标签: dsp5680x

FreescalesDSP5680xdevicesofferacombinationofperipheralsandsoftwaretoenableClassDamplifierstoworkatpeakperformance.Fromtheperspectiveofwastedpower,thebestamplifieroperatesinpureswitchingmode-ClassD.Normally,theamplifierhasefficiencyhigherthan90percent,meaningover90percentofthepowerisdeliveredintotheload.Infact,aClassDamplifierworksasapowerD/Aconverterandcanbeusedtorealizehighoutputpower,300Wormore.TheClassDamplifierisbasedonananalogtechniqueofpulsewidthmodulation(PWM).……