參數(shù)資料
型號: AD5228EVAL
廠商: Analog Devices, Inc.
元件分類: 數(shù)字電位計
英文描述: 32-Position Manual Up/Down Control Potentiometer
中文描述: 32工位手冊上/下控制電位器
文件頁數(shù): 9/20頁
文件大小: 341K
代理商: AD5228EVAL
AD5228
Rev. 0 | Page 9 of 20
120
0
–40
20
40
60
80
100
–20
0
20
40
60
100
80
0
TEMPERATURE (
°
C)
W
W
)
V
DD
= 2.7V
V
DD
= 5.5V
Figure 19. Wiper Resistance vs. Temperature
150
–30
0
30
60
90
120
0
4
8
12
CODE (Decimal)
16
20
24
28
32
0
R
R
W
/
T
°
C
10k
50k
100k
V
= 5.5V
A = OPEN
Figure 20. Rheostat Mode Tempco R
WB
/T vs. Code
20
–20
–15
–10
–5
0
5
10
15
0
4
8
12
CODE (Decimal)
16
20
24
28
32
0
P
V
T
°
C
10k
50k
100k
V
DD
= V
A
= 5.5V
V
B
= 0V
Figure 21. Potentiometer Mode Tempco V
WB
/T vs. Code
6
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
1k
START 1 000.000Hz
10k
1M
STOP 1 000 000.000Hz
REF LEVEL
/DIV
MARKER
469 390.941Hz
100k
0
G
T
A
= 25
°
C
V
DD
= 5.5V
V
A
= 50mV rms
16 STEPS
8 STEPS
4 STEPS
2 STEPS
1 STEP
Figure 22. Gain vs. Frequency vs. Code, R
AB
= 10 k
6
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
1k
START 1 000.000Hz
10k
1M
STOP 1 000 000.000Hz
REF LEVEL
/DIV
MARKER
97 525.233Hz
100k
0
G
T
A
= 25
°
C
V
DD
= 5.5V
V
A
= 50mV rms
16 STEPS
8 STEPS
4 STEPS
2 STEPS
1 STEP
Figure 23. Gain vs. Frequency vs. Code, R
AB
= 50 k
6
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
1k
START 1 000.000Hz
10k
1M
STOP 1 000 000.000Hz
REF LEVEL
/DIV
MARKER
51 404.427Hz
100k
0
G
T
A
= 25
°
C
V
DD
= 5.5V
V
A
= 50mV rms
16 STEPS
8 STEPS
4 STEPS
2 STEPS
1 STEP
Figure 24. Gain vs. Frequency vs. Code, R
AB
= 100 k
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