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2013-06-28 - EFM32G230FXX - d0005_Rev1.60
37
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Figure 3.26. Differential Non-Linearity (DNL)
Ideal t ransfer
curve
Digit al
ouput
code
Analog Input
DNL= |[ (VD+ 1 - VD)/VLSBIDEAL] - 1| where 0 < D < 2
N - 2
0
1
2
3
4092
4093
4094
4095
Act ual t ransfer
funct ion w it h one
m issing code.
4
5
Full Scale Range
0.5
LSB
Ideal Code Cent er
Ideal 50%
Transit ion Point
Ideal spacing
bet w een t w o
adjacent codes
VLSBIDEAL= 1 LSB
Code w idt h = 2 LSB
DNL= 1 LSB
Exa m p le : Adjacent
input value VD+ 1
corrresponds t o digit al
out put code D+ 1
Exa m p le : Input value
VD corrresponds t o
digit al out put code D