摘要：单电源供电电路，节省空间和成本，但音频和视频通常引用到地面，这需要两个运算放大器和一个负轨。然而，该电路只使用一个运算放大器（MAX4380）级转向以地为参考的信号，而单电源电压工作。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
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