TDA7492MV是50W单声道BTLD类音频放大器,主要用在家庭影院和有源扬声器.TDA7492MV单电源10-26V工作,效率高达90%,增益设定为21.6dB,37.6dB,31.1dB和33.6dB。采用PowerSSO-36封装。TDA7492MV主要特性:50Wcontinuousoutputpower:RL=6Ω,THD=10%atVCC=25V40Wcontinuousoutputpower:RL=8Ω,THD=10%atVCC=25VWiderangesinglesupplyoperation(10-26V)Highefficiency(η=90%)Fourselectable,fixedgainsettingsofnominally21.6dB,27.6dB,31.1dBand33.6dBDifferentialinputsminimizecommon-modenoiseStandbyandmutefeaturesShort-circuitprotectionThermal-overloadprotectionExternallysynchronizableTDA7492MV应用原理图)