LM48580 High Efficiency Class H, High Voltage, …

1 Copyright 2018, Texas Instruments IncorporatedOUTPUT STAGEVDDVAMPIN+IN-SGNDOUT+OUT-+ to + CONVERTERGAIN PH1 PF10 PFCINCINP roductFolderOrderNowTechnicalDocumentsTo ols &SoftwareSupport &CommunityAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand FEBRUARY2010 REVISEDFEBRUARY2018LM48580 Boomer AudioPowerAmplifierSeriesHigh EfficiencyClass H, High Voltage, HapticPiezo Actuator/ CeramicSpeakerDriver11 Features1 ClassH Driver IntegratedBoostConverter Bridge-tiedLoadOutput DifferentialInput ThreePin-ProgrammableGains Low SupplyCurrent MinimumExternalcomponents Micro-PowerShutdown ThermalOverloadProtection Availablein Space-Saving12-bumpDSBGAP ackage2 Applications TouchScreenSmartPhones TabletPCs PortableElectronicDevices MP3 Players Key Specifications.

2 OutputVoltageat VDD= V,RL= 6 F + 10 , THD+N 1% 30 VP-P(Typical) QuiescentPowerSupplyCurrentat V mA (Typical) PowerDissipationat 25 VP-P 800 mW (Typical) ShutdownCurrent A (Typical)3 DescriptionThe LM48580is a fully differential,high voltagedriverfor piezoactuatorsand ceramicspeakersfor TI s Powerwise productline, the LM48580 ClassH architectureofferssignificantpowersaving scomparedto traditionalClassAB VP-Poutputdrivewhileconsumingjust15 a singlesupplydriverwithanintegratedboostc onverterwhichallowsthe devicetodeliver30 VP-Pfroma V lowpowerShutdownmodethatreducesquiescent currentconsumptionto LM48580is availablein an (1)PARTNUMBERPACKAGEBODYSIZE(NOM) x (1)

3 For all availablepackages,see the orderableaddendumatthe end of the FEBRUARY2010 : LM48580 SubmitDocumentationFeedbackCopyright 2010 2018,TexasInstrumentsIncorporatedTableof Contents1 Pin Configurationand ElectricalCharacteristics:VDD= Applicationand Deviceand Mechanical,Packaging,and RevisionHistoryNOTE:Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (May2013)to RevisionBPage AddedDeviceInformationtable,ESDtable,The rmalInformationtable,ParameterMeasuremen tInformation,FeatureDescription,DeviceFu nctionalModes,PowerSupplyRecommendations ,Layoutsection,DeviceandDocumentationSup port, andMechanical,Packaging, (February2010)to RevisionAPage Changedlayoutof NationalDataSheetto TI +IN-PGNDSGNDSHDNSWABCDOUT-GAINOUT+ FEBRUARY2010 REVISEDFEBRUARY2018 ProductFolderLinks.

4 LM48580 SubmitDocumentationFeedbackCopyright 2010 2018,TexasInstrumentsIncorporated5 Pin Configurationand FunctionsDSBGAP ackageYZR12-PinTop ViewYZR0012 Package(BumpsUp) ViewPin FunctionsBumpNameDescriptionA1 OUT+AmplifierNon-InvertingOutputA2 SGNDA mplifierGroundA3IN+AmplifierNon-Invertin gInputB1 OUT-AmplifierInvertingOutputB2 GAINGainSelect:GAIN= float:AV= 18dBGAIN= GND:AV= 24dBGAIN= VDD: AV= VBSTC2 SHDNA ctiveLow to VDDfor FEBRUARY2010 : LM48580 SubmitDocumentationFeedbackCopyright 2010 2018,TexasInstrumentsIncorporated(1)Stre ssesbeyondthoselistedunderAbsoluteMaximu mRatingsmay causepermanentdamageto the stressratingsonly,whichdo not implyfunctionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditions.

5 Exposureto absolute-maximum-ratedconditionsfor extendedperiodsmay affectdevicereliability.(2)If Military/Aerospacespecifieddevicesare required,pleasecontactthe TexasInstrumentsSalesOffice/Distributors for Specifications7 AbsoluteMaximumRatingsoveroperatingfree- airtemperaturerange(unlessotherwisenoted )(1)(2)MINMAXUNITS upplyVoltage6 VSW Voltage25 VVBSTV oltage21 VVAMP17 VInputVoltage + ,Tstg 65150 CJunctionTemperature150 C(1)JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a standardESDcontrolprocess.(2)JEDEC documentJEP157statesthat 250-VCDM allowssafe manufacturingwith a ESDR atingsVALUEUNITV(ESD)Electrostaticdischa rgeHuman-bodymodel(HBM),per ANSI/ESDA/JEDECJS-001(1) 2000 VCharged-devicemodel(CDM),per JEDEC specificationJESD22-C101(2) 7509 RecommendedOperatingConditionsoveroperat ingfree-airtemperaturerange(unlessotherw isenoted)MINNOMMAXUNITT emperatureRange 40TA85 (1)For moreinformationabouttraditionaland new thermalmetrics,see ThermalInformationTHERMALMETRIC(1)LM4858 0 UNITYZR(DSBGA)12 PINSR C/WR JC(top)Junction-to-case(top) C/WR C/W C/W C/WR JC(bot)

6 Junction-to-case(bottom)thermalresistanc en/a FEBRUARY2010 REVISEDFEBRUARY2018 ProductFolderLinks: LM48580 SubmitDocumentationFeedbackCopyright 2010 2018,TexasInstrumentsIncorporated(1)TheE lectricalCharacteristicstableslist ensuredspecificationsunderthe listedRecommendedOperatingConditionsexce ptasotherwisemodifiedor specifiedby estimationsonly andare not ensured.(2)Datasheetmin/maxspecification limitsare specifiedby design,test, or statisticalanalysis.(3)Typicalvaluesrepr esentmostlikelyparametricnormsat TA= +25 C, and at theRecommendedOperationConditionsat the time ofproductcharacterizationand are not ElectricalCharacteristics.

7 VDD= V(1)The followingspecificationsapplyfor RL= 6 F + 10 , CBST= 1 F, CIN= F, AV= 24 dB TA= 25 (2)Typ(3)Max(2) ,VIN= 0V, RL= VDD= 3V3mAPDP owerConsumptionVOUT= 25P-P, f = 200 HzVDD= V63360mVAVGainGAIN= RINGainInputResistanceto GND575k to VDD131k VINM aximumInputVoltageRangeAV= 18dB3VP-PVOUTO utputVoltagef = 200 Hz, THD+N= 1%VDD= 3 = 2 kHz,THD+N= 5%VDD= V11VP-PVDD= 3 +NTotalHarmonicDistortion+ NoiseVOUT= 25VP-P, f = V + 200 mVp-psine,InputsAC GNDfRIPPLE= 217 Hz,75dBfRIPPLE= 1 kHz71dBCMRRC ommonModeRejectionRatioVCM= 200mVP-PsinefRIPPLE= 217 Hz56dBfRIPPLE= 1 VOLTAGE (VP-P)THD+N (%)f = 2 kHzf = 200 VOLTAGE (VP-P)THD+N (%)f = 2 kHzf = 200 (Hz)

8 OUTPUT VOLTAGE (VP-P) (Hz)OUTPUT VOLTAGE (VP-P) (Hz)THD+N (%) (Hz)THD+N (%)6LM48580 SNAS491B FEBRUARY2010 : LM48580 SubmitDocumentationFeedbackCopyright 2010 2018, VVOUT= 9 VP-PRL= 6 F + 10 Figure1. THD+Nvs FrequencyVDD= VVOUT= 10 VP-PRL= 6 F + 10 Figure2. THD+Nvs FrequencyVDD= VTHD+N= 5%RL= 6 F + 10 Figure3. OutputVoltagevs FrequencyVDD= VTHD+N= 5%RL= 6 F + 10 Figure4. OutputVoltagevs FrequencyVDD= VRL= 6 F + 10 Figure5. THD+Nvs OutputVoltageVDD= VRL= 6 F + 10 Figure6. THD+Nvs OutputVoltage-90-80-70-60-50-40-30-20-10 010100100010000100000 FREQUENCY (Hz)PSRR (dB)-90-80-70-60-50-40-30-20-10010100100 010000100000 FREQUENCY (Hz)PSRR (dB) VOLTAGE (V)OUTPUT VOLTAGE (VP-P)0500100015002000250030000510152025 3035 OUTPUT VOLTAGE (VP-P)POWER DISSIPATION (mW)f = 2 kHzf = 200 Hz0500100015002000250005101520253035 OUTPUT VOLTAGE (VP-P)POWER DISSIPATION (mW)f = 2 kHzf = 200 FEBRUARY2010 REVISEDFEBRUARY2018 ProductFolderLinks.

9 LM48580 SubmitDocumentationFeedbackCopyright 2010 2018,TexasInstrumentsIncorporatedTypical PerformanceCharacteristics(continued)VDD = VRL= 6 F + 10 Figure7. PowerConsumptionvs OutputVoltageVDD= VRL= 6 F + 10 Figure8. PowerConsumptionvs OutputVoltageRL= 6 F + 10 ,f = 200 HzFigure9. OutputVoltagevs SupplyVoltageVDD= Vf = 200 HzRL= 6 F + 10 ,VRIPPLE= 200 mVP-PFigure10. PSRRvs FrequencyVDD= VVCM= 1 VP-PRL= 6 F + 10 Figure11. CMRRvs FrequencyCopyright 2018, Texas Instruments Incorporated+-DUTZLANALYZERVDD200 mVp-pVDDIN+IN-Copyright 2018, Texas Instruments IncorporatedDUTZLANALYZER200 mVp-pVDDIN+IN-+-VDD8LM48580 SNAS491B FEBRUARY2010 : LM48580 SubmitDocumentationFeedbackCopyright 2010 2018,TexasInstrumentsIncorporated12 ParameterMeasurementInformationFigure12.

10 PSRRTestCircuitFigure13. CMRRTestCircuitCopyright 2018, Texas Instruments IncorporatedOUTPUT STAGEVDDVAMPIN+IN-SGNDOUT+OUT-+ to + CONVERTERGAIN PH1 PF10 FEBRUARY2010 REVISEDFEBRUARY2018 ProductFolderLinks: LM48580 SubmitDocumentationFeedbackCopyright 2010 2018,TexasInstrumentsIncorporated13 LM48580is a fully differential,ClassH ceramicelementdriverfor ceramicspeakersand integrated,highefficiencyboostconverterd ynamicallyadjuststhe amplifier s supplyvoltagebasedon theoutputsignal,increasingheadroomand improvingefficiencycomparedto a conventionalClassAB differentialamplifiertakesadvantageof the increasedheadroomand bridge-tiedload(BTL)