IRS2092中文资料

©2007InternationalRectifierSeptember2007IRS2092PROTECTEDDIGITALAUDIOAMPLIFIERFeatures•IntegratedanaloginputClassDaudioamplifierdriverinasmall16pinpackage•Floatinginputsenableeasyhalfbridgeimplementation•Programmablebidirectionalover-currentprotectionwithself-resetfunction•ProgrammablepresetdeadtimeforimprovedTHDperformances•Startandstopclicknoisereduction•Highnoiseimmunity•±100Vratingsdeliverupto500Winoutputpower•Operatesupto800kHz•RoHScompliantTypicalApplications•Hometheatersystems•Minicomponentstereosystems•Poweredspeakersystems•GeneralpurposeaudiopoweramplifiersProductSummaryVOFFSET(max)±100VIo+1.0AGatedriverIo-1.2ASelectableDeadtime25/40/65/105nsOCprotectiondelay(max)500nsDCoffset20mVPWMfrequency~800kHzErroramplifieropenloopgain60dBTHD+N*(1kHz,50W,4Ω)0.01%ResidualNoise*(AES-17Filter)200µVrms*measuredwithrecommendedcircuitPackageOptionsSOIC16NPDIP16TypicalConnectionDiagramIRS209212VVAAGNDIN-OCSETCOMCOMPVSSLOVCCVREFHOVSCSDCSHVBINPUT-BVcc+BSpeakerDT21614356781514131211109IRS2092©2007InternationalRectifier2TableofContentsPageDescription3SimplifiedBlockDiagram4TypicalApplicationDiagram4QualificationInformation5AbsoluteMaximumRatings6RecommendedOperatingConditions7ElectricalCharacteristics8WaveformDefinitions10FunctionalBlockDiagram11Input/OutputPinEquivalentCircuitDiagram12LeadDefinitions13LeadAssignments13PackageDetails14TapeandReelDetails16PartMarkingInformation17OrderingInformation18IRS2092©2007InternationalRectifier3DescriptionTheIRS2092isahighvoltage,highperformanceClassDaudioamplifierdriverwithPWMmodulatorandprotection.InconjunctionwithtwoexternalMOSFETandafewexternalcomponents,acompleteClassDaudioamplifierwithprotectioncanberealized.InternationalRectifier’sproprietarynoiseisolationtechnologyallowshighcurrentgatedrivestageandhighspeedlownoiseerroramplifierresideonasinglesmallsilicondie.OpenelementsofPWMmodulatorsectionallowflexiblePWMtopologyimplementation.IRS2092©2007InternationalRectifier4SimplifiedBlockDiagramTypicalApplicationDiagram1kΩ4.7ΩRefertoIRAUDAMP5referencedesignfordetails.IRS2092©2007InternationalRectifier5QualificationInformation†Industrial††(perJEDECJESD47E)QualificationLevelComments:ThisIChaspassedJEDEC’sIndustrialqualification.IR’sConsumerqualificationlevelisgrantedbyextensionofthehigherIndustriallevel.SOIC16NMoistureSensitivityLevelDIP16MSL3†††(perIPC/JEDECJ-STD-020C)MachineModelClassB(perJEDECstandardJESD22-A114D)HumanBodyModelClass2(perEIA/JEDECstandardEIA/JESD22-A115-A)ESDChargedDeviceModelClassIV(perJEDECstandardJESD22-C101C)ICLatch-UpTestClassI,LevelA(perJESD78A)RoHSCompliantYes†QualificationstandardscanbefoundatInternationalRectifier’swebsite††Higherqualificationratingsmaybeavailableshouldtheuserhavesuchrequirements.PleasecontactyourInternationalRectifiersalesrepresentativeforfurtherinformation.†††HigherMSLratingsmaybeavailableforthespecificpackagetypeslistedhere.PleasecontactyourInternationalRectifiersalesrepresentativeforfurtherinformation.IRS2092©2007InternationalRectifier6AbsoluteMaximumRatingsAbsoluteMaximumRatingsindicatesustainedlimitsbeyondwhichdamagetothedevicemayoccur.AllvoltageparametersareabsolutevoltagesreferencedtoCOM;allcurrentsaredefinedpositiveintoanylead.TheThermalResistanceandPowerDissipationratingsaremeasuredunderboardmountedandstillairconditions.SymbolDefinitionMinMaxUnitsVBHighsidefloatingsupplyvoltage-0.3220VSHighsidefloatingsupplyvoltage(Note2)VB-20VB+0.3VHOHighsidefloatingoutputvoltageVS-0.3VB+0.3VCSHCSHpininputvoltageVS-0.3VB+0.3VCCLowsidefixedsupplyvoltage(Note2)-0.320VLOLowsideoutputvoltage-0.3Vcc+0.3VAAFloatinginputpositivesupplyvoltage(Note2)(SeeIAAZ)210VSSFloatinginputnegativesupplyvoltage(Note2)-1(SeeISSZ)GND+0.3VGNDFloatinginputsupplygroundvoltageVSS-0.3(SeeISSZ)VAA+0.3(SeeIAAZ)VIIN-Invertinginputcurrent(Note1)---±3mAVCSDSDpininputvoltageVSS-0.3VAA+0.3VCOMPCOMPpininputvoltageVSS-0.3VAA+0.3VDTDTpininputvoltage-0.3VCC+0.3VOCSETOCSETpininputvoltage-0.3VCC+0.3VIAAZFloatinginputpositivesupplyzenerclampcurrent(Note2)---20ISSZFloatinginputnegativesupplyzenerclampcurrent(Note2)---20ICCZLowsidesupplyzenerclampcurrent(Note3)---10IBSZFloatingsupplyzenerclampcurrent(Note3)---10IOREFReferenceoutputcurrent---5mAdVS/dtAllowableVsvoltageslewrate---50V/nsdVSS/dtAllowableVssvoltageslewrate(Note3)---50V/msSOIC16N---1.0PdMaximumpowerdissipation@TA≤+25°CDIP16---1.6WSOIC16N---115RthJAThermalresistance,JunctiontoambientDIP16---75°C/WTJJunctionTemperature---150°CTSStorageTemperature-55150°CTLLeadtemperature(soldering,10seconds)---300°CNote1:IN-containsclampingdiodetoGND.Note2:VDD–IN+,GND-VSS,VCC-COMandVB-VScontaininternalshuntzenerdiodes.Pleasenotethatthevoltageratingsofthesecanbelimitedbytheclampingcurrent.Note3:Fortherisingandfallingedgesofstepsignalof10V.VSS=15Vto200V.IRS2092©2007InternationalRectifier7RecommendedOperatingConditionsForproperoperation,thedeviceshouldbeusedwithintherecommendedconditionsbelow.TheVsandCOMoffsetratingsaretestedwithsuppliesbiasedatVAA-VSS=10V,