NR |
Resolution |
— |
— |
12 |
bit |
|
EINL |
Integral Non-Linearity error |
— |
0.1 |
— |
LSb |
|
EDNL |
Differential Non-Linearity error |
— |
0.1 |
— |
LSb |
|
EOFF |
Offset error |
— |
1.25 |
— |
LSb |
|
EGAIN |
Gain error |
— |
2.5 |
— |
LSb |
|
EABS |
Absolute error |
— |
4 |
— |
LSb |
|
VADCREF |
ADC reference voltage |
1.8 |
— |
VDD |
V |
|
VAIN |
ADC input pin voltage |
GND |
— |
VADCREF |
V |
|
ZAIN |
Recommended impedance of analog voltage source |
— |
— |
10 |
kΩ |
|
RIN |
ADC input resistance |
— |
14 |
— |
kΩ |
|
RVREFA |
ADC voltage reference ladder impedance(2) |
— |
50 |
— |
kΩ |
|
Notes:
- 1.The ADC conversion result never
decreases with an increase in the input and has no missing codes.
- 2.This is the impedance seen by
the VREFA pin when the external reference is selected.
|