Hi Devzone!
I'm using the nRF52DK (nRF52832 mcu).
I've conifgured the SAADC to use:
- Single-ended
- Resolution = 12-bit
- Gain = 1/4
- Ref = Vdd
- AIN0
- Everything else left to default.
Sampling with TASKS_SAMPLE.
I've calibrated it using TASKS_CALIBRATEOFFSET
If I short AIN (P0.02 on DK) to GND I get various readings ranging -10 to + 2.
How do I understand the SAADC electrical specification?
I thought max error would be max(DNL + INL + Vos), however Vos is not stated at 12-bit res.
Is a -10 reading, within acceptable error range?
Thanks in advance!
