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Can ADC external reference be 4.096 V?

sunil barot
Intellectual 580 points

I am looking at available external ref. for ADC for F28035 Piccolo. Recommended max. voltage for external ref. (VDDA) is 3.63 V. Can I use 4.096 V ref. since the absolute max on any pin is allowed upto 4.6 V ? How are recommended values derived ?

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    Genius 5170 points

    Please note the foot note which comes with absolute maximum ratings "Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability." It is better not to subject any pin with absolute max values. I personally try to saty with nominal values.