Datasheet

AD9229
Rev. B | Page 13 of 40
FREQUENCY (MHz)
SNR/SFDR (dB)
90
85
80
75
65
60
70
50
45
55
1 10010 1000
04418-021
SFDR (dBc)
SNR (dB)
Figure 21. SNR/SFDR vs. f
IN
, f
SAMPLE
= 65 MHz
FREQUENCY (MHz)
AMPLITUDE (dBFS)
0
–20
–40
–60
–80
–120
–100
0 8.14.1 12.2 16.3 20.3 24.4 28.4 32.5
04418-022
AIN1 AND AIN2= –7.0dBFS
SFDR = 73.0dBc
IMD2 = 80.5dBc
IMD3 = 73.0dBc
Figure 22. Two-Tone 32k FFT with f
IN1
= 15 MHz and f
IN2
= 16 MHz,
f
SAMPLE
= 65 MSPS
FREQUENCY (MHz)
AMPLITUDE (dBFS)
0
–20
–40
–60
–80
–120
–100
0 8.14.1 12.2 16.3 20.3 24.4 28.4 32.5
04418-023
AIN1 AND AIN2= –7.0dBFS
SFDR = 68.5dBc
IMD2 = 77.0dBc
IMD3 = 68.5dBc
Figure 23. Two-Tone 32k FFT with f
IN1
= 69 MHz and f
IN2
= 70 MHz,
f
SAMPLE
= 65 MSPS
ANALOG INPUT LEVEL (dBFS)
SFDR (dB)
80
70
60
40
30
50
10
0
20
–60 –19 –10–28–36–44–52–56 –15–23–32–40–48 –7
04418-024
80 dB REFERENCE
2V p-p, SFDR (dBc)
1V p-p, SFDR (dBc)
Figure 24. Two-Tone SFDR vs. Analog Input Level, f
IN1
= 15 MHz and
f
IN2
= 16 MHz, f
SAMPLE
= 65 MSPS
ANALOG INPUT LEVEL (dBFS)
SFDR (dB)
80
70
60
40
30
50
10
0
20
–60 –19 –10–28–36–44–52–56 –15–23–32–40–48 –7
04418-025
80 dB REFERENCE
2V p-p, SFDR (dBc)
1V p-p, SFDR (dBc)
Figure 25. Two-Tone SFDR vs. Analog Input Level, f
IN1
= 69 MHz and
f
IN2
= 70 MHz, f
SAMPLE
= 65 MSPS
TEMPERATURE (°C)
SNR/SFDR (dB)
90
85
75
80
65
60
70
–40 60 8040200–20
04418-026
2V p-p, SFDR (dBc)
2V p-p, SINAD (dB)
1V p-p, SINAD (dB)
1V p-p, SFDR (dBc)
Figure 26. SINAD/SFDR vs. Temperature, f
IN
10.3 MHz, f
SAMPLE
= 65 MSPS