TheAD7985isa16-bit,2.5MSPSsuccessiveapproximationanalog-to-digitalconverter(SARADC).Itcontainsalowpower,highspeed,16-bitsamplingADC,aninternalconversionclock,aninternalreference(andbuffer),errorcorrectioncircuits,andaversatileserialinterfaceport.OntherisingedgeofCNV,theAD7985samples