Datasheet

AD7452
Rev. B | Page 11 of 28
V
REF
(V)
1.5
0 0.5 1.0 1.5 2.0 2.5
CHANGE IN DNL (LSB)
1.0
0.5
0
–0.5
–1.0
3.0 3.5
2.0
2.5
3.0
POSITIVE DNL
NEGATIVE DNL
03154-A-011
Figure 11. Change in DNL vs. V
REF
for V
DD
= 5 V
V
REF
(V)
1.5
0 0.5 1.0 1.5 2.0 2.5
CHANGE IN DNL (LSB)
1.0
0.5
0
–0.5
–1.0
2.0
2.5
POSITIVE DNL
NEGATIVE DNL
2.2
03154-A-012
Figure 12. Change in DNL vs. V
REF
for V
DD
= 3 V
V
REF
(V)
0
0 0.5 1.0 1.5 2.0 2.5
CHANGE IN INL (LSB)
–1
–2
–3
–4
–5
3.0 3.5
1
2
3
POSITIVE INL
NEGATIVE INL
4
5
03154-A-013
Figure 13. Change in INL vs. V
REF
for V
DD
= 5 V
V
REF
(V)
1.0
0 0.5 1.0 1.5 2.0
CHANGE IN INL (LSB)
0.5
0
–0.5
–1.5
–2.0
1.5
2.0
POSITIVE INL
NEGATIVE INL
2.2 2.5
03154-A-014
Figure 14. Change in INL vs. V
REF
for V
DD
= 3 V
V
REF
(V)
5
0 0.5 1.0 1.5 2.0 2.5
ZERO-CODE ERROR (LSB)
4
3
2
1
0
3.0 3.5
6
7
8
V
DD
= 5V
V
DD
= 3V
03154-A-015
Figure 15. Change in Zero-Code Error vs. Reference Voltage V
DD
= 5 V and 3 V
V
REF
(V)
9.5
0 0.5 1.0 1.5 2.0 2.5
EFFECTIVE NUMBER OF BITS
9.0
8.5
8.0
7.5
7.0
3.0
3.5
10.0
10.5
11.0
V
DD
= 3V
V
DD
= 5V
11.5
12.0
03154-A-016
Figure 16. Change in ENOB vs. Reference Voltage V
DD
= 5 V and 3 V