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OPA2333做电压跟随 输出叠加了个正弦怎么回事

Other Parts Discussed in Thread: LM358, OPA2333

电路图如上所示,示波器测量VREF_1.5,示波器显示波形如下图

怎么回事,换成LM358就正确,芯片假了吗??