LNA_datasheet_SKY65971

SkyworksSolutions,Inc.•Phone[781]376-3000•Fax[781]376-3100•[e-mail]••SkyworksProprietaryInformation•ProductsandProductInformationAreSubjectToChangeWithoutNotice•June4,20131PRELIMINARYDATASHEETSKY65971-11:2GHz,256QAMLow-NoiseAmplifierApplications•256QAM,802.11g/nWLANs•2GHzISMradios•Smartphones•Notebooks,netbooks,tablets•Accesspoints,routers,gateways•WirelessvideosystemsFeatures•Ultra-lowNoiseFigure•2.4GHzto2.5GHzoperation•Enable/disable/bypassmodes•HighIIP3•Highgain•2.8Vto3.6Vsingle-supplyoperation•QFN(6-pin,1.5x1.5mm)package(MSL1,260°CperJEDECJ-STD-020)Figure1.SKY65971-11LNABlockDiagramDescriptionTheSKY65971-11isanultraLow-NoiseAmplifier(LNA)intendedfor2GHz,256QuadratureAmplitudeModulation(QAM)wirelessreceiverapplications.Itsindustry-leadingNoiseFigure(NF),togetherwithhighlinearity,makeitidealasafirst-stageLNAin256QAMWirelessLocalAreaNetwork(WLAN)radios.Operatingwithasinglesupplyvoltage,theSKY65971-11consumesonly13mAofcurrent.Thedeviceincludesabypassmodefornearfieldapplicationsandtosavepowerwhenthereceiverisinactive.ThetinypackagefootprintoftheSKY65971-11,requiringonlyfourexternalcomponents,enablestheindustry’ssmallestPCBareaneededtoimplementa2GHzLNA.AblockdiagramoftheSKY65971-11isshowninFigure1.Thedevicepackageandpinoutforthe6-pinQuadFlatNo-Lead(QFN)areshowninFigure2.Figure2.SKY65971-11Pinout–6-PinQFNPackage(TopView)PRELIMINARYDATASHEET•SKY65971-112GHZLNASkyworksSolutions,Inc.•Phone[781]376-3000•Fax[781]376-3100•[e-mail]••SkyworksProprietaryInformation•ProductsandProductInformationAreSubjectToChangeWithoutNotice•201633ITechnicalDescriptionTheSKY65971-11isfullymatchedat50Ωandrequiresonlyasimplebypasscircuitonpin6(VCC).Thebypass/shutdownmodeisachievedbyswitchingtheLNA_ENsignal(pin1)to0V.PackageandHandlingInformationInstructionsontheshippingcontainerlabelregardingexposuretomoistureafterthecontainersealisbrokenmustbefollowed.Otherwise,problemsrelatedtomoistureabsorptionmayoccurwhenthepartissubjectedtohightemperatureduringsolderassembly.TheSKY65971-11isratedtoMoistureSensitivityLevel1(MSL1)at260°C.Itcanbeusedforleadorlead-freesoldering.Foradditionalinformation,refertotheSkyworksApplicationNote,SolderReflowInformation,documentnumber200164.Caremustbetakenwhenattachingthisproduct,whetheritisdonemanuallyorinaproductionsolderreflowenvironment.Productionquantitiesofthisproductareshippedinastandardtapeandreelformat.ElectricalandMechanicalSpecificationsSignalpinassignmentsandfunctionalpindescriptionsaredescribedinTable1.TheabsolutemaximumratingsoftheSKY65971-11areprovidedinTable2.TherecommendedoperatingconditionsarespecifiedinTable3andelectricalspecificationsareprovidedinTable4.PerformancecharacteristicsfortheSKY65971-11areillustratedinFigures3through8.AnapplicationschematicdiagramfortheSKY65971-11isshowninFigure9.ThePCBfootprintdrawingfortheSKY65971-11isprovidedinFigure10.TypicalpartmarkingsareshowninFigure11.Thepackagedimensionsforthe6-pinQFNareshowninFigure12,andthetapeandreeldimensionsareprovidedinFigure13.Table1.SKY65971-11PinAssignmentsandSignalDescriptionsPin#NameDescription1LNA_EN/BYPASSLNAenable(whenpulledhigh)orbypass(whenpulledlow)controlinput2RF_INLNARFinput3GNDGround4GNDGround5RF_OUTLNARFoutput6VCCSupplyvoltageforLNATable2.AbsoluteMaximumRatingsParameterSymbolMinimumMaximumUnitsSupplyvoltageVCC03.6VDCvoltageatcontrolportsVENABLE03.6VPowerintoLNAinputsPIN,LNA+10dBmReceivepower(ANTterminatedin50Ωmatch,OFDM,VCC=3.45V)PIN+5dBmOperatingtemperatureTA–40+85°CStoragetemperatureTSTG–40+125°CElectrostaticDischarge,HumanBodyModel(HBM),Class1CESD1000VNote:Exposuretomaximumratingconditionsforextendedperiodsmayreducedevicereliability.Thereisnodamagetodevicewithonlyoneparametersetatthelimitandallotherparameterssetatorbelowtheirnominalvalues.Exceedinganyofthelimitslistedheremayresultinpermanentdamagetothedevice.CAUTION:Althoughthisdeviceisdesignedtobeasrobustaspossible,ElectrostaticDischarge(ESD)candamagethisdevice.ThisdevicemustbeprotectedatalltimesfromESD.Staticchargesmayeasilyproducepotentialsofseveralkilovoltsonthehumanbodyorequipment,whichcandischargewithoutdetection.Industry-standardESDprecautionsshouldbeusedatalltimes.PRELIMINARYDATASHEET•SKY65971-112GHZLNASkyworksSolutions,Inc.•Phone[781]376-3000•Fax[781]376-3100•[e-mail]••SkyworksProprietaryInformation•ProductsandProductInformationAreSubjectToChangeWithoutNotice•June4,20133Table3.RecommendedOperatingConditions(@+25°C,VCC=3.3V)ParameterSymbolMinimumTypicalMaximumUnitsSupplyvoltageVCC03.6VRFfrequencyrangef2.42.5GHzOperatingtemperaturerangeTA–40+85°CDCvoltageatcontrolport:HighLowVENABLE_HVENABLE_L1.803.60.2VVTable4.ElectricalCharacteristics(Note1)(VCC=3.3V,TA=+25°C,f=2.4to2.5GHz,VENABLE=3.3V,UnlessOtherwiseNoted)ParameterSymbolTestConditionsMinimumTypicalMaximumUnitsEnableMode(LNA_EN=3.3V)Gain|S21|13.014.5dBGainflatnessacrossband|S21|0.3Outofbandgain@5.18GHzS21_5.18–8dBNoiseFigureNF1.31.5dB3rdOrderInputInterceptPointIIP3+7dBmIn-band1dBcompressionp