AD5245(Rev0) 查看數據表（PDF） - Analog Devices
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AD5245 Datasheet PDF : 16 Pages
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REF LEVEL
–5.000dB
–5.5
/DIV
0.500dB
–6.0
–6.5
–7.0
–7.5
–8.0
–8.5
–9.0
–9.5
R = 100kΩ
R = 50kΩ
R = 10kΩ
–10.0
–10.5
10k
100k
START 1 000.000Hz
5kΩ – 1.026 MHz
10kΩ – 511 MHz
50kΩ – 101 MHz
100kΩ – 54 MHz
R = 5kΩ
1M
10M
STOP 1 000 000.000Hz
Figure 21. –3 dB Bandwidth @ Code = 0x80
60
CODE = 0x80, VA= VDD, VB = 0V
40
PSRR @ VDD = 3V DC ± 10% p-p AC
20
PSRR @ VDD = 5V DC ± 10% p-p AC
0
100
1k
10k
100k
FREQUENCY (Hz)
Figure 22. PSRR vs. Frequency
900
800
700
600
500
400
300
200
100
0
10k
VDD = 5V
CODE = 0x55
CODE = 0xFF
100k
1M
FREQUENCY (Hz)
Figure 23. IDD vs. Frequency
1M
10M
AD5245
1
VW
SCL
2
Ch 1 200mV BW Ch 2 5.00 V BW M 100ns A CH2 3.00 V
Figure 24. Digital Feedthrough
VA = 5V
VB = 0V
1
VW
SCL
2
Ch 1 100mV BW Ch 2 5.00 V BW M 200ns A CH1 152mV
Figure 25. Midscale Glitch, Code 0x80–0x7F
VA = 5V
VB = 0V
1
VW
SCL
2
Ch 1 5.00V BW Ch 2 5.00 V BW M 200ns A CH1 3.00 V
Figure 26. Large Signal Settling Time, Code 0xFF–0x00
Rev. 0 | Page 9 of 16
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