Based on the information on datasheet it's not clear to us that would it be
safe to use 5V reference with 5V / 3.3V power?
The REFin + to REFin- range is 1v to AVdd. So the external reference can not
Search FAQs on the left to see if your question has been answered. Click on the dropdown to view all of the documents associated with the product. If you can't find your question, click on Ask a Question.