Datasheet

Data Sheet AD5628/AD5648/AD5668
Rev. G | Page 11 of 32
TYPICAL PERFORMANCE CHARACTERISTICS
10
8
6
4
2
0
–2
–4
–6
–8
–10
INL (LSB)
V
DD
= 5V
EXT REF = 5V
T
A
= 25°C
05302-106
CODES
0 10k 20k 30k 40k 50k 60k 65535
Figure 7. INL AD5668External Reference
05302-107
4
2
0
–2
3
1
–1
–3
–4
INL (LSB)
V
DD
= 5V
EXT REF = 5V
T
A
= 25°C
0 5k 10k 15k 16384
CODES
Figure 8. INL AD5648External Reference
1.0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
0 500 1000 1500 2000 2500 3000 3500 4095
INL (LSB)
CODES
V
DD
= 5V
EXT REF = 5V
T
A
= 25°C
05302-108
Figure 9. INL AD5628External Reference
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
DNL (LSB)
V
DD
= 5V
EXT REF = 5V
T
A
= 25°C
05302-109
CODES
0
10k 20k 30k 40k 50k 60k 65535
Figure 10. DNL AD5668External Reference
05302-110
CODES
INL (LSB)
V
DD
= 5V
EXT REF = 5V
T
A
= 25°C
0 5k 10k 15k 16384
0.5
0.3
0.2
0.1
0.4
0
–0.2
–0.1
–0.3
–0.5
–0.4
Figure 11. DNL AD5648External Reference
05302-111
0 500 1000 1500
2000 2500 3000 3500
4095
DNL (LSB)
C
ODES
–0.05
–0.10
–0.15
–0.20
0
0.05
0.10
0.15
0.20
V
DD
= 5V
EXT REF = 5V
T
A
= 25°C
Figure 12. DNL AD5628External Reference