ADF4360_1

IntegratedSynthesizerandVCOADF4360-1Rev.AInformationfurnishedbyAnalogDevicesisbelievedtobeaccurateandreliable.However,noresponsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorotherrightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.NolicenseisgrantedbyimplicationorotherwiseunderanypatentorpatentrightsofAnalogDevices.Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.OneTechnologyWay,P.O.Box9106,Norwood,MA02062-9106,U.S.A.Tel:[phone]©2004AnalogDevices,Inc.Allrightsreserved.FEATURESOutputfrequencyrange:2050MHzto2450MHzDivide-by-2output3.0Vto3.6Vpowersupply1.8VlogiccompatibilityInteger-NsynthesizerProgrammabledual-modulusprescaler8/9,16/17,32/33Programmableoutputpowerlevel3-wireserialinterfaceAnaloganddigitallockdetectHardwareandsoftwarepower-downmodeAPPLICATIONSWirelesshandsets(DECT,GSM,PCS,DCS,WCDMA)TestequipmentWirelessLANsCATVequipmentGENERALDESCRIPTIONTheADF4360-1isafullyintegratedinteger-Nsynthesizerandvoltagecontrolledoscillator(VCO).TheADF4360-1isdesignedforacenterfrequencyof2250MHz.Inaddition,thereisadivide-by-2optionavailable,wherebytheusergetsanRFoutputofbetween1025MHzand1225MHz.Controlofalltheon-chipregistersisthroughasimple3-wireinterface.Thedeviceoperateswithapowersupplyrangingfrom3.0Vto3.6Vandcanbepowereddownwhennotinuse.FUNCTIONALBLOCKDIAGRAMMUXOUTCPVVCOREFINCLKDATALEAVDDDVDDCEAGNDDGNDCPGNDRSETVTUNECCCNRFOUTARFOUTBVCOCOREPHASECOMPARATORMUTEDIVSEL=2DIVSEL=1N=(BP+A)LOADLOADCHARGEPUMPOUTPUTSTAGEMULTIPLEXERINTEGERREGISTER13-BITBCOUNTER14-BITRCOUNTER24-BITFUNCTIONLATCH24-BITDATAREGISTER5-BITACOUNTERPRESCALERP/P+1MULTIPLEXERLOCKDETECT÷2ADF4360-104414-0-001Figure1.ADF4360-1Rev.A|Page2of24TABLEOFCONTENTSSpecifications.....................................................................................3TimingCharacteristics.....................................................................5AbsoluteMaximumRatings............................................................6TransistorCount...........................................................................6ESDCaution..................................................................................6PinConfigurationandFunctionDescriptions.............................7TypicalPerformanceCharacteristics.............................................8CircuitDescription...........................................................................9ReferenceInputSection...............................................................9Prescaler(P/P+1)........................................................................9AandBCounters.........................................................................9RCounter......................................................................................9PFDandChargePump................................................................9MUXOUTandLockDetect......................................................10InputShiftRegister.....................................................................10VCO.............................................................................................10OutputStage................................................................................11LatchStructure...........................................................................12ControlLatch..............................................................................16NCounterLatch.........................................................................17RCounterLatch.........................................................................17Applications.....................................................................................18DirectConversionModulator..................................................18FixedFrequencyLO...................................................................19Power-Up.....................................................................................19Interfacing...................................................................................19PCBDesignGuidelinesforChip-ScalePackage..........................20OutputMatching........................................................................20OutlineDimensions.......................................................................21OrderingGuide..........................................................................21REVISIONHISTORY6/04—DataSheetChangedfromRev.0toRev.AChangestoSpecifications................................................................3ChangestoTable6..........................................................................12ChangestoTable7..........................................................................13ChangestoTable9..........................................................................158/03—Revision0:InitialVersionADF4360-1Rev.A|Page3of24SPECIFICATIONS1AVDD=DVDD=VVCO=3.3V±10%;AGND=DGND=0V;TA=TMINtoTMAX,unlessotherwisenoted.Table1.ParameterBVersionUnitConditions/CommentsREFINCHARAC