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1、19-0791;Rev2;6/10EVALUATIONKITAVAILABLEUniversalGPSReceiverGeneralDescriptionFeaturesMAX2769TheMAX2769istheindustry’sfirstglobalnavigationGPS/GLONASS/GalileoReceiverssatellitesystem(GNSS)receivercoveringGPS,NoExternalIFSAWorDiscreteFiltersRequiredGL
2、ONASS,andGalileonavigationsatellitesystemsonaProgrammableIFFrequencysinglechip.Thissingle-conversion,low-IFGNSSreceiverFractional-NSynthesizerwithIntegratedVCOisdesignedtoprovidehighperformanceforawiderangeSupportsWideRangeofReferenceFrequenciesofco
3、nsumerapplications,includingmobilehandsets.Dual-InputUncommittedLNAforSeparateDesignedonMaxim’sadvanced,low-powerSiGePassiveandActiveAntennaInputsBiCMOSprocesstechnology,theMAX2769offersthe1.4dBCascadeNoiseFigurehighestperformanceandintegrationatalo
4、wcost.IntegratedCrystalOscillatorIncorporatedonthechipisthecompletereceiverchain,includingadual-inputLNAandmixer,followedIntegratedActiveAntennaSensorbytheimage-rejectedfilter,PGA,VCO,fractional-N10mASupplyCurrentinLow-PowerModefrequencysynthesizer
5、,crystaloscillator,andamultibit2.7Vto3.3VSupplyVoltageADC.ThetotalcascadednoisefigureofthisreceiverisSmall,28-Pin,RoHS-Compliant,ThinQFNLead-aslowas1.4dB.FreePackage(5mmx5mm)TheMAX2769completelyeliminatestheneedforexternalIFfiltersbyimplementingon-c
6、hipmonolithicfiltersandOrderingInformationrequiresonlyafewexternalcomponentstoformacom-pletelow-costGPSreceiversolution.PARTTEMPRANGEPIN-PACKAGETheMAX2769isthemostflexiblereceiverontheMAX2769ETI+-40°Cto+85°C28ThinQFN-EP*market.Theintegrateddelta-sigma
7、fractional-NfrequencysynthesizerallowsprogrammingoftheIFfrequencyMAX2769E/W-40°Cto+85°CDice(InWaferForm)withina±40Hzaccuracywhileoperatingwithanyrefer-+Denotesalead(Pb)-free/RoHS-compliantpackage.enceorcrystalfrequenciesthatareavailableinthe*EP=Expose
8、dpaddle.hostsystem.TheintegratedADCoutputs1or2quan-tizedbitsforbothIandQchannels,orupto3quan-tizedbitsfortheIchannel.OutputdataisavailableeitherattheCMOSlogicoratthelimiteddifferentialPinConfiguration/BlockDiagramlogiclevels.TheMAX2769ispackag
