Part Number: AFE539A4
ADC模块可选的高阻抗和有限阻抗。
那么有限阻抗具体是多少的阻抗值?
从框图中,大致可以看出R2是可选接地的,在选择有限阻抗时,开关闭合,AIN0内部形成分压。是这样的吗。那么R1和R2的值是多少?

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