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AMC1200TDWVRQ1在调试时,发现其温漂很大

Other Parts Discussed in Thread: AMC1200

  AMC1200TDWVRQ1在调试时,发现其温漂很大,而且芯片与芯片的一致性也很差;在将线路板放到壳体内放到高温箱(55℃或-30℃)存放30分钟后,芯片输出会发生很大偏移,高温时阈值 会向大偏移,低温时阈值会向下偏移 。在55和-30℃时有的会偏差30V 左右。帮忙查查我哪里参数设置不合理,或是是否有温漂小的、线性度好的芯片 ,谢谢