AD5382BST-3 Analog Devices Inc, AD5382BST-3 Datasheet - Page 20
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AD5382BST-3
Manufacturer Part Number
AD5382BST-3
Description
IC DAC 14BIT 32CH 3V 100-LQFP
Manufacturer
Analog Devices Inc
Datasheet
1.AD5382BSTZ-5.pdf
(40 pages)
Specifications of AD5382BST-3
Design Resources
32 Channels of Programmable Voltage with Excellent Temperature Drift Performance Using AD5382 (CN0011) AD5382 Channel Monitor Function (CN0012)
Settling Time
8µs
Number Of Bits
14
Data Interface
Serial, Parallel
Number Of Converters
32
Voltage Supply Source
Single Supply
Power Dissipation (max)
65mW
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
100-LQFP
For Use With
EVAL-AD5382EB - BOARD EVAL FOR AD5382
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
AD5382
–0.05
–0.10
–0.15
–0.20
Figure 21. AD5382-5 Output Amplifier Source and Sink Capability
0.20
0.15
0.10
0.05
600
500
400
300
200
100
–1
6
5
4
3
2
1
0
0
0
–40
100
0
FULL SCALE
Figure 22. Headroom at Rails vs. Source/Sink Current
–20
REFOUT = 1.25V
0.25
(VDD–VOUT) AT FULL-SCALE SOURCING CURRENT
Figure 23 REFOUT Noise Spectral Density
3/4 SCALE
1/4 SCALE
–10
0.50
ZERO SCALE
MIDSCALE
ERROR AT ZERO SINKING CURRENT
–5
1k
0.75
I
SOURCE
FREQUENCY (Hz)
CURRENT (mA)
–2
1.00
REFOUT = 2.5V
/I
0
SINK
(mA)
AVDD = DVDD = 5V
2
1.25
AVDD = 5V
T
REFOUT DECOUPLED
WITH 100nF CAPACITOR
A
10k
= 25°C
5
V
1.50
REF
T
A
10
= 25°C
= 2.5V
AVDD = 5V
V
T
REF
A
1.75
= 25°C
20
= 2.5V
100k
2.00
40
Rev. B | Page 20 of 40
2.456
2.455
2.454
2.453
2.452
2.451
2.450
2.449
Figure 24. AD5382-3 Output Amplifier Source and Sink Capability
–1
6
5
4
3
2
1
0
–40
AVDD = DVDD = 5V
T
DAC LOADED WITH MIDSCALE
EXTERNAL REFERENCE
Y AXIS = 5μV/DIV
X AXIS = 100ms/DIV
0
A
MIDSCALE
= 25°C
AVDD = DVDD = 3V
V
T
Figure 25. Adjacent Channel DAC-to-DAC Crosstalk
A
REF
= 25°C
–20
50
= 1.25V
ZERO SCALE
100
–10
Figure 26. 0.1 Hz to 10 Hz Noise Plot
150
3/4 SCALE
–5
200
SAMPLE NUMBER
CURRENT (mA)
–2
250
0
300
1/4 SCALE
2
AVDD = DVDD = 5V
V
T
14ns/SAMPLE NUMBER
350
A
REF
AV
= 25°C
FULL SCALE
EXITS SOFT PD
= 2.5V
DD
5
400
TO MIDSCALE
= DV
V
REF
10
T
450
A
DD
= 25°C
= 2.5V
= 5V
20
500
–40
550