TheAD9522-31providesamultioutputclockdistributionfunctionwithsubpicosecondjitterperformance,alongwithanon-chipPLLandVCO.Theon-chipVCOtunesfrom1.72GHzto2.25GHz.Anexternal3.3V/5VVCO/VCXOofupto2.4GHzcanalsobeused.
TheAD9522serialinterfacesupportsbothSPIandI2C®ports.Anin-packageEEPROMcanbeprogrammedthroughtheserialinterfaceandstoreuser-definedregistersettingsforpower-upandchipreset.
TheAD9522features12LVDSoutputsinfourgroups.Anyofthe800MHzLVDSoutputscanbereconfiguredastwo250MHzCMOSoutputs.
Eachgroupofoutputshasadividerthatallowsboththedivideratio(from1to32)andthephase(coarsedelay)tobeset.
TheAD9522isavailableina64-leadLFCSPandcanbeoperatedfromasingle3.3Vsupply.TheexternalVCOcanhaveanoperatingvoltageupto5.5V.
TheAD9522isspecifiedforoperationoverthestandardindustrialrangeof−40°Cto+85°C.
TheAD9520-3isanequivalentparttotheAD9522-3featuringLVPECL/CMOSdriversinsteadofLVDS/CMOSdrivers.
1TheAD9522isusedthroughoutthisdatasheettorefertoallthemembersoftheAD9522family.However,whenAD9522-3isused,itisreferringtothatspecificmemberoftheAD9522family.