使用双极输出-10V to +10V, 外部电源+5V, +-12V, 正压段输出正常,实测0-9.98V,负压段最低只有-0.7V,输出空载也是如此,问题找了好久,没找到原因,请各位大侠分析一下是怎么回事?谢谢
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您好,能把电路附上看下吗?VDD=5V , VCC=12V ,VSS=-12V 是吗?
输入信号是什么幅值范围的?
您好,看了下您的电路,除了offset adustment电路没使用之外,其他电路问题。
您的上电时序是否满足datasheet中要求的:The following supply sequence must be followed: VSS (device substrate) first, then VDD followed by VCC.
注意是:VSS---VDD----VCC这个顺序,别误解为VCC先于VDD。