A low power analog to digital converter generates, during a calibration process, a plurality of digital control words as {HEAD ~ a function} of non linearities in {TAIL ~ the circuit components} 
A low power analog to digital converter generates , during a calibration process , a plurality of digital control words as { HEAD ~ a function } of non linearities in { TAIL ~ the circuit components }
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 OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL