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AD5259 数据表(PDF) 10 Page - Analog Devices

部件名 AD5259
功能描述  Nonvolatile, IC-Compatible 256-Position, Digital Potentiometer
PDF  24 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD5259 数据表(HTML) 10 Page - Analog Devices

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AD5259
Data Sheet
Rev. C | Page 10 of 24
400
–600
–500
–400
–300
–200
–100
0
100
200
300
0
256
224
192
160
128
96
64
32
CODE (Decimal)
5k
Ω
10k
Ω
50k
Ω
100k
Ω
Figure 18. Rheostat Mode Tempco (
ΔRAB x 106)/(RAB x ΔT) vs. Code
70
–40
–30
–20
–10
0
10
20
30
40
50
60
0
256
224
192
160
128
96
64
32
CODE (Decimal)
10k
Ω
50k
Ω
5k
Ω
100k
Ω
Figure 19. Potentiometer Mode Tempco (
ΔVW x 106)/(VW x ΔT) vs. Code
350
0
50
100
150
200
250
300
–40
–20
80
60
40
20
0
TEMPERATURE (
°C)
RWB @ VDD = 5.5V
RWB @ VDD = 2.7V
Figure 20. RWB vs. Temperature
120
100
80
60
40
20
0
–40
–20
80
60
40
20
0
TEMPERATURE (
°C)
100k
Ω Rt @ V
DD = 5.5V
50k
Ω Rt @ V
DD = 5.5V
10k
Ω Rt @ V
DD = 5.5V
5k
Ω Rt @ V
DD = 5.5V
Figure 21. Total Resistance vs. Temperature
80H
40H
20H
10H
08H
04H
02H
01H
1k
10M
1M
100k
10k
–60
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
FREQUENCY (Hz)
Figure 22. Gain vs. Frequency vs. Code, RAB = 5 k
Ω
1k
10M
1M
100k
10k
80H
40H
20H
10H
08H
04H
02H
01H
–60
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
FREQUENCY (Hz)
Figure 23. Gain vs. Frequency vs. Code, RAB = 10 k
Ω



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