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MAX3232E: Question about Swing Width

Shotaro Sakai
Expert 3350 points
Part Number: MAX3232E

Hello team,

Does the output swing width decrease over time?

A communication error has occurred about half a year after the my customer's product started operation.

Best regards,

Shotaro

  • +1
    Guru 316440 points

    The device itself should not degrade.

    In the absence of any other information, I'd guess that electrolytic capacitors have dried out.

    Is there a schematic? Would it be possible the test the capacitance and ESR of the capacitors?