标签: single-supply

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……

摘要：“Deboo”集成简化了使用单一供应地面参考输入和输出。Maxim>AppNotes>AMPLIFIERANDCOMPARATORCIRCUITSMEASUREMENTCIRCUITSKeywords:deboo,Howlandcurrentsource,integrator,opamp,single-supply,opamps,singlesupply,Jul29,2002APPLICATIONNOTE1155Considerthe"Deboo"Single-SupplyIntegratorAbstract:The"Deboo"Integratorsimplifiestheuseofsingle-suppliesbyground-referencingboththeinputandtheoutput.Thedesignofstandardinvertingintegratorsissimplewhenbipolarsuppliesareavailable,butit'scumbersomewithaunipolarsupply.Toallowadequateheadroomfortheoutput,thecircuitmustbebiasedawayfromground,oftenathalfthesupplyvoltage.Becauseneitherinputnoroutputisreferencedtoground,thedesignisawkwardandoftenimpractical.OnesolutionisaHowlandcurrentsource……

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……

SINGLE-SUPPLYAMPLIFIERSSECTION1SINGLE-SUPPLYAMPLIFIERSRail-to-RailInputStagesRail-to-RailOutputStagesSingle-SupplyInstrumentationAmplifiers1SECTION1SINGLE-SUPPLYAMPLIFIERSAdolfoGarciaOverthelastseveralyears,single-supplyoperationhasbecomeanincreasinglyimportantrequirementassystemsgetsmaller,cheaper,andmoreportable.Portablesystemsrelyonbatteries,andtotalcircuitpowerconsumptionisanimportantandoftendominantdesignissue,andinsomeinstances,moreimportantthancost.Thismakeslow-voltage/lowsupplycurrentoperationcritical;atthesametime,however,accuracyandprecisionrequirementshaveforcedICmanufacturerstomeetthechallengeof“doingmorewithless”intheiramplifierdesigns.SINGLE-SUPPLYAMPLIFIERSSingleSupplyOffers:LowerPowerBatt……