Hi
請問ADC Internal impedance 在哪個區間 datasheet 沒有看到定義，直接用電壓/漏電流計算嗎?
外部分壓電阻有建議阻值不要超過多少嗎?
謝謝
Daniel
1、内阻不清楚应该如何计算，可以去英文论坛问一下。
2、参考 2.11.1 If ADC/Touchscreen is not Used 接地就可以了。
www.ti.com.cn/…/sprabn2a.pdf
,
e2echina.ti.com/…/370942
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