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您好:
对于PCM1792A这个HIFI芯片我们现在的设计如附件所示,但实际的效果不是很好,存在噪声和开机爆音的问题,请问贵司是否有推荐的功放方案呢?
开机噪音, 可否用上电延迟允许的办法来消除?
关于开机噪声问题,一般要在模拟输出前加入继电器来实现DAC没锁定信号时静音,噪音纯属线路设计或者layout的问题