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MAX3232外部电容耐压

Other Parts Discussed in Thread: MAX3232

您好!

RS232接口芯片MAX3232有4个外部电容,从相关的DLP参考原理图中发现,其使用了耐压为50V的电容,

希望说明一下,为什么需要50V耐压的电容?

芯片datasheet中,对这4个电容(C1-C4),有推荐容值,但并未明确写明耐压要求。

芯片最大规格中,V+和V-的值分别为+7V和-7V,由此来看,相应的C3,C4,耐压在10V以上就可以满足需要。

而C1+-和C2+-引脚电压,找不到明确规格。