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OPA188: 188

Part Number: OPA188


请问TI的专家,我用OPA188测试CMRR,发现使用TI提供两种方法进行仿真测试,两种方法的测试结果不一样,请问其中的原因是什么?以哪种测试方法为准?以下附图是我的测试结果。