请问,558和正负394的定义是基于什么? 尤其是394. 谢谢
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Hi,
举个例子,ADC是12位参考电压2.5V, 那么VBUS满量程时候的ADC 采样引脚上的具体电压对应式 V_ADC=558*(2.5V/2^12),具体对应VBUS是多少V要根据您的系统分压来计算。 同样,按照这个思路反过来就可以计算出558。谢谢~
Regards,
Patrick