Other Parts Discussed in Thread: OPA277
使用TI的DAC8811 做DA 用,下图为电路图(C19换成了0欧姆),但是DA出来的信号完全不对 (U8为OPA277)
我看了一下信号,下面几个图分别为CS -- CLK , CS-- SDI, CS--Iout, CS -u8 -6PIN的示波器观测结果(黄色为CS),感觉完全不对,我VDD加的是3.3V, Vref为5V,请问是是哪里用的不对么,
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