{TAIL ~ A method} and apparatus for controlling {HEAD ~ supply voltage} for a successive approximation register analog to digital converter and comparator common mode voltage 
{ TAIL ~ A method } and apparatus for controlling { HEAD ~ supply voltage } for a successive approximation register analog to digital converter and comparator common mode voltage
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH