TPA3136D2音频功率放大器达不到10W,我是按照EVM给的电路图画的板子。焊好元器件用8921综测仪测试时,12V电压,负载8欧姆时,功率达到2.5W失真就快到10%了,而且即使加大灌入的音频电压,功率依然达不到10W,是什么原因呢?附件为原理图,求大神指教,谢谢原理图.docx
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TPA3136D2音频功率放大器达不到10W,我是按照EVM给的电路图画的板子。焊好元器件用8921综测仪测试时,12V电压,负载8欧姆时,功率达到2.5W失真就快到10%了,而且即使加大灌入的音频电压,功率依然达不到10W,是什么原因呢?附件为原理图,求大神指教,谢谢。4403.原理图.docx