我用MSP430F149单片机做模数转换,3.3v供电,如果ADC启用内部2.5v基准,消耗的电流是15毫安,如果是外部基准2.5v消耗的电流只有5毫安,为什么会有这么大差距
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
我用MSP430F149单片机做模数转换,3.3v供电,如果ADC启用内部2.5v基准,消耗的电流是15毫安,如果是外部基准2.5v消耗的电流只有5毫安,为什么会有这么大差距