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参数资料
| 型号： | AD5259EVAL2 |
| 厂商： | Analog Devices, Inc. |
| 元件分类： | 数字电位计 |
| 英文描述： | Nonvolatile, I2C-Compatible 256-Position, Digital Potentiometer |
| 中文描述： | 非易失，I2C兼容256级，数字电位器 |
| 文件页数： | 9/24页 |
| 文件大小： | 1039K |
| 代理商： | AD5259EVAL2 |
AD5259
Rev. A | Page 9 of 24
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0
256
224
192
160
128
96
CODE (Decimal)
64
32
0
R
–40
°
C
+85
°
C
+25
°
C
Figure 12. R-INL vs. Code vs. Temperature
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0
256
224
192
160
128
96
CODE (Decimal)
64
32
0
R
T
A
= –40
°
C
T
A
= +85
°
C
T
A
= +25
°
C
Figure 13. R-DNL vs. Code vs. Temperature
0
–3.0
–2.5
–2.0
–1.5
–1.0
–0.5
–40
–20
80
60
40
20
0
0
TEMPERATURE (
°
C)
F
FSE @ V
DD
= 2.7V
FSE @ V
DD
= 5.5V
Figure 14. Full-Scale Error vs. Temperature
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
–40
–20
80
60
40
20
0
0
TEMPERATURE (
°
C)
Z
ZSE @ V
DD
= 2.7V
ZSE @ V
DD
= 5.5V
Figure 15. Zero-Scale Error vs. Temperature
1
0.1
–40
–20
80
60
40
20
0
0
TEMPERATURE (
°
C)
I
D
,
μ
A
V
DD
= 5.5V
Figure 16. Supply Current vs. Temperature
6
–1
0
1
2
3
4
5
–40
–20
80
60
40
20
0
0
TEMPERATURE (
°
C)
I
L
,
μ
A
V
DD
= 2.7V
V
DD
= 5.5V
Figure 17. Logic Supply Current vs. Temperature vs. V
DD
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