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TLV333: TLV333设计问题咨询

Part Number: TLV333
Other Parts Discussed in Thread: TINA-TI

Hi,

有个问题想咨询一下,在进行电路设计前我用Tina-TI做了电路仿真,输入信号±500mV,输出符合设计需求。

但是在拿到PCB后。输入信号是直流200mV。实际测试输出:VF1=-301mV,VF2=-500mV,V1=-503mV,V2=-420mV,与仿真结果不符,不确定哪里出了问题,麻烦帮忙分析一下,谢谢。