AD5258 Просмотр технического описания (PDF) - Analog Devices
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AD5258 Datasheet PDF : 24 Pages
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0
–6
20H
–12
10H
–18
08H
–24
04H
02H
–30
01H
–36
–42
–48
–54
–60
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 24. Gain vs. Frequency vs. Code, RAB = 50 kΩ
0
20H
–6
10H
–12
08H
–18
04H
–24
02H
–30
01H
–36
–42
–48
–54
–60
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 25. Gain vs. Frequency vs. Code, RAB = 100 kΩ
10k
VDD = VLOGIC = 5V
1k
VDD = VLOGIC = 3V
100
10
0
1
2
3
4
5
VIH (V)
Figure 26. Logic Supply Current vs. Input Voltage
AD5258
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 27. PSRR vs. Frequency
VW
1
SCL
2
400ns/DIV
Figure 28. Digital Feedthrough
VW
1
1µs/DIV
Figure 29. Midscale Glitch, Code 0×7F to 0×80
Rev. 0 | Page 11 of 24
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