參數(shù)資料
型號(hào): AD5258BRMZ1001
廠商: Analog Devices, Inc.
元件分類: 數(shù)字電位計(jì)
英文描述: Nonvolatile, I2C-Compatible 64-Position, Digital Potentiometer
中文描述: 非易失,I2C兼容的64工位,數(shù)字電位器
文件頁(yè)數(shù): 10/24頁(yè)
文件大?。?/td> 1299K
代理商: AD5258BRMZ1001
AD5258
Rev. 0 | Page 10 of 24
250
–150
–100
–50
0
50
100
150
200
0
8
16
24
CODE (Decimal)
65
40
48
56
64
0
R
°
C
1k
10k
50k
100k
Figure 18. Rheostat Mode Tempco (
Δ
R
AB
×10
6
)/( R
AB
× T) vs. Code
120
100
–20
0
20
40
60
80
0
8
16
24
CODE (Decimal)
65
40
48
56
64
0
P
°
C
1k
50k
10k
100k
Figure 19. Potentiometer Mode Tempco (
Δ
V
W
× 10
6
)/( V
W
×
Δ
T) vs. Code
350
300
0
–40
50
100
150
200
250
80
60
40
20
0
–20
0
TEMPERATURE (
°
C)
R
W
R
WB
@ V
DD
= 2.7V
R
WB
@ V
DD
= 5.5V
Figure 20. R
WB
vs. Temperature
120
100
80
60
40
20
0
–40
80
60
40
20
0
–20
0
TEMPERATURE (
°
C)
T
)
10k Rt @ V
DD
= 5.5V
1k Rt @ V
DD
= 5.5V
50k Rt @ V
DD
= 5.5V
100k Rt @ V
DD
= 5.5V
Figure 21. Total Resistance vs. Temperature
0
–54
–60
–48
–42
–36
–30
–24
–18
–12
–6
0
10k
100k
1M
10M
100M
G
FREQUENCY (Hz)
20
H
10
H
08
H
04
H
02
H
01
H
Figure 22. Gain vs. Frequency vs. Code, R
AB
= 1 k
0
20
H
10
H
08
H
04
H
02
H
01
H
–54
–60
–48
–42
–36
–30
–24
–18
–12
–6
0
1k
10k
100k
1M
10M
G
FREQUENCY (Hz)
Figure 23. Gain vs. Frequency vs. Code, R
AB
= 10 k
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