-to-digital converter in each of a plurality of conversion periods.
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