TheAD7228Acontainseight8-bitvoltage-modedigital-to-analogconverters,withoutputbufferamplifiersandinterfacelogiconasinglemonolithicchip.Noexternaltrimsarerequiredtoachievefullspecifiedperformanceforthepart.
Separateon-chiplatchesareprovidedforeachoftheeightD/Aconverters.Dataistransferredintothedatalatchesthroughacommon8-bitTTL/CMOS(5V)compatibleinputport.AddressinputsA0,A1andA2determinewhichlatchisloadedwhenWRgoeslow.Thecontrollogicisspeedcompatiblewithmost8-bitmicroprocessors.
Specifiedperformanceisguaranteedforinputreferencevoltagesfrom+2to10Vwhenusingdualsupplies.Thepartisalsospecifiedforsinglesupply+15Voperationusingareferenceof+10Vandsinglesupply+5Voperationusingareferenceof+1.23V.Eachoutputbufferamplifieriscapableofdeveloping+10Vacrossa2k(Ohm)load.
TheAD7228Aisfabricatedonanallion-implanted,high-speed,LinearCompatibleCMOS(LC2MOS)processwhichhasbeenspecificallydevelopedtointegratehigh-speeddigitallogiccircuitsandprecisionanalogcircuitsonthesamechip.
