Electrical Characteristics
A.2.3.1
ATD Accuracy Definitions
For the following definitions see also Figure A-1.
Differential non-linearity (DNL) is defined as the difference between two adjacent switching steps.
V – V
i
i – 1
DNL(i) = -------------------------- – 1
1LSB
The integral non-linearity (INL) is defined as the sum of all DNLs:
n
V – V
n
0
INL(n) =
DNL(i) = -------------------- – n
∑
1LSB
i = 1
S12P-Family Reference Manual, Rev. 1.13
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