rda3570-datasheet-v2.3

RDAMicroelectronics,Inc.RDA3570CMOSIntegratedSatelliteLNBTunerforC-Band______TheinformationcontainedhereinistheexclusivepropertyofRDAandshallnotbedistributed,reproduced,ordisclosedinwholeorinpartwithoutpriorwrittenpermissionofRDA.RDA3570CMOSIntegratedSatelliteLNBTunerforC-BnadDDAATTAASSHHEEEETTRDAMicroelectronics,Inc.RDA3570CMOSIntegratedSatelliteLNBTunerforC-BandTheinformationcontainedhereinistheexclusivepropertyofRDAandshallnotbedistributed,reproduced,ordisclosedinwholeorinpartwithoutpriorwrittenpermissionofRDA.1UpdateHistoryRevDateAuthorHistoryDescription1.02009-12-18xuesongyinTheprimarydatasheet1.12010-03-23xuesongyinRefreshtheLOpindefinition2.02011-06-17XiaoqiyouUpdatato3*3package2.22011-08-01XiaoqiyouUpdataapplicationcircuit2.32011-08-02XiaoqiyouUpdatapackageRDAMicroelectronics,Inc.RDA3570CMOSIntegratedSatelliteLNBTunerforC-BandTheinformationcontainedhereinistheexclusivepropertyofRDAandshallnotbedistributed,reproduced,ordisclosedinwholeorinpartwithoutpriorwrittenpermissionofRDA.2FeatureszCMOSIntegratedCbandtoLbanddownconverterzIntegratedVCOandPLLzIntegratedpre-amplifier,mixerandLbandbufferamplifierzIntegratedreferenceoscillator(27MHzisdefault)zIntegratedpolarvoltageselectionzIntegratednegativevoltagegeneratorandphemtFETbiascontrolzLowphasenoisezSupportLOfrequencyof5.15GHzand5.75GHzz5.5Vto6.5VoperationzLowspuriouszLowerprofilepackages:3×3mmQFN20ApplicationszCbandLNBconvertersfordigitalsatellitereceptionRDAMicroelectronics,Inc.RDA3570CMOSIntegratedSatelliteLNBTunerforC-Band______TheinformationcontainedhereinistheexclusivepropertyofRDAandshallnotbedistributed,reproduced,ordisclosedinwholeorinpartwithoutpriorwrittenpermissionofRDA.6PinInformationPinDescriptionPinnumberNameI/ODESCRIPTION2RFICbandsignalinput,ACcouplingrequired5Vg_hI/OTheexternalhorizotalpolarizationFETgatecontrolvoltage6Vd_hOTheexternalhorizontalpolarizationFETdraincontrolvoltage8IFOUTOLbandsignaloutput,ACcouplingrequired10PolarIPolarizationvoltageinput,thepolarizationvoltageconnectionmustfollowtheRDAMicroelectronics,Inc.RDA3570CMOSIntegratedSatelliteLNBTunerforC-BandTheinformationcontainedhereinistheexclusivepropertyofRDAandshallnotbedistributed,reproduced,ordisclosedinwholeorinpartwithoutpriorwrittenpermissionofRDA.7referenceapplicationcircuits11DVDD.OOutputofthesupplyvoltageforinternalDigitalcircuits,Connectedtocapfordecoupling12vg_st2I/OTheexternalsecondstageFETgatecontrolvoltage13vd_st2OTheexternalsecondstageFETdraincontrolvoltage14vg_vI/OTheexternalverticalpolarizationFETgatecontrolvoltage15vd_v.OTheexternalverticalpolarizationFETdraincontrolvoltage16RcalIThephmetfetcurrentadjustionport,defaultis33ktogndfor10mAsupplycurrent17XTAL2I/OConnectedtoXTAL(27MHzisrecommended)18XTAL1I/OConnectedtoXTAL19VBATISupplyvoltageofthechip,defaultvalueis5V20LO_SELILOfrequencyseletionport.WhenconnectedtoNC,5.15GHzLOenabled,whenconnectedtoVbatorGND,5.75GHzLOenabled1,2,3,7,9GNDIGNDLO_SELDescriptionLO_SEL(V)LOfrequency(GHz)VBATorGND5.75GHzLONC5.15GHzLOIt’sbetternotdirectlyconnecttheLO_SELpintoVBAT，sincethe5Vvoltagemaybesohightomakethispinnotstable.Seetheapplicationreferencedesign,theVBATneedtobedividedto3.5Vusingtheexternalresisters.PhemtcontrolpinfunctiondiscriptionPolarizationvoltage(V)vg_h(pin5)vd_h(pin6)vg_v(pin14)vd_v(pin15)vg_st2(pin12)vd_st2(pin13)3.1ononoffoffonon2.8offoffononononPin18–RcalconnectionDescriptionRcaltogndresistorvalue(K)Thephemtsupplycurrentvalue(mA)Thefetdrainsupplyvoltage(vd_h,vd_v,vd_st2)(V)33102.019151.915201.8RDAMicroelectronics,Inc.RDA3570CMOSIntegratedSatelliteLNBTunerforC-BandTheinformationcontainedhereinistheexclusivepropertyofRDAandshallnotbedistributed,reproduced,ordisclosedinwholeorinpartwithoutpriorwrittenpermissionofRDA.8Pin9–PolarapplicationdescriptionSeetheapplicationcircuitstofindthedetailconnectionofpin10.Sincethispincannotbedirectlyconnectedto13/18Vpolarizationvoltage,thepolarizationvoltagemustbedividedtoalowvoltage.Thethresholdvoltageoftheswitchingbetweentheverticalandhorizontalcontrolisasbelow:VBAT(V)TheH/Vswitchingthresholdvoltage(V)Thefunctiondescription633.1-H,2.8–VElectricalSpecificationsParameterSYMBOLCONDITIONSMINTYPMAXUNITSupplyvoltageVBATRFinputandIFoutput(ACcoupled)5.566.5VSupplycurrentIccRFinputandIFoutput(ACcoupled)95mAIntegrationoffsetfrequency=1kHzto10MHzIntegratedphasenoisedensityΦnλ(itg)1.2°RMSImagerejectionratioIMRR3839dBRFinputfrequencyfIN3.74.2GHzSinglesidebandnoisefigureNFSSB10dBConversiongainGconv3637dBConversiongainvariationΔGconv1dBInputreflectioncoefficientS11-8dBOutputreflectioncoefficientS22-10dBCarrierpower=-10dBm(measuredatoutput)Outputthird-orderinterceptpointOIP318dBmOutput1-dBcompressionpointOP1dB8dBmLocaloscillatortoRFleakageαL(RF)loLo=5.15GHz-52dBmLocaloscillatortoIFleakageαL(IF)loLo=5.15GHz-42dBmSpuriousresponseonpinIFOUTαresp(sp)IF_OUTCenterfrequency=1.3GHz-65dBmΔf=1kHz-80-74dBc/HzΔf=10kHz-87-85dBc/HzΔf=100kHz-94-92dBc/HzSpotphasenoisePNΔf=1MHz-112-110dBc/HzRDAMicroelectronics,Inc.RDA3570CMOSIntegratedSatelliteLNBTunerforC-BandTheinformationcontainedhereinistheexclusivepropert