电流输入信号,0-20mA,我们板上想采样处理给到ADC,想问下TI有没有合适的高精度电流检测方案,精度要求比较高,0.005mA
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您好,可以看下我们的RCV420这款current loop receiver,4~2mA到0~5V输出,也可以使用其将0~20mA输入转化为0~5V输出。
总的转换精度在1%。可以看下它的应用方案:
https://www.ti.com/lit/an/sbva004/sbva004.pdf