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PGA308: Why PGA308 OTP registers automatically become garbled?

Part Number: PGA308

Hi team,

Our customer from deyi support is using our PGA308 in their sensor system. Schematic is as follows:

They made 30 several sensors, there have been four sensors of them has the problem of OPT register garbled.

Could you please help to analyze the problem?

Thanks & best regards,

Alix.