said A/D converter includes an adding circuit adding {TAIL ~ the digital value} from {HEAD ~ said A/D converting circuit} and the digital value from said first storing circuit, and outputting the added result 
said A / D converter includes an adding circuit adding { TAIL ~ the digital value } from { HEAD ~ said A / D converting circuit } and the digital value from said first storing circuit , and outputting the added result
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH