AD5259 查看數據表（PDF） - Analog Devices
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AD5259 Datasheet PDF : 24 Pages
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0
80H
–6
40H
–12
–18
20H
–24
10H
08H
–30
04H
–36
02H
–42
01H
–48
–54
–60
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 24. Gain vs. Frequency vs. Code, RAB = 50 kΩ
0
–6
–12
–18
–24
–30
–36
–42
–48
–54
–60
1k
80H
40H
20H
10H
08H
04H
02H
01H
10k
100k
1M
FREQUENCY (Hz)
Figure 25. Gain vs. Frequency vs. Code, RAB = 100 kΩ
0
–6
–12
100kΩ
–18
80kHz
50kΩ
–24
160kHz
10kΩ
–30
800kHz
5kΩ
–36
2MHz
–42
–48
–54
–60
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 26. −3 dB Bandwidth @ Code = 0×80
AD5259
10k
VDD = VLOGIC = 5V
1k
VDD = VLOGIC = 3V
100
10
0
1
2
3
4
5
VIH (V)
Figure 27. Logic Supply Current vs. Input Voltage
80
CODE = MIDSCALE, VA = VLOGIC, VB = 0V
PSRR @ VLOGIC = 5V DC ± 10% p-p AC
60
40
PSRR @ VLOGIC = 3V DC ± 10% p-p AC
20
0
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 28. PSRR vs. Frequency
VW
1
SCL
2
400ns/DIV
Figure 29. Digital Feedthrough
Rev. A | Page 11 of 24
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