Hi all,
Lately, we had some failing ADG3257. Some worked few times and then failed, others
failed right after assembly.
They usually fail in only one of the switches.
I would be less confused if they had the same date code, but they didn't.
Some are marked as: 1336, others marked as: 1327. But, there is a good chance
that they came from the same reel.
I must say that this design in working fine for a very long time, so I don't think this is a design
issue. Also, replacing the bad chip with a new one (with different date code from the above).
always fixes the problem.
I hope this is the place to ask. If not, I will appreciate of someone could refer to the right place.
regards,
Assaf