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TAS5755M: TAS5755M输出直流电压。

Part Number: TAS5755M

使用5755M PBTL模式驱动3欧、40W低音喇叭,输出实际功率为32W@100Hz。附件为原理图与config文件。

在此功率下工作时,5755M输出出现异常,会使得OUTA&B对地电压14V,OUTC&D对地电压0.7V。出现此问题后,很快即损坏喇叭。

想请教,这样的现象可能的原因有哪些?谢谢!

TAS5755M数字功放板_A1_Schematic.pdf3欧40W Subwoofer(1).cfg