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TLC3578有内部参考电压吗？还是必须外加4V的参考电压，数据手册上不明确，希望解答
您好，REFP参考电压必须要外加
在adc选型页上选择reference mode 为int时，并没有将该型号的芯片排除，希望能改进，用户选型手册上的确是说明了参考电压的问题，十分感谢
