TDA7498L是80W+80W双BTLD类音频放大器,主要用在家庭影院和有源扬声器.TDA7498L单电源10-36V工作,效率高达90%,增益设定为25.6dB,31.6dB,35.1dB和37.6dB。采用PowerSSO-36封装。TDA7498L主要特性:80W+80WoutputpoweratTHD=10%withRL=6ohmandVCC=32VWiderangesinglesupplyoperation(10-36V)Highefficiency(=90%)Fourselectable,fixedgainsettingsofnominally25.6dB,31.6dB,35.1dBand37.6dBDifferentialinputsminimizecommon-modenoiseStandbyandmutefeaturesShort-circuitprotectionThermaloverloadprotectionExternallysynchronizableTDA7498L应用原理图)