Other Parts Discussed in Thread: PCM6260-Q1 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。 https://e2e.ti.com/support/audio-group/audio/f/audio-forum/1279692/pcm6260-q1-question-about-the-adc-results-difference-between-differential-input-and…
Sorry for missing your question.
when CHx_MIC_IN_RANGE=0,Differential input full-scale of 2-VRMS=2*1.414=2.828Vpp
when CHx_MIC_IN_RANGE=1, Differential input full-scale of 2-VRMS=14.14Vpp
The attenuation value can be calculated : 20log(2.828Vpp/14.14Vpp)=…