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AD9445 Datasheet(PDF) 18 Page - Analog Devices

Part # AD9445
Description  14-Bit, 105/125 MSPS, IF Sampling ADC
PDF  41 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD9445 Datasheet(HTML) 18 Page - Analog Devices

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



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