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AD5259 数据表(PDF) 11 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) 11 Page - Analog Devices

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Data Sheet
AD5259
Rev. C | Page 11 of 24
1k
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 24. Gain vs. Frequency vs. Code, RAB = 50 k
Ω
1k
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 25. Gain vs. Frequency vs. Code, RAB = 100 k
Ω
1k
10M
1M
100k
10k
50k
160kHz
100k
80kHz
5k
2MHz
10k
800kHz
–60
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
FREQUENCY (Hz)
Figure 26.
−3 dB Bandwidth @ Code = 0×80
10k
1k
100
10
0
123
45
VIH (V)
VDD = VLOGIC = 5V
VDD = VLOGIC = 3V
Figure 27. Logic Supply Current vs. Input Voltage
80
60
40
20
0
100
1k
1M
100k
10k
FREQUENCY (Hz)
CODE = MIDSCALE, VA = VLOGIC, VB = 0V
PSRR @ VLOGIC = 5V DC  10% p-p AC
PSRR @ VLOGIC = 3V DC  10% p-p AC
Figure 28. PSRR vs. Frequency
1
2
VW
SCL
400ns/DIV
Figure 29. Digital Feedthrough



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