参数资料
型号: AD5255BRU25-RL7
厂商: ANALOG DEVICES INC
元件分类: 数字电位计
英文描述: 3-Channel Digital Potentiometer with Nonvolatile Memory
中文描述: TRIPLE 25K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, 512 POSITIONS, PDSO24
封装: MO-153AD, TSSOP-24
文件页数: 9/20页
文件大小: 626K
代理商: AD5255BRU25-RL7
AD5255
Rev. 0 | Page 9 of 20
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
0.5
R
64
48
16
32
0
80
96
11
CODE (DECIMAL)
0
2
128
T
A
= –40°C, 25°C, 85°C SUPERIMPOSED
V
DD
= 5V
Figure 10. R-INL—7-Bit RDAC
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
0.5
R
64
48
16
32
0
80
96
11
CODE (DECIMAL)
0
2
128
T
A
= –40°C, 25°C, 85°C SUPERIMPOSED
V
DD
= 5V
Figure 11. R-DNL—7-Bit RDAC
0
5
10
15
20
25
30
35
40
45
50
R
256
192
64
128
0
320
384
448
512
CODE (DECIMAL)
0
T
A
= –40°C, 85°C
V
DD
= 5V
V
A
= V
DD
V
B
= 0V
Figure 12. Temperature Coefficient (Rheostat Mode)
0
5
10
15
20
25
30
35
40
45
50
P
256
192
64
128
0
320
384
448
512
CODE (DECIMAL)
0
T
A
= –40°C, 85°C
V
DD
= 5V
V
A
= V
DD
V
B
= 0V
Figure 13. Temperature Coefficient (Potentiometer Mode)
–10
–8
–6
–4
–2
0
2
4
6
8
10
S
–40
–20
0
20
40
60
80
100
120
140
TEMPERATURE (°C)
0
I
DD
: V
DD
= 5.5V
I
DD
: V
DD
= 2.7V
I
S
: V
DD
= 2.7V, V
SS
= 2.7V
Figure 14. Supply Current vs. Temperature
30
40
50
60
70
80
I
D
90
100
110
1
10
1
10
2
10
3
10
4
10
5
10
6
10
7
CLOCK FREQUENCY (Hz)
0
T
A
= 25°C
V
DD
= 5.5V
V
DD
= 2.7V
Figure 15. Supply Current vs. Clock Frequency
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