标签: 04312641

04312641AMICROPOWERSIGMA-DELTAA/DCONVERTERIN0.35-gMCMOSFORLOWFREQUENCYAPPLICATIONSEmail:adnnangundelieeeorgAdnanGuLndelt,WilliamN.Carrilliamcarrnjitedot1lNewJerseyInstituteofTechnology,Newark,NJ07102t)TelephonicsCorporation,815BroadHollowRoad,Farmingdale,NY11735ABSTRACTAverylow-powersingleloopsecondorder12-bitsigmadelta(Y-A)A/Dconverterin0.35-mtriplemetal,doublepolyCMOStechnologyhasbeendesignedforlowfrequencyapplications.TheA/Dconverterincluidesasecond-orderLAmodulatortogetherwithaDSPcircuitcomprisingofacascadeofCICandFIRdigitalfilters.Thedesignwasfocusedontheminimizationofpowerdissipationofthemodulatorthatoperatesfromasingle2-4Vpowersupply.Areductionofthepowerdissipationiso……