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AD9237 View Datasheet(PDF) - Analog Devices

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AD9237 Datasheet PDF : 28 Pages
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AD9237
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 3.0 V, DRVDD = 2.5 V, maximum sample rate with DCS disabled, TA = 25°C, 2 V p-p differential input, AIN = –0.5 dBFS,
VREF = 1.0 V internal, FFT length 16 K, unless otherwise noted.
0
SNR = 66.9dBc
SFDR = 87.0dBc
–20
90
SFDR
85
–40
80
–60
75
–80
–100
70
SNR
65
–120
0
2
4
6
8
10
FREQUENCY (MHz)
Figure 8. AD9237-20 10 MHz FFT
0
SNR = 66.8dBc
SFDR = 83.1dBc
–20
–40
–60
–80
–100
–120
0
0
–20
2 4 6 8 10 12 14 16 18 20
FREQUENCY (MHz)
Figure 9. AD9237-40 20 MHz FFT
SNR = 66.0dBc
SFDR = 78.6dBc
–40
60
10.0
12.5
15.0
17.5
20.0
CLOCK FREQUENCY (MSPS)
Figure 11. AD9237-20 SNR/SFDR vs. Clock Frequency with fIN = 10 MHz
90
85
SFDR
80
75
70
SNR
65
20
25
30
35
40
CLOCK FREQUENCY (MSPS)
Figure 12. AD9237-40 SNR/SFDR vs. Clock Frequency with fIN = 20 MHz
90
85
SFDR
80
–60
75
–80
–100
70
SNR
65
–120
0
5
10
15
20
25
FREQUENCY (MHz)
Figure 10. AD9237-65 70 MHz FFT
30 32.5
60
40
45
50
55
60
65
CLOCK FREQUENCY (MSPS)
Figure 13. AD9237-65 SNR/SFDR vs. Clock Frequency with fIN = 35 MHz
Rev. 0 | Page 11 of 28
 

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