| 摘要 |
A correction signal generator generates a correction signal that corrects a digital signal obtained from an analog input voltage. The correction signal generator has a correction signal output circuit that holds the number of transit stages of delay units detected by a first stage count detection circuit and a third stage count detection circuit at the timing corresponding to the difference in the number of stages between the number of transit stages of delay units detected by the first stage count detection circuit and the number of transit stages of delay units detected by a second stage count detection circuit, and outputs the difference between the number of stages from the first stage count detection circuit and the number of stages from the third stage count detection circuit, which were held, as the correction signal.
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