Datasheet

AD5627R/AD5647R/AD5667R, AD5627/AD5667
Rev. 0 | Page 14 of 32
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
06342-028
Figure 30. Zero-Scale Error and Offset Error vs. Supply
I
DD
(mA)
NUMBER OF DEVICES
0
1
8
1
6
1
4
1
2
1
0
8
6
4
2
0.440.420.400.380.360.340.320.30
V
DD
= 3.6V
V
DD
= 5.5V
06342-029
Figure 31. I
DD
Histogram with External Reference
I
DD
(mA)
NUMBER OF DEVICES
0
1
4
1
2
1
0
8
6
4
2
0.74 0.75 0.76 0.77 0.78 0.79 0.80 0.81 0.82 0.83 0.84 0.85 0.86 0.87 0.88 0.89 0.90 0.91 0.92 0.93 0.94 0.95 0.96 0.97 0.98 0.99 1.00 1.01 1.02 1.03 1.04
V
DD
= 3.6V
V
DD
= 5.5V
06342-030
V
REFOUT
= 2.5V
V
REFOUT
= 1.25V
Figure 32. I
DD
Histogram with Internal Reference
CURRENT (mA)
ERROR VOL
T
AGE (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 4 861
0
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
0
6342-031
Figure 33. Headroom at Rails vs. Source and Sink
CURRENT (mA)
V
OUT
(V)
6
5
4
3
2
1
–1
0
–30 –20 –10 0 10 20 30
V
DD
= 5V
V
REFOUT
= 2.5V
T
A
= 25°C
ZERO SCALE
FULL SCALE
MIDSCALE
1/4 SCALE
3/4 SCALE
0
6342-046
Figure 34. AD56x7R with 2.5 V Reference, Source and Sink Capability
CURRENT (mA)
V
OUT
(V)
4
–1
0
1
2
3
–30 –20 –10 0 10 20 30
V
DD
= 3V
V
REFOUT
= 1.25V
T
A
= 25°C
ZERO SCALE
FULL SCALE
MIDSCALE
1/4 SCALE
3/4 SCALE
0
6342-047
Figure 35. AD56x7R with 1.25 V Reference, Source and Sink Capability