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参数资料
| 型号： | AD5259BRMZ5-R7 |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 数字电位计 |
| 英文描述： | 18 Bit, 1.25MSPS Single Channel Delta-Sigma ADC Single with FIFO 64-HTQFP -40 to 105 |
| 中文描述： | 5K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO10 |
| 封装： | 3 X 4.90 MM, 1.10 MM HEIGHT, LEAD FREE, MO-187BA, MSOP-10 |
| 文件页数： | 10/24页 |
| 文件大小： | 1039K |
| 代理商： | AD5259BRMZ5-R7 |
AD5259
Rev. A | Page 10 of 24
400
–600
–500
–400
–300
–200
–100
0
100
200
300
0
256
224
192
160
128
96
CODE (Decimal)
64
32
0
R
°
C
5k
Ω
10k
Ω
50k
Ω
100k
Ω
Figure 18. Rheostat Mode Tempco (
Δ
R
AB
x 10
6
)/(R
AB
x
Δ
T) vs. Code
70
–40
–30
–20
–10
0
10
20
30
40
50
60
0
256
224
192
160
128
96
CODE (Decimal)
64
32
0
P
°
C
10k
Ω
50k
Ω
5k
Ω
100k
Ω
Figure 19. Potentiometer Mode Tempco (
Δ
V
W
x 10
6
)/(V
W
x
Δ
T) vs. Code
350
0
–40
50
100
150
200
250
300
–20
80
60
40
20
0
0
TEMPERATURE (
°
C)
R
W
R
WB
@ V
DD
= 5.5V
R
WB
@ V
DD
= 2.7V
Figure 20. R
WB
vs. Temperature
120
100
80
60
40
20
0
–40
–20
80
60
40
20
0
0
TEMPERATURE (
°
C)
T
Ω
)
100k
Ω
Rt @ V
DD
= 5.5V
50k
Ω
Rt @ V
DD
= 5.5V
10k
Ω
Rt @ V
= 5.5V
5k
Ω
Rt @ V
DD
= 5.5V
Figure 21. Total Resistance vs. Temperature
0
80
H
40
H
20
H
10
H
08
H
04
H
02
H
01
H
1k
10M
1M
100k
10k
–60
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
FREQUENCY (Hz)
G
Figure 22. Gain vs. Frequency vs. Code, R
AB
= 5 k
Ω
1k
10M
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 23. Gain vs. Frequency vs. Code, R
AB
= 10 k
Ω
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