TDA7492P主要特性:25W+25WcontinuousoutputpoweratTHD=10%withVCC=20VandRL=8ΩWide-rangesingle-supplyoperation(8-26V)Highefficiency(η=90%)Fourselectable,fixedgainsettingsofnominally21.6dB,27.6dB,31.1dBand33.6dBDifferentialinputsminimizecommon-modenoiseStandbyandmutefeaturesShort-circuitprotectionThermaloverloadprotectionExternallysynchronizableECOPACK®,environmentally-friendlypackageTDA7492P应用原理图)