參數(shù)資料
型號: AD5203
廠商: Analog Devices, Inc.
元件分類: 數(shù)字電位計
英文描述: 4-Channel, 64-Position Digital Potentiometer(4通道數(shù)字電位器)
中文描述: 4通道,64工位數(shù)字電位器(4通道數(shù)字電位器)
文件頁數(shù): 7/12頁
文件大?。?/td> 271K
代理商: AD5203
AD5203
–7–
REV. 0
80
0
100k
1k
10k
FREQUENCY – Hz
60
40
20
1M
P
V
DD
= +5V DC
6
1V p-p AC
T
= +25
8
C
CODE = 80
H
C
L
= 10pF
V
A
= 4V, V
B
= 0V
Figure 20. Power Supply Rejection
vs. Frequency
V
DD
– Volts
R
O
V
100
80
00
1
6
2
3
4
5
60
40
20
T
A
= +25
8
C
V
DD
= +2.7V
V
DD
= +5.5V
Figure 23. Incremental Wiper ON
Resistance vs. V
DD
0
–50
10
100
1M
1k
10k
100k
–10
–20
–30
–40
G
FREQUENCY – Hz
–5
–15
–25
–35
–45
V
DD
= +5V
V
= 100mV rms
CODE = 20
H
T
A
= +25
8
C
f
–3dB
= 625kHz,
R = 10k
V
f
–3dB
= 65kHz,
R = 100k
V
Figure 21. –3dB Frequency at
Half-Scale
I
A
100
1
–55 –35
10
–15
5
25
45
65
85
105 125
TEMPERATURE –
8
C
V
DD
= +5V
Figure 24. Shutdown Current vs.
Temperature
FREQUENCY – Hz
1k
1M
10M
10k
100k
I
D
S
m
A
1200
1000
800
600
400
200
0
T
A
= +25
8
C
A
B
C
D
A – V
= +5.5V
CODE = 15
H
B – V
= +3.3V
CODE = 15
H
C – V
DD
= +5.5V
CODE = 3F
H
D – V
= +3.3V
CODE = 3F
H
Figure 22. Supply Current vs. Clock
Frequency
TEMPERATURE –
8
C
I
D
m
A
1
0.1
0.001
–55 –35
125
–15
5
25
45
65
85
105
0.01
V
DD
= +5.5V
V
DD
= +3.3V
LOGIC INPUT
VOLTAGE = 0, V
DD
Figure 25. Supply Current vs.
Temperature
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