Single-Supply Op Amp Forms Noninverting Level Shifter

Abstract:Single-supplycircuitrysavesspaceandcost,butaudioandvideoareusuallyreferencedtoground,whichrequirestwoopampsandanegativerail.Thiscircuit,however,usesonlyoneopamp(MAX4380)tolevel-shiftaground-referencedsignalwhileoperatingonasinglesupplyvoltage.Maxim>Designsupport>Appnotes>AmplifierandComparatorCircuits>APP4836Maxim>Designsupport>Appnotes>AudioCircuits>APP4836Maxim>Designsupport>Appnotes>VideoCircuits>APP4836Keywords:portable,batteryoperated,single-supplycircuitry,opamps,levelshiftersFeb08,2011APPLICATIONNOTE4836Single-SupplyOpAmpFormsNoninvertingLevelShifterAbstract:Single-supplycircuitrysavesspaceandcost,butaudioandvideoareusuallyreferencedtoground,whichrequirestwoopampsandanegativerail.Thiscircuit,however,usesonlyoneopamp(MAX4380)tolevel-shiftaground-referencedsignalwhileoperatingonasinglesupply