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