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Appendix A Electrical Characteristics
MC9S12XDP512 Data Sheet, Rev. 2.11
936 Freescale Semiconductor
A.2.3.3 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.
The integral non-linearity (INL) is defined as the sum of all DNLs:
DNL i()
V
i
V
i1–
–
1LSB
---------------------------
1–=
INL n() DNL i()
i1=
n
∑
V
n
V
0
–
1LSB
---------------------
n–==