Datasheet

AD5624R/AD5644R/AD5664R Data Sheet
Rev. C | Page 14 of 28
Figure 29. Zero-Scale Error and Offset Error vs. Supply
Figure 30. I
DD
Histogram with External Reference, 5.5 V
Figure 31. I
DD
Histogram with Internal Reference, V
REFOUT
= 2.5 V
Figure 32. I
DD
Histogram with External Reference, 3.6 V
Figure 33. I
DD
Histogram with Internal Reference, V
REFOUT
= 1.25 V
Figure 34. Headroom at Rails vs. Source and Sink
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
ZERO-SCALE ERROR
OFFSET ERROR
T
A
= 25°C
05856-028
I
DD
(mA)
FREQUENCY
0
1
2
3
4
5
6
0.41 0.42 0.43 0.44 0.45
05856-029
V
DD
= 5.5V
T
A
= 25°C
I
DD
(mA)
FREQUENCY
0
1
2
3
4
5
6
0.92 0.94 0.96 0.98
05856-030
V
DD
= 5.5V
T
A
= 25°C
I
DD
(mA)
FREQUENCY
0
1
2
3
5
4
6
8
7
0.39 0.40 0.41 0.42 0.43
05856-060
V
DD
= 3.6V
T
A
= 25°C
I
DD
(mA)
FREQUENCY
0
1
2
3
5
4
6
8
7
0.90
0.92 0.94 0.96
05856-061
V
DD
= 3.6V
T
A
= 25°C
CURRENT (mA)
ERROR VOLTAGE (V)
0.5
0.4
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
–10 –8 –6 –4 –2 0 2 4 86 10
V
DD
= 3V
V
REFOUT
= 1.25V
V
DD
= 5V
V
REFOUT
= 2.5V
DAC LOADED WITH
ZERO-SCALE
SINKING CURRENT
DAC LOADED WITH
FULL-SCALE
SOURCING CURRENT
05856-031