TheAD8146/AD8147/AD8148arehighspeedtriple,differentialorsingle-endedinputtodifferentialoutputdrivers.TheAD8146andAD8147haveafixedgainof2,andtheAD8148hasafixedgainof4.TheyareallspecificallydesignedforthehighestresolutioncomponentvideosignalsbutcanbeusedforanytypeofanalogsignalsorhighspeeddatatransmissionovereitherCategory5UTPcableordifferentialprintedcircuitboard(PCB)transmissionlines.
Thesedriverscanbeusedwiththe
ManufacturedontheAnalogDevices,Inc.secondgenerationXFCBbipolarprocess,thedrivershavelargesignalbandwidthsof700MHzandfastslewrates.Theyhaveaninternalcommon-modefeedbackfeaturethatprovidesoutputamplitudeandphasematchingthatisbalancedto−60dBat50MHz,suppressingeven-orderharmonicsandminimizingradiatedelectromagneticinterference(EMI).
Thecommon-modevoltageofeachAD8146outputcanbesettoanylevel,allowingtransmissionofsignalsoverthecommon-modevoltages.TheAD8147andAD8148encodetheverticalandhorizontalsyncsignalsonthecommon-modevoltagesoftheoutputs.Alloutputscanbeindependentlysettolowvoltagestatestobeusedwithseriesdiodesforlineisolation,allowingeasydifferentialmultiplexingoverthesametwistedpaircable.
TheAD8146/AD8147/AD8148areavailableina24-leadLFCSPandoperateoveratemperaturerangeof−40°Cto+85°C.