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參數(shù)資料
| 型號： | AD5227EVAL |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | 64-Position Up/Down Control Digital Potentiometer |
| 中文描述： | 64工位上/下控制數(shù)字電位器 |
| 文件頁數(shù)： | 8/16頁 |
| 文件大?。?/td> | 331K |
| 代理商： | AD5227EVAL |
AD5227
Rev. 0 | Page 8 of 16
1
0.1
–40
–20
0
20
40
60
100
80
0
TEMPERATURE (
°
C)
S
μ
A
V
DD
= 5.5V
Figure 12. Supply Current vs. Temperature
1
0.1
–40
–20
0
20
40
60
100
80
0
TEMPERATURE (
°
C)
N
A
)
V
DD
= 5.5V
R
AB
= 50k
R
AB
= 100k
R
AB
= 10k
Figure 13. Nominal Resistance vs. Temperature
120
0
–40
20
40
60
80
100
–20
0
20
40
60
100
80
0
TEMPERATURE (
°
C)
W
W
)
V
DD
= 5.5V
V
DD
= 2.7V
Figure 14. Wiper Resistance vs. Temperature
20
–20
–15
–10
–5
0
5
10
15
0
8
16
24
CODE (Decimal)
32
40
48
56
64
0
R
°
C
10k
50k
100k
V
DD
= 5.5V
Figure 15. Rheostat Mode Tempco R
WB
/T vs. Code
20
–20
–15
–10
–5
0
5
10
15
0
8
16
24
CODE (Decimal)
32
40
48
56
64
0
P
°
C
10k
50k
100k
V
DD
= 5.5V
Figure 16. Potentiometer Mode Tempco R
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
461 441.868Hz
100k
0
d
T
A
= 25
°
C
V
DD
= 5.5V
V
A
= 50mV rms
32 STEPS
16 STEPS
8 STEPS
4 STEPS
2 STEPS
1 STEP
Figure 17. Gain vs. Frequency vs. Code, R
AB
= 10 k
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