自己在供应商买了一些OPA2340UA发现0输入时,有的运放是0输出,有的0输入有输出,而且输出的大小不一样,为了完成我所需要的功能,要更换很多次运放,我以为是买到了假的运放,然后在官网申请了一些样片,发现也是这样
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换用OPA2365试试看,http://www.ti.com/lit/ds/symlink/opa365.pdf
Zero Crossover 特性会更好些