Datasheet

AD9433
Rev. A | Page 11 of 20
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0 7.5 15.0 22.5 30.0 37.5 45.0 52.5
AMPLITUDE (dBFS)
977-027
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0 7.5 15.0 22.5 30.0 37.5 45.0 52.5
FREQUENCY (MHz)
AMPLITUDE (dBFS)
01977-029
IMD3 = 85dBc
SNR = 66.8dB
SFDR = 83dBFS
FREQUENCY (MHz)
01
Figure 22. FFT: f
S
= 105 MSPS, f
IN
= 70.3 MHz, Differential AIN @ −0.5 dBFS,
SFDR Mode Enabled
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0 7.5 15.0 22.5 30.0 37.5 45.0 52.5
AMPLITUDE (dBFS)
7-030
FREQUENCY (MHz)
0197
SNR = 67dB
SFDR = 80dBFS
Figure 23. FFT: f
S
= 105 MSPS, f
IN
= 70.3 MHz, Differential AIN @ −0.5 dBFS,
SFDR Mode Disabled
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
AMPLITUDE (dBFS)
–110
–120
0 6.2 12.5 18.7 25.0 31.2 37.5 43.7 50.0 56.2 62.5
FREQUENCY (MHz)
01977-028
SNR = 65.5dB
SFDR = 78dBFS
Figure 24. FFT: f
S
= 125 MSPS, f
IN
= 70.3 MHz, Differential AIN @ −0.5 dBFS,
SFDR Mode Enabled
Figure 25. FFT: f
S
= 105 MSPS, f
IN
= 69.3 MHz and 70.3 MHz,
Differential AIN @ −7 dBFS for Each Tone, SFDR Mode Enabled
110
100
90
80
70
60
50
40
30
20
10
0
–90 –80 –70 –60 –50 –40 –30 –20 –10 0
AIN LEVEL (dBFS)
SNR/SFDR (dB)
01977-031
SFDR (dBFS)
SNR (dBFS)
SFDR (dBc)
80dBFS REFERENCE LINE
f
S
= 105MSPS
f
IN
= 70.3MHz
DIFFERENTIAL AIN
SFDR ENABLED
Figure 26. SNR and SFDR vs. AIN Level, f
S
= 105 MSPS, f
IN
= 70.3 MHz,
Differential AIN, SFDR Mode Enabled
–
110
–100
–90
–80
–70
–60
–50
–90 –80 –70 –60 –50 –40 –30 –20 –10 0
THIRD-ORDER IMD (dBFS)
977-032
AIN LEVEL (dBFS)
01
Figure 27. Third-Order IMD vs. AIN Level, f
S
= 105 MSPS, f
IN
= 70.3 MHz
and 69.3 MHz, Differential AIN, SFDR Mode Enabled