AD5383BST-3 Analog Devices Inc, AD5383BST-3 Datasheet - Page 20

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AD5383BST-3

Manufacturer Part Number
AD5383BST-3
Description
IC DAC 12BIT 32CH 3V 100-LQFP
Manufacturer
Analog Devices Inc
Datasheet

Specifications of AD5383BST-3

Design Resources
32 Channels of Programmable Voltage with Excellent Temperature Drift Performance Using AD5383 (CN0014) AD5383 Channel Monitor Function (CN0015)
Settling Time
6µs
Number Of Bits
12
Data Interface
Serial, Parallel
Number Of Converters
32
Voltage Supply Source
Single Supply
Power Dissipation (max)
39mW
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
100-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
AD5383
–0.05
–0.10
–0.15
–0.20
Figure 21. AD5383-5 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
Figure 23. REFOUT Noise Spectral Density
(V
3/4 SCALE
DD
1/4 SCALE
–10
–V
0.50
ZERO-SCALE
OUT
MIDSCALE
ERROR AT ZERO SINKING CURRENT
–5
) AT FULL-SCALE SOURCING CURRENT
1k
0.75
I
SOURCE
FREQUENCY (Hz)
CURRENT (mA)
–2
1.00
REFOUT = 2.5V
/I
0
SINK
(mA)
2
AV
T
REFOUT DECOUPLED
WITH 100nF CAPACITOR
1.25
AV
A
DD
10k
= 25°C
DD
= 5V
5
= DV
V
1.50
REF
T
A
DD
10
= 25°C
AV
V
T
= 2.5V
A
REF
= 5V
DD
= 25°C
1.75
20
= 2.5V
= 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. AD5383-3 Output Amplifier Source and Sink Capability
–1
6
5
4
3
2
1
0
–40
0
MIDSCALE
AV
V
T
AV
T
DAC LOADED WITH MIDSCALE
EXTERNAL REFERENCE
Y AXIS = 5μV/DIV
X AXIS = 100ms/DIV
Figure 25. Adjacent Channel DAC-to-DAC Crosstalk
REF
A
A
DD
–20
= 25°C
50
DD
= 25°C
= 1.25V
= DV
= DV
ZERO-SCALE
100
Figure 26. 0.1 Hz to 10 Hz Noise Plot
–10
DD
DD
= 3V
150
= 5V
3/4 SCALE
–5
200
SAMPLE NUMBER
CURRENT (mA)
–2
250
0
300
1/4 SCALE
2
AV
V
T
14ns/SAMPLE NUMBER
350
REF
A
DD
= 25°C
FULL-SCALE
= 2.5V
5
= DV
400
AV
EXITS SOFT PD
DD
TO MIDSCALE
DD
10
450
= DV
V
= 5V
REF
T
A
DD
20
500
= 25°C
= 2.5V
= 5V
550
40

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