TheAD5303/AD5313/AD5323*aredual8-/10-/12-bitbufferedvoltageoutputDACsina16-leadTSSOPpackagethatoperatefromasingle2.5Vto5.5Vsupply,consuming230μAat3V.Theiron-chipoutputamplifiersallowtheoutputstoswingrail-to-railwithaslewrateof0.7V/μs.TheAD5303/AD5313/AD5323utilizeaversatile3-wireserialinterfacethatoperatesatclockratesupto30MHzandiscompatiblewithstandardSPI,QSPI™,MICROWIRE™,andDSPinterfacestandards.

ThereferencesforthetwoDACsarederivedfromtworeferencepins(oneperDAC).Thesereferenceinputsmaybeconfiguredasbufferedorunbufferedinputs.Thepartsincorporateapower-onresetcircuit,whichensuresthattheDACoutputspowerupto0Vandremainthereuntilavalidwritetothedevicetakesplace.ThereisalsoanasynchronousactivelowCLRpinthatclearsbothDACsto0V.TheoutputsofbothDACsmaybeupdatedsimultaneouslyusingtheasynchronousLDACinput.Thepartscontainapower-downfeaturethatreducesthecurrentconsumptionofthedevicesto200nAat5V(50nAat3V)andprovidessoftware-selectableoutputloadswhileinpower-downmode.Thepartsmayalsobeusedindaisy-chainingapplicationsusingtheSDOpin.

Thelowpowerconsumptionofthesepartsinnormaloperationmakesthemideallysuitedtoportablebattery-operatedequipment.Thepowerconsumptionis1.5mWat5Vand0.7mWat3V,reducingto1μWinpower-downmode.