Datasheet

AD7457
Rev. A | Page 9 of 20
V
REF
(V)
CHANGE IN DNL (LSB)
4.0
3.5
2.5
3.0
1.5
1.0
2.0
0.5
0
– 0.5
– 1.0
01.00.5 1.5 3.02.52.0 3.5
POSITIVE DNL
NEGATIVE DNL
03157-0-020
Figure 11. Changes in DNL vs. V
REF
for V
DD
= 5 V
V
REF
(V)
CHANGE IN INL (LSB)
5
4
3
1
2
0
– 1
– 2
01.00.5 1.5 3.02.52.0 3.5
POSITIVE INL
NEGATIVE INL
03157-0-021
Figure 12. Change in INL vs. V
REF
for V
DD
= 5 V
V
REF
(V)
EFFECTIVE NUMBER OF BITS (LSB)
12
11
10
8
9
7
6
01.00.5 1.5 3.02.52.0 3.5
V
DD
= 3V
V
DD
= 5V
03157-0-022
Figure 13. ENOB vs. V
REF
for V
DD
= 3 V and 5 V