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你好,若I/V变换电路一样,请使用同样的供电电压。
反馈电阻560,中心电流6.2mA,则第一级I/V的输出为3.8V左右,输出电流7.8mA pp,则输出电压为5.6V最大,用5V供电,肯定削波啦。
如果要保证这颗IC的超高性噪比,请保证她的幅度。若一定要使用5V供电,请使用boost芯片将电压升上去。
谢谢