參數(shù)資料
型號: AD5381BSTZ-3-REEL
廠商: Analog Devices Inc
文件頁數(shù): 13/40頁
文件大?。?/td> 0K
描述: IC DAC 12BIT 40CH 3V 100-LQFP
產(chǎn)品培訓(xùn)模塊: Data Converter Fundamentals
DAC Architectures
產(chǎn)品變化通告: AD5381,3 Redesign Change 24/Oct/2011
設(shè)計資源: 40 Channels of Programmable Voltage with Excellent Temperature Drift Performance Using AD5381 (CN0010)
AD5381 Channel Monitor Function (CN0013)
標(biāo)準(zhǔn)包裝: 1
設(shè)置時間: 6µs
位數(shù): 12
數(shù)據(jù)接口: 串行,并聯(lián)
轉(zhuǎn)換器數(shù)目: 40
電壓電源: 單電源
功率耗散(最大): 80mW
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 100-LQFP
供應(yīng)商設(shè)備封裝: 100-LQFP(14x14)
包裝: 標(biāo)準(zhǔn)包裝
輸出數(shù)目和類型: 40 電壓,單極
采樣率(每秒): 167k
其它名稱: AD5381BSTZ-3-REELDKR
AD5381
Data Sheet
Rev. D | Page 20 of 40
03732-
021
CURRENT (mA)
–40
–20
–10
–5
–2
0
2
5
10
20
40
VO
U
T
(V)
–1
6
4
3
2
5
1
0
ZERO SCALE
1/4 SCALE
MIDSCALE
3/4 SCALE
FULL SCALE
AVDD = DVDD = 5V
VREF = 2.5V
TA = 25°C
Figure 21. AD5381-5 Output Amplifier Source and Sink Capability
03732-022
ISOURCE/ISINK (mA)
2.00
0
0.25
0.50
0.75
1.00
1.25
1.50
1.75
ERROR
VOLTAGE
(V)
–0.20
0.20
0.10
0.05
0.15
0
–0.05
–0.10
–0.15
AVDD = 5V
VREF = 2.5V
TA = 25°C
ERROR AT ZERO SINKING CURRENT
(VDD–VOUT) AT FULL-SCALE SOURCING CURRENT
Figure 22. Headroom at Rails vs. Source/Sink Current
03732-023
FREQUENCY (Hz)
100k
100
1k
10k
OUTPUT
NOISE
(nV/
Hz)
0
600
500
400
300
200
100
AVDD = 5V
TA = 25°C
REFOUT DECOUPLED
WITH 100nF CAPACITOR
REFOUT = 2.5V
REFOUT = 1.25V
Figure 23. REFOUT Noise Spectral Density
03732-
024
CURRENT (mA)
–40
–20
–10
–5
–2
0
2
5
10
20
–40
VO
U
T
(V)
–1
6
4
3
2
5
1
0
ZERO SCALE
1/4 SCALE
MIDSCALE
3/4 SCALE
FULL SCALE
AVDD = DVDD = 3V
VREF = 1.25V
TA = 25°C
Figure 24. AD5381-3 Output Amplifier Source and Sink Capability
03732-025
SAMPLE NUMBER
550
0
100
150
200
250
300
50
350
400
500
450
AMPLITUDE
(V)
2.449
2.456
2.455
2.454
2.453
2.452
2.451
2.450
AVDD = DVDD = 5V
VREF = 2.5V
TA = 25°C
14ns/SAMPLE NUMBER
Figure 25. Adjacent Channel DAC-to-DAC Crosstalk
AVDD = DVDD = 5V
VREF = 2.5V
TA = 25°C
EXITS SOFT PD
TO MIDSCALE
03732-026
AVDD = DVDD = 5V
TA = 25°C
DAC LOADED WITH MIDSCALE
EXTERNAL REFERENCE
Y AXIS = 5
V/DIV
X AXIS = 100ms/DIV
Figure 26. 0.1 Hz to 10 Hz Noise Plot
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