TheADN2817/ADN2818providethereceiverfunctionsofquantization,signalleveldetect,andclockanddatarecoveryforcontinuousdataratesfrom10Mbpsto2.7Gbps.TheADN2817/ADN2818automaticallylocktoalldatarateswithouttheneedforanexternalreferenceclockorprogramming.AllSONETjitterrequirementsareexceeded,includingjittertransfer,jittergeneration,andjittertolerance.Allspecificationsarequotedfor−40°Cto+85°Cambienttemperature,unlessotherwisenoted.
Thisdevice,togetherwithaPINdiodeandaTIApreamplifier,canimplementahighlyintegrated,lowcost,andlowpowerfiberopticreceiver.
TheADN2817/ADN2818havemanyoptionalfeaturesavailablethroughanI2C®interface.Forexample,theusercanreadbackthedatarateontowhichtheADN2817orADN2818islocked,ortheusercansetthedevicetolockonlytooneparticulardatarateifprovisioningofdataratesisrequired.ABERMONcircuitprovidesanestimateofthereceivedbiterrorrate(BER)withoutinterruptionofthedata.Alternatively,theusercanadjustthedatasamplingphasetooptimizethereceivedBER.
TheADN2817/ADN2818areavailableinacompact5mm×5mm,32-lead,leadframechipscalepackage.
