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TLV320AIC23耳机输出端存在不规律的啪啪声

TLV320AIC23耳机输出端存在不规律的啪啪声,数据通路断开,只留IIC总线配置芯片,上电后外部晶振工作,耳机会持续出现不规律的啪~啪声,类似尖端放电的那种声音,示波器观察RHPOUT和LHPOUT,啪啪声无规律,电压幅度将近1v(3.3v供电)