參數(shù)資料
型號(hào): EVAL-AD5381EB
廠商: Analog Devices, Inc.
英文描述: 40-Channel, 3 V/5 V, Single-Supply, 12-Bit, Voltage Output DAC
中文描述: 40通道,3伏/ 5 V,單電源,12位,電壓輸出DAC
文件頁(yè)數(shù): 20/36頁(yè)
文件大小: 1200K
代理商: EVAL-AD5381EB
AD5381
Rev. A | Page 20 of 36
0
CURRENT (mA)
–40
–20
–10
–5
–2
0
2
5
10
20
40
V
O
–1
6
4
3
2
5
1
0
ZEROSCALE
1/4 SCALE
MIDSCALE
3/4 SCALE
FULLSCALE
AV
DD
= DV
DD
= 5V
V
REF
= 2.5V
A
= 25°C
Figure 21. AD5381-5 Output Amplifier Source and Sink Capability
0
I
SOURCE
/I
SINK
(mA)
2.00
0
0.25
0.50
0.75
1.00
1.25
1.50
1.75
E
–0.20
0.20
0.10
0.05
0.15
0
–0.05
–0.10
–0.15
AV
DD
= 5V
V
REF
= 2.5V
T
A
ERROR AT ZERO SINKING CURRENT
(V
DD
–V
OUT
) AT FULL-SCALE SOURCING CURRENT
Figure 22. Headroom at Rails vs. Source/Sink Current
0
FREQUENCY (Hz)
100k
100
1k
10k
O
0
600
500
400
300
200
100
AV
= 5V
T
= 25°C
REFOUT DECOUPLED
WITH 100nF CAPACITOR
REFOUT = 2.5V
REFOUT = 1.25V
Figure 23. REFOUT Noise Spectral Density
0
CURRENT (mA)
–40
–20
–10
–5
–2
0
2
5
10
20
–40
V
O
–1
6
4
3
2
5
1
0
ZERO-SCALE
1/4 SCALE
MIDSCALE
3/4 SCALE
FULL-SCALE
AV
DD
= DV
DD
= 3V
V
REF
= 1.25V
T
A
= 25°C
Figure 24. AD5381-3 Output Amplifier Source and Sink Capability
0
SAMPLE NUMBER
550
0
100
150
200
250
300
50
350
400
500
450
A
2.449
2.456
2.455
2.454
2.453
2.452
2.451
2.450
AV
DD
= DV
DD
= 5V
V
REF
= 2.5V
T
= 25°C
14ns/SAMPLE NUMBER
Figure 25. Adjacent Channel DAC-to-DAC Crosstalk
AV
DD
= DV
DD
= 5V
V
REF
= 2.5V
= 25°C
EXITS SOFT PD
TO MIDSCALE
0
AV
= DV
DD
= 5V
T
= 25°C
DAC LOADED WITH MIDSCALE
EXTERNAL REFERENCE
Y AXIS = 5
μ
V/DIV
X AXIS = 100ms/DIV
Figure 26. 0.1 Hz to 10 Hz Noise Plot
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參數(shù)描述
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