• 状态
  • 已锁定 已锁定
  • 个回复 3 个回复
  • 名订阅用户 12 名订阅用户
  • 次查看 1047 次查看
  • 用户 0 名在线用户
选项
选项
相关

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.

ADS1247采集电压自动增长

longfei gu
Prodigy 30 points

AIN2激励电流输出，输出电流给一个10欧电阻供电，采用内部基准。通过AIN0和AIN1采集10欧电阻两端电压，电压值从800000变到9xxxxx再到axxxxxx再到0xxxxxx最后变成7fffff就不变了。放大倍数16倍，激励电流500uA。为什么采集的电压会一直变动啊？测量内部基准为2.03V激励电流实测504uA。