• State Resolved
  • Locked Locked
  • Replies 1 reply
  • Subscribers 30 subscribers
  • Views 180 views
  • Users 0 members are here
Support feedback
Options
Options
Related

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

Original question:

AM2634: ADC Input Range Setting

AM2634: ADC_CAL pin sampled VREFHI pin (1.8V), not accurate

ych_chn
Intellectual 345 points
Part Number: AM2634

Tool/software:

Hello expert,
I used the ADC_CAL pin of AM2634 to sample the VREFHI pin (1.8V). The theoretical result should be 1.8/3.2*4096=2304, but the actual result is 2368(1.85V). Why? thank you.