TheAD7810isahighspeed,lowpower,10-bitA/Dconverterthatoperatesfromasingle2.7Vto5.5Vsupply.Thepartcontainsa2µssuccessiveapproximationA/Dconverter,withinherenttrack/holdfunctionality,apseudodifferentialinputandahighspeedserialinterfacethatinterfacestomostmicrocontrollers.TheAD7810isfullyspecifiedoveratemperaturerangeof-40°Cto+105°C.
ByusingatechniquethatsamplesthestateoftheCONVST(convertstart)signalattheendofaconversion,theAD7810maybeusedinanautomaticpower-downmode.Whenusedinthismode,theAD7810automaticallypowersdownattheendofaconversionand"wakesup"atthestartofanewconversion.Thisfeaturesignificantlyreducesthepowerconsumptionofthepartatlowerthroughputrates.TheAD7810canalsooperateinahighspeedmodewherethepartisnotpowereddownbetweenconversions.Inthishighspeedmodeofoperation,theconversiontimeoftheAD7810is2µs.Themaximumthroughputrateisdependentonthespeedoftheserialinterfaceofthemicrocontroller.
Thepartisavailableinasmall8-pin,0.3"wide,plasticdual-in-linepackage(mini-DIP);inan8-lead,smalloutlineIC(SOIC);andinan8-leadmicroSOICpackage.