各位,
新产品选型中,如果PCM1840做为通用ADC使用,有如下几个问题:
1,参考电路的输入1uf电容是否可以改大,以优化低频响应;
2,手册中主要为mic应用,做为通用adc,输入级是否可以搬用其它adc的输入LPF电路;
3,不使用MIC场景,dre功能需要关掉吧,比较关注thd、snr等参数;
另外补充一个DAC的问题,PCM4104的输出接LPF电路,可以直接做直流耦合么?
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