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关于这个问题，美国那边工程师给出的答复是这样的：“The issue you describe is related to the simulation engine used by PSPICE for TI. Thus, there is nothing application team can do to fix it other than to suggest ways to go around the problem. One way to try to resolve the issue is to use in your simulation dual +/-5V supplies instead of single 0V/5V, which typically converges much better. Of course, this is ONLY for simulation purposes and NOT for actual physical circuit application since the max OPA340 total supply voltage is 5.5V (or +/-2.75V).”
翻译成中文是
“您描述的问题与PSPICE for TI的仿真引擎有关。因此，除了建议解决问题的方法之外，应用程序团队无法解决这个问题。试图解决此问题的一种方法是在仿真中使用双+/-5V电源，而不是单0V/5V电源，后者通常收敛得更好。当然，这仅用于仿真目的，不用于实际的物理电路应用，因为OPA340最大总电源电压为5.5V（或+/-2.75V）。”
