TheAD9520-11providesamultioutputclockdistributionfunctionwithsubpicosecondjitterperformance,alongwithanon-chipPLLandVCO.Theon-chipVCOtunesfrom2.27GHzto2.65GHz.Anexternal3.3V/5VVCO/VCXOofupto2.4GHzcanalsobeused.

TheAD9520serialinterfacesupportsbothSPIandI2C®ports.Anin-packageEEPROMcanbeprogrammedthroughtheserialinterfaceandstoreuser-definedregistersettingsforpower-upandchipreset.

TheAD9520features12LVPECLoutputsinfourgroups.Anyofthe1.6GHzLVPECLoutputscanbereconfiguredastwo250MHzCMOSoutputs

Eachgroupofoutputshasadividerthatallowsboththedivideratio(from1to32)andthephase(coarsedelay)tobeset.

TheAD9520isavailableina64-leadLFCSPandcanbeoperatedfromasingle3.3Vsupply.TheexternalVCOcanhaveanoperatingvoltageupto5.5V.Aseparateoutputdriverpowersupplycanbefrom2.375Vto3.465V

TheAD9520isspecifiedforoperationoverthestandardindustrialrangeof−40°Cto+85°C.

1TheAD9520isusedthroughoutthisdatasheettorefertoallthemembersoftheAD9520family.However,whenAD9520-1isused,itisreferringtothatspecificmemberoftheAD9520family.