It is an object of the present invention to realize both of accuracy in minimum resolution and increase of a dynamic range with simple circuitry, without increasing {HEAD ~ an output bit number} of {TAIL ~ an A/D converting circuit} 
of
It is an object of the present invention to realize both of accuracy in minimum resolution and increase of a dynamic range with simple circuitry , without increasing { HEAD ~ an output bit number } of { TAIL ~ an A / D converting circuit }
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 HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL