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MAX9947 high temperature

Category: Hardware
Product Number: MAX9947


   My customer use MAX9947 to replace SN65HVD62, Customer don't change the peripheral circuits.

When customer put the MAX9947 board into the 70℃  environment, it can't work.  But competitor SN65HVD62 can operate well. 

Can you check it and give some advise ? 

[edited by: GenevaCooper at 9:46 PM (GMT -5) on 1 Dec 2023]