Datasheet

Data Sheet AD9252
Rev. E | Page 15 of 52
10
20
30
40
50
60
70
80
90
–60 –50 –40 –30 –20 –10 0
ANALOG INPUT LEVEL (dBFS)
SNR/SFDR (dB)
SNR
SFDR
80dB REFERENCE
06296-041
Figure 21. SNR/SFDR vs. Analog Input Level, f
IN
= 10.3 MHz, f
SAMPLE
= 50 MSPS
10
20
30
40
50
60
70
80
90
–60 –50 –40 –30 –20 –10 0
ANALOG INPUT LEVEL (dBFS)
SNR/SFDR (dB)
SNR
SFDR
80dB REFERENCE
06296-042
Figure 22. SNR/SFDR vs. Analog Input Level, f
IN
= 19.7 MHz, f
SAMPLE
= 50 MSPS
–120
–100
–80
–60
–40
–20
0
0 5 10 15 20 25
FREQUENCY (MHz)
AMPLITUDE (dBFS)
AIN1 AND AIN2 = –7dBFS
SFDR = 86.27dB
IMD2 = 97.82dBc
IMD3 = 86.13dBc
06296-043
Figure 23. Two-Tone 32k FFT with f
IN1
= 15 MHz and
f
IN2
= 16 MHz, f
SAMPLE
= 50 MSPS
–120
–100
–80
–60
–40
–20
0
AMPLITUDE (dBFS)
AIN1 AND AIN2 = –7dBFS
SFDR = 83.64dB
IMD2 = 95.57dBc
IMD3 = 84.26dBc
0 5 10 15 20 25
FREQUENCY (MHz)
06296-044
Figure 24. Two-Tone 32k FFT with f
IN1
= 70 MHz and
f
IN2
= 71 MHz, f
SAMPLE
= 50 MSPS
60
65
70
75
80
85
90
1 10 100 1000
ANALOG INPUT FREQUENCY (MHz)
SNR/SFDR (dB)
SNR
SFDR
06296-045
Figure 25. SNR/SFDR vs. f
IN
, f
SAMPLE
= 50 MSPS
60
65
70
75
80
85
90
–40 –20 0 20 40 60 80
TEMPERATURE (°C)
SINAD/SFDR (dB)
SFDR
SINAD
06296-046
Figure 26. SINAD/SFDR vs. Temperature, f
IN
= 19.7 MHz, f
SAMPLE
= 50 MSPS