AD9445 查看數據表（PDF） - Analog Devices
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AD9445 Datasheet PDF : 40 Pages
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100
SFDR +85°C
95
SFDR +25°C
90
SFDR –40°C
85
SNR +25°C
80
SNR –40°C
75
70
SNR +85°C
65
60
55
0 50 100 150 200 250 300 350 400 450
ANALOG INPUT FREQUENCY (MHz)
Figure 18. AD9445-125 SNR/SFDR vs. Analog Input Frequency,
125 MSPS, 2.0 V p-p Input Range
100
SFDR +25°C
SFDR +85°C
95
90
85
SNR +25°C
80
SNR –40°C
SFDR –40°C
75
70
SNR +85°C
65
60
55
0 10 20 30 40 50 60 70 80 90 100
ANALOG INPUT FREQUENCY (MHz)
Figure 19. AD9445-125 SNR/SFDR vs. Analog Input Frequency,
3.2 V p-p Input Range, 125 MSPS, CMOS Output Mode
AD9445
100
SFDR +85°C
95
SFDR –40°C
90
SFDR +25°C
85
80
SNR –40°C
75
SNR +25°C
70
SNR +85°C
65
60
55
0 50 100 150 200 250 300 350 400 450
ANALOG INPUT FREQUENCY (MHz)
Figure 21. AD9445-125 SNR/SFDR vs. Analog Input Frequency,
125 MSPS, 3.2 V p-p Input Range
105
100 125M SFDR dBc
95
105M SFDR dBc
90
85
80
125M SNR dB
75
105M SNR dB
70
0
20
40
60
80 100 120 140
SAMPLE RATE (MSPS)
Figure 22. AD9445 Single-Tone SNR/SFDR vs. Sample Rate 2.3 MHz
120
SFDR dBFS
100
120
SFDR dBFS
100
80
SNR dBFS
60
80
SNR dBFS
60
40
SFDR dBc
20
SNR dB
0
–100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0
ANALOG INPUT AMPLITUDE (dB)
Figure 20. AD9445-125 SNR/SFDR vs. Analog Input Level,
125 MSPS/225.3 MHz
40
SFDR dBc
20
SNR dB
0
–100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0
ANALOG INPUT AMPLITUDE (dB)
Figure 23. AD9445-125 SNR/SFDR vs. Analog Input Level,
125 MSPS/225.3 MHz, CMOS Output Mode
Rev. 0 | Page 17 of 40
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