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XTR111AIDGQT参考电路温漂

Other Parts Discussed in Thread: XTR111

原理图如下图。其中,测试时COGND焊接电阻,测量电压为该电阻两端电压,有一个固定电压输入在R17左侧。其中一段数据如下。实验室内没有开空调,气温变化较大。如果使用吹风机吹风,输出电压变化更明显。

3月31日

9:56,1.6746V

10:43,1.6761V

14:06,1.6905V

16:00,1.6918V

17:30,1.6912V

 4月1日

10:00,1.7016V

13:25, 1.7084V

14:40, 1.7117V

16:40, 1.7031V