The AD converter includes: an arithmetic operation amplifying circuit unit, a comparator circuit unit for comparing, with a reference signal, an output from the arithmetic operation amplifying circuit unit; a DA converted circuit unit for DA converting a signal based on a signal from the comparator circuit unit; and a sampling and holding unit arranged at {HEAD ~ an input section} of {TAIL ~ the arithmetic operation amplifying circuit unit} 
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The AD converter includes : an arithmetic operation amplifying circuit unit , a comparator circuit unit for comparing , with a reference signal , an output from the arithmetic operation amplifying circuit unit ; a DA converted circuit unit for DA converting a signal based on a signal from the comparator circuit unit ; and a sampling and holding unit arranged at { HEAD ~ an input section } of { TAIL ~ the arithmetic operation amplifying circuit unit }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL