AD9433_15 Datasheet, PDF (8/20 Pages) Analog Devices – 12-Bit, 105 MSPS/125 MSPS, IF Sampling ADC

AD9433
TYPICAL PERFORMANCE CHARACTERISTICS
0
–10
SNR = 67.5dB
SFDR = 85dBFS
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
13.1
26.3
39.4
52.5
FREQUENCY (MHz)
Figure 4. FFT: fS = 105 MSPS, fIN = 49.3 MHz, Differential AIN @ −0.5 dBFS,
SFDR Mode Enabled
0
–10
SNR = 68dB
SFDR = 80dBFS
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
13.1
26.3
39.4
52.5
FREQUENCY (MHz)
Figure 5. FFT: fS = 105 MSPS, fIN = 49.3 MHz, Differential AIN @ −0.5 dBFS,
SFDR Mode Disabled
0
–10
SNR = 67.7dB
SFDR = 76dBFS
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
0
15.6
31.2
46.8
62.5
FREQUENCY (MHz)
Figure 6. FFT: fS = 125 MSPS, fIN = 49.3 MHz, Differential AIN @ −0.5 dBFS,
SFDR Mode Enabled
–95
–90
WORST OTHER
–85
–80
THIRD HARMONIC
–75
SECOND HARMONIC
–70
–65
–60
0
50
100
150
200
250
AIN (MHz)
Figure 7. Harmonics (Second, Third, Worst Other) vs. AIN Frequency,
AIN @ −0.5 dBFS, fS = 105 MSPS, SFDR Mode Enabled
68
11.1
67
10.9
66
10.8
SNR
65
10.6
64
10.4
SINAD
63
10.3
62
10.1
61
9.9
60
9.8
0
50
100
150
200
250
300
AIN (MHz)
Figure 8. SNR/SINAD and ENOB vs. AIN Frequency, Differential AIN @ −0.5 dBFS,
fS = 105 MSPS, SFDR Mode Disabled
100
95
THIRD HARMONIC (dBc)
90
85
80
SECOND HARMONIC (dBc)
75
70
SNR
65
SINAD
60
10
30
50
70
90
110
130
ENCODE (MSPS)
Figure 9. SNR/SINAD and Harmonic Distortion vs. Encode Frequency,
Differential AIN @ −0.5 dBFS
Rev. A | Page 8 of 20