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ADC0804 参考电压的问题 若 参考电压由 5V 分压2.5V 正常工作。 若 由TL431得到2.5V参考电压 电路不工作 请教下原因
没有看见你的电路. 请参考 http://www.deyisupport.com/question_answer/analog/data_converters/f/58/t/87640.aspx
