Datasheet

AD5678
Rev. C | Page 13 of 28
TEMPERATURE ( ° C)
ERROR (% FSR)
0
–0.04
–0.02
–0.06
–0.08
–0.10
–0.18
–0.16
–0.14
–0.12
–0.20
–40 –20 40200 1008060
05299-017
V
DD
= 5V
GAIN ERROR
FULL-SCALE ERROR
Figure 17. Gain Error and Full-Scale Error vs. Temperature
TEMPERATURE ( ° C)
ERROR (mV)
1.5
1.0
0.5
0
–2.0
–1.5
–1.0
–0.5
–2.5
–40 –20 402008060 100
05299-018
OFFSET ERROR
ZERO-SCALE ERROR
Figure 18. Zero-Scale Error and Offset Error vs. Temperature
V
DD
(V)
ERROR (% FSR)
1.0
–1.5
–1.0
–0.5
0
0.5
–2.0
2.7 3.2 3.7 4.74.2 5.2
05299-019
GAIN ERROR
FULL-SCALE ERROR
Figure 19. Gain Error and Full-Scale Error vs. Supply Voltage
V
DD
(V)
ERROR (mV)
1.0
0.5
0
–2.0
–1.5
–1.0
–0.5
–2.5
2.7 3.2 4.23.7 5.24.7
05299-020
ZERO-SCALE ERROR
OFFSET ERROR
T
A
= 25°C
Figure 20. Zero-Scale Error and Offset Error vs. Supply Voltage
I
DD
(mA)
FREQUENCY
20
0
1.20 1.22 1.24 1.26 1.28 1.30 1.32 1.34 1.36 1.38 1.40 1.42
1.44
05299-021
2
V
DD
= 3.6V
V
DD
= 5.5V
4
6
8
10
12
14
16
18
Figure 21. I
DD
Histogram with External Reference
I
DD
(mA)
FREQUENCY
14
0
2.02
05299-022
2
4
6
8
10
12
V
DD
= 3.6V
V
DD
= 5.5V
2.04 2.06 2.08 2.10 2.12 2.14 2.16 2.18 2.20 2.22 2.24 2.26 2.28
V
REFOUT
= 1.25V V
REFOUT
= 2.5V
Figure 22. I
DD
Histogram with Internal Reference