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TPA032D01音频功率放大器问题?



请问TI专家关于TPA032D01音频功率放大器的问题,我参照TPA032D01的数据手册连的电路,输出没有信号,而且芯片很烫手,电流在300-500mA之间,不知道是什么问题,希望专家给点意见?