EFM32G Data Sheet
Electrical Characteristics
Digital output code
INL=|[(VD-VSS)/VLSBIDEAL] - D| where 0 < D < 2N
- 1
4095
4094
Actual ADC
tranfer function
before offset and
gain correction
4093
4092
Actual ADC
tranfer function
after offset and
gain correction
INL Error
(End Point INL)
Ideal transfer
curve
3
2
1
0
VOFFSET
Analog Input
Figure 4.27. Integral Non-Linearity (INL)
Digital
output
code
DNL=|[(VD+1 - VD)/VLSBIDEAL] - 1| where 0 < D < 2N
- 2
Full Scale Range
4095
4094
4093
4092
Example: Adjacent
input value VD+1
corrresponds to digital
output code D+1
Actual transfer
function with one
missing code.
Example: Input value
VDcorrresponds to
digital output code D
Code width =2 LSB
DNL=1 LSB
Ideal transfer
curve
0.5
LSB
Ideal spacing
between two
adjacent codes
VLSBIDEAL=1 LSB
5
4
3
2
1
0
Ideal 50%
Transition Point
Ideal Code Center
Analog Input
Figure 4.28. Differential Non-Linearity (DNL)
silabs.com | Building a more connected world.
Rev. 2.10 | 66