TheADCMP604/ADCMP605areveryfastcomparatorsfabricatedontheAnalogDevices,Inc.proprietaryXFCB2process.Thesecomparatorsareexceptionallyversatileandeasytouse.FeaturesincludeaninputrangefromVEE−0.5VtoVCCI+0.2V,lownoise,LVDS-compatibleoutputdrivers,andTTL/CMOSlatchinputswithadjustablehysteresisand/orshut-downinputs.
Thedevicesoffer1.5nspropagationdelayswith1psrmsrandomjitter(RJ).Overdriveandslewratedispersionaretypicallylessthan50ps.Aflexiblepowersupplyschemeallowsthedevicestooperatewithasingle2.5Vpositivesupplyanda−0.5Vto+2.7Vinputsignalrangeuptoa5.5Vpositivesupplywitha−0.5Vto+5.7Vinputsignalrange.Splitinput/outputsupplies,withnosequencingrestrictionsontheADCMP605,supportawideinputsignalrangewithgreatlyreducedpowerconsumption.
TheLVDS-compatibleoutputstageisdesignedtodriveanystandardLVDSinput.Thecomparatorinputstageoffersrobustprotectionagainstlargeinputoverdrive,andtheoutputsdonotphasereversewhenthevalidinputsignalrangeisexceeded.Highspeedlatchandprogrammablehysteresisfeaturesarealsoprovidedinauniquesingle-pincontroloption.
TheADCMP604isavailableina6-leadSC70package,andtheADCMP605isavailableina12-leadLFCSP.