Datasheet

AD5220
–6–
REV.
80
0
100k1k 10k
60
40
20
1M
FREQUENCY – Hz
PSRR – dB
V
DD
= +5V DC 61V p-p AC
T
A
= +258C
CODE = 40
H
C
L
= 10pF
V
A
= 4V, V
B
= 0V
Figure 22. Power Supply Rejection
vs. Frequency
TEMPERATURE – 8C
I
DD
SUPPLY CURRENT – mA
0.10
0.0001
–40
0.001
–15 10 35 60 85
LOGIC = 0V OR V
DD
V
D
= +5.5V
V
DD
= +3.3V
0.01
Figure 25. Supply Current vs. Tem-
perature I
DD
CLOCK FREQUENCY – Hz
I
DD
– SUPPLY CURRENT – mA
400
0
1k 10M
200
10k 100k 1M
350
150
300
100
250
50
DATA = 3F
H
V
B
= 0V
T
A
= +258C
V
DD
= +5.5V
V
A
= +5.5V
V
DD
= +2.7V
V
A
= +2.7V
Figure 23. I
DD
Supply Current vs.
Clock Frequency
DIGITAL INPUT VOLTAGE – V
SUPPLY CURRENT – mA
10
0
1
0.1
0.01
0.001
1.0 2.0 3.0 4.0 5.0
T
A
= +258C
ALL LOGIC INPUT
PINS TIED TOGETHER
V
DD
= +5V
V
DD
= +3V
Figure 26. Supply Current vs. Input
Logic Voltage
V
B
– Volts
R
ON
– V
80
0
01 6
23 45
60
40
20
T
A
= +258C
SEE FIGURE 34
FOR TEST CIRCUIT
V
DD
= +2.7V
V
DD
= +5.5V
Figure 24. Incremental Wiper
Contact Resistance vs. V
B
A