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AD5220 PDF预览

AD5220

更新时间: 2022-12-11 21:11:18
品牌 Logo 应用领域
亚德诺 - ADI 数字电位计
页数 文件大小 规格书
10页 266K
描述
Increment/Decrement Digital Potentiometer

AD5220 数据手册

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AD5220  
80  
60  
40  
20  
0
80  
400  
350  
300  
T
= +25؇C  
A
DATA = 3F  
H
SEE FIGURE 34  
FOR TEST CIRCUIT  
V
T
= 0V  
= +25؇C  
B
A
60  
40  
V
= +2.7V  
DD  
250  
200  
V
V
= +5.5V  
= +5.5V  
DD  
A
V
= +5.5V  
DD  
150  
100  
V
V
= +2.7V  
DD  
V
T
= +5V DC ؎1V p-p AC  
DD  
= +25؇C  
A
= +2.7V  
A
20  
0
CODE = 40  
H
C
= 10pF  
L
50  
0
V
= 4V, V = 0V  
A
B
0
1
2
3
4
5
6
1k  
10k  
100k  
1M  
1k  
10k  
100k  
1M  
10M  
V
– Volts  
B
FREQUENCY – Hz  
CLOCK FREQUENCY – Hz  
Figure 24. Incremental Wiper  
Contact Resistance vs. VB  
Figure 22. Power Supply Rejection  
vs. Frequency  
Figure 23. IDD Supply Current vs.  
Clock Frequency  
0.10  
10  
T
= +25؇C  
LOGIC = 0V OR V  
DD  
A
ALL LOGIC INPUT  
PINS TIED TOGETHER  
V
= +5.5V  
D
1
0.1  
V
= +5V  
DD  
0.01  
V
= +3V  
DD  
V
= +3.3V  
DD  
0.001  
0.01  
0.001  
0.0001  
0
1.0  
2.0  
3.0  
4.0  
5.0  
–40  
–15  
10  
35  
60  
85  
DIGITAL INPUT VOLTAGE – V  
TEMPERATURE – ؇C  
Figure 25. Supply Current vs. Tem-  
perature IDD  
Figure 26. Supply Current vs. Input  
Logic Voltage  
–6–  
REV. 0  

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