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AD5220 Datasheet(PDF) 6 Page - Analog Devices

Part No. AD5220
Description  Increment/Decrement Digital Potentiometer
Download  12 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD5220 Datasheet(HTML) 6 Page - Analog Devices

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AD5220
–6–
REV. 0
80
0
100k
1k
10k
60
40
20
1M
FREQUENCY – Hz
VDD = +5V DC 1V p-p AC
TA = +25 C
CODE = 40H
CL = 10pF
VA = 4V, VB = 0V
Figure 22. Power Supply Rejection
vs. Frequency
TEMPERATURE – C
0.10
0.0001
–40
0.001
–15
10
35
60
85
LOGIC = 0V OR VDD
VD = +5.5V
VDD = +3.3V
0.01
Figure 25. Supply Current vs. Tem-
perature IDD
CLOCK FREQUENCY – Hz
400
0
1k
10M
200
10k
100k
1M
350
150
300
100
250
50
DATA = 3FH
VB = 0V
TA = +25 C
VDD = +5.5V
VA = +5.5V
VDD = +2.7V
VA = +2.7V
Figure 23. IDD Supply Current vs.
Clock Frequency
DIGITAL INPUT VOLTAGE – V
10
0
1
0.1
0.01
0.001
1.0
2.0
3.0
4.0
5.0
TA = +25 C
ALL LOGIC INPUT
PINS TIED TOGETHER
VDD = +5V
VDD = +3V
Figure 26. Supply Current vs. Input
Logic Voltage
VB – Volts
80
0
01
6
23
45
60
40
20
TA = +25 C
SEE FIGURE 34
FOR TEST CIRCUIT
VDD = +2.7V
VDD = +5.5V
Figure 24. Incremental Wiper
Contact Resistance vs. VB


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