AD5382
6
6
5
AV = DV = 3V
DD
DD
FULLSCALE
V
= 1.25V
REF
T
= 25°C
A
5
4
AV = DV = 5V
DD
DD
V
= 2.5V
3/4 SCALE
REF
T
= 25°C
4
A
3/4 SCALE
FULL-SCALE
MIDSCALE
3
3
MIDSCALE
2
2
1/4 SCALE
1
1
ZEROSCALE
0
0
ZERO-SCALE
–5
1/4 SCALE
–1
–1
–40 –20 –10
–5
–2
0
2
5
10
20
40
–40 –20 –10
–2
0
2
5
10
20
–40
CURRENT (mA)
CURRENT (mA)
Figure 21. AD5382-5 Output Amplifier Source and Sink Capability
Figure 24. AD5382-3 Output Amplifier Source and Sink Capability
0.20
2.456
AV = 5V
DD
AV = DV = 5V
DD
DD
V
= 2.5V
V
T
= 2.5V
= 25°C
REF
REF
0.15
0.10
0.05
0
T
= 25°C
A
2.455
2.454
2.453
2.452
2.451
2.450
2.449
A
14ns/SAMPLE NUMBER
ERROR AT ZERO SINKING CURRENT
–0.05
–0.10
–0.15
–0.20
(V –V
) AT FULL-SCALE SOURCING CURRENT
DD OUT
0
0.25
0.50
0.75
1.00
/I
1.25
1.50
1.75
2.00
0
50 100 150 200 250 300 350 400 450 500 550
SAMPLE NUMBER
I
(mA)
SOURCE SINK
Figure 25. Adjacent Channel DAC-to-DAC Crosstalk
Figure 22. Headroom at Rails vs. Source/Sink Current
600
500
400
300
200
100
0
AV = DV = 5V
AV = 5V
DD
DD
DD
T = 25°C
T
= 25°C
A
A
DAC LOADED WITH MIDSCALE
EXTERNAL REFERENCE
Y AXIS = 5µV/DIV
REFOUT DECOUPLED
WITH 100nF CAPACITOR
X AXIS = 100ms/DIV
REFOUT = 2.5V
AV = DV = 5V
DD DD
V
= 2.5V
REF
T
= 25°C
A
REFOUT = 1.25V
EXITS SOFT PD
TO MIDSCALE
100
1k
10k
100k
FREQUENCY (Hz)
Figure 26. 0.1 Hz to 10 Hz Noise Plot
Figure 23 REFOUT Noise Spectral Density
Rev. 0 | Page 20 of 40
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