XMC4500 maximum ADC input

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Hello,

yesterday I tried to get some informations about the maximum ratings of the ADC input. My amplifier output is about 4.5V but that should never be reached with normal signal. Just in case, that I get too high signals I don't know whether I have to use protection diodes because of the supply voltage of 3.3V. I asked that question in the live chat and scanned the manual for that information, but I haven't found it yet.

Are there any maximum ratings?

Thank you very much.
Best regards,
MTR
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