A charge pump current setting is applied in {HEAD ~ digital form} to a set of two position switches coupled to {TAIL ~ binary weighted current sources} 
A charge pump current setting is applied in { HEAD ~ digital form } to a set of two position switches coupled to { TAIL ~ binary weighted current sources }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL