Si4754-55-56-57-A40Rev1.1

ConfidentialRev.1.18/13Copyright©2013bySiliconLaboratoriesSi4754/55/56/57-A40SiliconLaboratoriesConfidential.Informationcontainedhereiniscoveredundernon-disclosureagreement(NDA).Si4754/55/56/57-A40HIGH-PERFORMANCEAUTOMOTIVEAM/LW/SW/FM/RDSRADIORECEIVERFeaturesApplicationsDescriptionTheSi4754/55/56/57AM/FMreceiveremploysdigitallow-IFarchitecturetobringoutstandingreceiverperformancetotheautomotiveinfotainmentindustry.WorldwideFMbandsupport(64–108MHz)WorldwideAMbandsupport(520–1710kHz)LWbandsupport(144–288kHz)(Si4756/57only)SWbandsupport(2.3–30MHz)(Si4756/57only)RDS/RBDSdemodulator/decoder(Si4755/57only)IntegratedFMactivesplitterAddressescompanionAFscanningandTMCreceptionOutstandingreceiverperformanceFM111dBµVIP3with–3dBµVsensitivityFM70dBAudioSNRAdvancedAM/FMnoiseblankersDynamicAM/FMchannelbandwidthcontrolAdvancedAM/FMhi-cutcontrolAMlo-cutfilterAdvancedFMstereo-monoblendProgrammableAM/FMsoftmuteFullsuiteofsignalmetrics:RSSI,USN,SNR,multipathinterference,frequencyoffset,adjacentchannelRSSIAnalogFMMPXoutput(Si4755/57only)Frequencysynthesizerwithfully-integratedPLL-VCOIntegratedclockoscillatorDigitalLow-IFarchitectureEliminatesexpensive10.7MHzIFceramicfiltersOn-chipAM/FMAGCwithintegratedresistorandcapacitorbanksEliminatesexternalPINdiodeattenuators1.7to5VpowersuppliesQFN32-pin,5x5x0.85mm,RoHScompliantAEC-Q100qualifiedOEMautomotiveinfotainmentsystemsAftermarketcarradiosystemsOEMautomotivePNDdockingsystemsPatentspendingOrderingInformation:Seepage32.PinAssignmentsSi4754/55/56/57-A405x5QFNNC8AMI7FMI6FMO5FMREG4RFGND3FMXI2NC1DBYP17GND18NC19NC20NC21NC22NC23NC24A09A110RSTB11SDA12SCL13INTB14VIO15VD16FMAGC132FMAGC231DACREF30XTAL129XTAL2/RCLK28ROUT27LOUT/MPXOUT26VA25GNDPADSi4754/55/56/57-A402ConfidentialRev.1.1FunctionalBlockDiagramLNAREGROUTLOUT/MPXOUTINTBRSTBVIORFGNDAMIFMIFMORFREGFMXIFMAGC1FMAGC2RLRCLK/XTAL2XTAL1A0A1SDASCLSi475x0°/90°IFPKDLNARDSCNTRLCIKGenRFPKDRFPKDADCADCDACDACDSPRFPKDSi4754/55/56/57-A40ConfidentialRev.1.13TABLEOFCONTENTSSectionPage1.ElectricalSpecifications...................................................42.TypicalApplicationSchematic.............................................183.BillofMaterials..........................................................194.FunctionalDescription...................................................204.1.Overview..........................................................204.2.Clocking..........................................................224.3.Tuning............................................................224.4.AlternateFrequency(FM)Tuning.......................................224.5.FMReceiverFront-End...............................................234.6.AMReceiverFront-End...............................................244.7.ReceivedSignalQualifiers............................................244.8.StereoAudioProcessing..............................................244.9.De-emphasis.......................................................254.10.AnalogAudioandFMMPX...........................................254.11.SoftMute.........................................................254.12.AM/FMDynamicBandwidthControl....................................254.13.SeekandValidStationQualification....................................264.14.AM/FMNoiseBlanking..............................................264.15.AM/FMHi-CutControl...............................................264.16.AMLo-Cut........................................................264.17.SWReceiver(Si4756/57Only)........................................264.18.LWReceiver(Si4756/57Only)........................................265.RDS/RBDSAdvancedProcessor(Si4755/57Only).............................276.ProgrammingSection....................................................277.I2CControlBus..........................................................287.1.I2CDeviceAddressSelection..........................................287.2.I2CStandardOperation...............................................288.Reset,Powerup,andPowerdown...........................................299.PinDescriptions:Si4754/55/56/57..........................................3010.OrderingGuide.........................................................3211.PackageOutline........................................................3312.PCBLandPattern.......................................................3413.TopMarking...........................................................3613.1.Si4754/55/56/57TopMarking.........................................3613.2.TopMarkingExplanation............................................3614.AdditionalReferenceSources............................................37DocumentChangeList.....................................................38ContactInformation........................................................40Si4754/55/56/57-A404ConfidentialRev.1.11.ElectricalSpecificationsTable1.RecommendedOperationConditions*ParameterSymbolTestConditionMinTypMaxUnitAnalogSupplyVoltageVA4.555.5VDigitalSupplyVoltageVD2.73.33.6V