TheAD5601/AD5611/AD5621,membersofthenanoDAC®family,aresingle,8-/10-/12-bit,bufferedvoltageoutputDACsthatoperatefromasingle2.7Vto5.5Vsupply,consumingtypically75μAat5V.ThepartscomeinatinySC70package.Theiron-chipprecisionoutputamplifierallowsrail-to-railoutputswingtobeachieved.TheAD5601/AD5611/AD5621utilizeaversatile3-wireserialinterfacethatoperatesatclockratesupto30MHzandiscompatiblewithSPI,QSPI™,MICROWIRE™,andDSPinterfacestandards.
ThereferencefortheAD5601/AD5611/AD5621isderivedfromthepowersupplyinputsand,therefore,givesthewidestdynamicoutputrange.Thepartsincorporateapower-onresetcircuit,whichensuresthattheDACoutputpowersupto0Vandremainsthereuntilavalidwritetothedevicetakesplace.
TheAD5601/AD5611/AD5621containapower-downfeaturethatreducescurrentconsumptiontotypically0.2μAat3V.
Theyalsoprovidesoftware-selectableoutputloadswhileinpower-downmode.Thepartsareputintopower-downmodeovertheserialinterface.
Thelowpowerconsumptionofthesepartsinnormaloperationmakesthemideallysuitedtoportablebattery-operatedequipment.ThecombinationofsmallpackageandlowpowermakesthesenanoDACdevicesidealforlevel-settingrequirements,suchasgeneratingbiasorcontrolvoltagesinspace-constrainedandpower-sensitiveapplications.