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TPA3116实用问题(输出吸收电路有较大电流)

现在遇上一个问题是输出接的吸收电路3.3欧姆和10nF电容会发热,功放静态电流就有400mA了,断开电阻或电容就好了,看起来是有电流通过了吸收回路,请问这个原因一般是在哪里