
AD5666
Rev. A | Page 13 of 28
TEMPERATURE (
°
C)
E
0
–0.04
–0.02
–0.06
–0.08
–0.10
–0.18
–0.16
–0.14
–0.12
–0.20
–40
–20
40
20
0
100
80
60
0
V
DD
= 5V
GAIN ERROR
FULL-SCALE ERROR
Figure 12. Gain Error and Full-Scale Error vs. Temperature
TEMPERATURE (
°
C)
E
1.5
1.0
0.5
0
–2.0
–1.5
–1.0
–0.5
–2.5
–40
–20
40
20
0
8
60
100
0
0
OFFSET ERROR
ZERO-SCALE ERROR
Figure 13. Zero-Scale Error and Offset Error vs. Temperature
V
DD
(V)
E
1.0
–1.5
–1.0
–0.5
0
0.5
–2.0
2.7
3.2
3.7
4.7
4.2
5.2
0
GAIN ERROR
FULL-SCALE ERROR
Figure 14. Gain Error and Full-Scale Error vs. Supply Voltage
V
DD
(V)
E
1.0
0.5
0
–2.0
–1.5
–1.0
–0.5
–2.5
2.7
3.2
4.2
3.7
5.2
4.7
0
ZERO-SCALE ERROR
OFFSET ERROR
T
A
= 25
°
C
Figure 15. Zero-Scale Error and Offset Error vs. Supply Voltage
I
DD
(mA)
F
3.5
0
0.62
0
0.5
1.0
1.5
2.0
2.5
3.0
V
DD
= 3.6V
V
DD
= 5.5V
0.63
0.64
0.65
0.66
0.67
0.68
0.69
0.7
0.71 0.72
Figure 16. I
DD
Histogram with External Reference
I
DD
(mA)
F
2.5
0
1.26
0
0.5
1.0
1.5
2.0
V
DD
= 3.6V
V
DD
= 5.5V
1.28
1.30
1.32
1.34
1.36
1.38
Figure 17. I
DD
Histogram with Internal Reference