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Article MAX491采用5V供电，处理器采用3.3V供电，请问MAX491是否可以和3.3V逻辑兼容，是否需要电平转换器？


对于MAX491，可以接收3.3V的逻辑电平，但是MAX491的输出到处理器为5V逻辑，此时要确保处理器在3.3V供电时可以承受5V的逻辑电平，否则就需要电平转换。

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