Datasheet

ADT7316/ADT7317/ADT7318
Rev. B | Page 15 of 44
0.30
1.01.52.02.53.03.54.04.55.0
V
REF
(V)
ERROR (LSB)
–0.10
–0.05
0
0.05
0.10
0.15
0.20
0.25
INL WCP
DNL WCP
DNL WCN
INL WCN
0
2661-015
Figure 16. ADT7318 INL Error and DNL Error vs. V
REF
0.14
–40 110805020–10
TEMPERATURE (°C)
ERROR (LSB)
–0.06
–0.04
–0.02
0
0.02
0.04
0.06
0.08
0.10
0.12
DNL WCN
INL WCP
DNL WCP
INL WCN
0
2661-016
Figure 17. ADT7318 INL Error and DNL Error vs. Temperature
0
–40 120100806040200–20
TEMPERATURE (°C)
ERROR (LSB)
–1.8
–1.6
–1.4
–1.2
–1.0
–0.8
–0.6
–0.4
–0.2
OFFSET ERROR
GAIN ERROR
0
2661-017
Figure 18. Offset Error and Gain Error vs. Temperature
ERROR (LSB)
–20
–15
–10
–5
0
5
10
2.7 3.3 3.6 4.0
V
DD
(V)
4.5 5.0
5.5
OFFSET ERROR
GAIN ERROR
V
REF
= 2.25V
0
2661-018
Figure 19. Offset Error and Gain Error vs. V
DD
SOURCE CURRENT
SINK CURRENT
2.505
DAC OUTPUT (V)
2.465
2.470
2.475
2.480
2.485
2.490
2.495
2.500
0123
CURRENT (mA)
45
6
V
DD
= 5V
V
REF
= 5V
DAC OUTPUT
LOADED TO MIDSCALE
02661-019
Figure 20. V
OUT
Source and Sink Current Capability
1.98
0 4000350030002500200015001000500
DAC CODE
I
CC
(mA)
1.86
1.88
1.90
1.92
1.94
1.96
DAC OUTPUT UNLOADED
DAC OUTPUT LOADED
0
2661-020
Figure 21. Supply Current vs. DAC Code