| 摘要 |
An analog-to-digital converter has a digital-to-analog converter, first, second and third comparators, and a sequential comparison register and control logic circuit. The digital-to-analog converter produces analog signals, the first, second and third comparators compare the input analog signal with first, second and third analog signals which are different from each other. Further, the sequential comparison register and control logic circuit controls the digital signals that are fed to the digital-to-analog converter from the first to third comparators, and outputs the digital signals as digital values obtained by subjecting the input analog signals to the analog-to-digital conversion.
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