Spehro Pefhany wrote:

> Decreased EMI immunity is a common side-effect of die shrinks.
 
Thanks, Spehro. Your reply specifically answers my question. 

I used two other 628s for the circuit I had mentioned earlier. The circuit works quite satisfactorily. That confirms that the 628A which has a smaller die size is more prone to being affected by EMI. So, if I plan to use 628A, my circuit design should incorporate adequate EMI filtering.

Regards,
Bala




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