AD5761/AD5721 LFCSP EXPOSED PAD

aliaykan on Feb 6, 2020

Hi,

Which pin is internally connected to AD5761/AD5721 LFCSP EXPOSED PAD? Can I connect the exposed pin directly to AGND/DGND pins in BI-POLAR output configuration or just in UNI-POLAR output?

Best regards,

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isantos
Feb 10, 2020 +1 suggested
Hi,

You can leave the exposed pad floating or tie it to the lowest potential which is VSS pin.

Cheers,

Ivan

0 isantos

on Feb 10, 2020 10:46 AM over 1 year ago
Hi,

You can leave the exposed pad floating or tie it to the lowest potential which is VSS pin.

Cheers,

Ivan
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0 armin.sch on May 19, 2020 8:43 AM over 1 year ago in reply to isantos

Hi Ivan,

I'm glad I found this information.

But this should probably be stated in the datasheet as well. Currently there is only the note it can be left floating, but nowhere any mentioning on what is the internal connection (even though VSS is the expected potential you never can be sure).

Cheers,

armin
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0 iandal

on May 19, 2020 11:26 PM over 1 year ago in reply to armin.sch
Hello armin,

Alternatively, you can connect the exposed pad to a floating pad with vias on board for heat dissipation and better pcb mounting. We will take note and update this information on future revisions of the datasheet.

Best regards,

Ian
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