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