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.
您好,
都可以,建议使用稳定的精度高的电源或基准源作为DAC的参考电压。
参考电压管脚输入阻抗典型值是5KΩ,可以通过外接电压除以输入阻抗估算每个VREF通道的汲取电流: