NEC UPD703116 User Manual page 672

(5) Full-scale error
This shows the difference between the actual measurement value of the analog input voltage and the
theoretical value (full scale − 3/2LSB) when the digital output changes from 1......110 to 1......111.
(6) Differential linearity error
While the ideal width of code output is 1LSB, this indicates the difference between the actual measurement
value and the ideal value.
672
CHAPTER 13 A/D CONVERTER
Figure 13-19. Full-Scale Error
Full-scale error
111
100
011
010
000
–0 AV –3 AV
REFn REFn
Analog input (LSB)
Figure 13-20. Differential Linearity Error
1 ...... 1
Ideal 1LSB width
0 ...... 0
0
Analog input
User's Manual U14492EJ5V0UD
(n = 0, 1)
–2 AV –1 AV
REFn REFn
Differential
linearity error
AV
REFn
(n = 0, 1)