Datasheet

AD5666
Rev. D | 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
05298-030
V
DD
= 5V
GAIN ERROR
FULL-SCALE ERROR
Figure 12. 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 40200860 100
05298-021
0
OFFSET ERROR
ZERO-SCALE ERROR
Figure 13. 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
05298-031
GAIN ERROR
FULL-SCALE ERROR
Figure 14. 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
05298-045
ZERO-SCALE ERROR
OFFSET ERROR
T
A
=25°C
Figure 15. Zero-Scale Error and Offset Error vs. Supply Voltage
I
DD
(mA)
FREQUEN
C
Y
3.5
0
0.62
05298-028
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)
FREQUEN
C
Y
2.5
0
1.26
05298-029
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