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參數(shù)資料
| 型號： | AD5259EVAL2 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | Nonvolatile, I2C-Compatible 256-Position, Digital Potentiometer |
| 中文描述： | 非易失，I2C兼容256級，數(shù)字電位器 |
| 文件頁數(shù)： | 11/24頁 |
| 文件大?。?/td> | 1039K |
| 代理商： | AD5259EVAL2 |
AD5259
Rev. A | Page 11 of 24
1k
1M
100k
10k
0
80
H
40
H
20
H
10
H
08
H
04
H
02
H
01
H
–60
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
FREQUENCY (Hz)
G
Figure 24. Gain vs. Frequency vs. Code, R
AB
= 50 k
Ω
1k
1M
100k
10k
0
80
H
40
H
20
H
10
H
08
H
04
H
02
H
01
H
–60
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
FREQUENCY (Hz)
G
Figure 25. Gain vs. Frequency vs. Code, R
AB
= 100 k
Ω
1k
10M
1M
100k
10k
0
50k
Ω
160kHz
100k
Ω
80kHz
5k
Ω
2MHz
10k
Ω
800kHz
–60
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
FREQUENCY (Hz)
G
Figure 26.
3 dB Bandwidth @ Code = 0×80
10k
1k
100
10
0
1
2
3
4
5
0
V
IH
(V)
I
L
μ
A
V
DD
= V
LOGIC
= 5V
V
DD
= V
LOGIC
= 3V
Figure 27. Logic Supply Current vs. Input Voltage
80
60
40
20
0
100
1k
1M
100k
10k
0
FREQUENCY (Hz)
P
CODE = MIDSCALE, V
A
= V
LOGIC
, V
B
= 0V
PSRR @ V
LOGIC
= 5V DC
±
10% p-p AC
PSRR @ V
LOGIC
= 3V DC
±
10% p-p AC
Figure 28. PSRR vs. Frequency
0
1
2
V
W
SCL
2
400ns/DIV
5
Figure 29. Digital Feedthrough
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