AD9234 Datasheet, PDF (15/66 Pages) Analog Devices – 12-Bit, 1 GSPS/500 MSPS JESD204B, Dual Analog-to-Digital Converter

Data Sheet
0
A_IN = –1dBFS
SNR = 59.7dBFS
–20
ENOB = 9.6 BITS
SFDR = 80dBFS
BUFFER CURRENT = 7.0×
–40
–60
–80
–100
–120
0
100
200
300
400
500
FREQUENCY (MHz)
Figure 12. Single-Tone FFT with fIN = 1213.3 MHz
0
A_IN = –1dBFS
SNR = 58.8dBFS
–20 ENOB = 9.5 BITS
SFDR = 78dBFS
BUFFER CURRENT = 7.5×
–40
–60
–80
–100
–120
0
100
200
300
400
500
FREQUENCY (MHz)
Figure 13. Single-Tone FFT with fIN = 1413.3 MHz
90
SFDR (dBFS)
80
70
SNR (dBFS)
60
700 750 800 850 900 950 1000 1050 1100
SAMPLE RATE (MHz)
Figure 14. SNR/SFDR vs. Sample Rate (fS),
fIN = 170.3 MHz ; Buffer Current = 3.0×
AD9234
90
SFDR (dBFS)
80
70
SNR (dBFS)
60
10.3
85.3 128.3 180.3 242.3 309.3 361.3 420.3 480.3
INPUT FREQUENCY (MHz)
Figure 15. SNR/SFDR vs. Input Frequency (fIN); fIN < 500 MHz ;
Buffer Current = 3.5× (Uses Circuit Shown in Figure 63)
90
SFDR (dBFS)
80
70
SNR (dBFS)
60
50
453.3 629.3 737.3 837.3 937.3 1077.3 1177.3 1277.3 1377.3 1477.3
INPUT FREQUENCY (MHz)
Figure 16. SNR/SFDR vs. Input Frequency (fIN); 450 MHz < fIN < 1500 MHz;
Buffer Current = 7.5× (Uses Circuit Shown in Figure 64)
80
SFDR (dBFS)
70
60
SNR (dBFS)
50
1523.3 1587.3 1623.3 1687.3 1723.3 1787.3 1823.3 1887.3 1923.3 1987.3
INPUT FREQUENCY (MHz)
Figure 17. SNR/SFDR vs. Input Frequency (fIN); 1500 MHz < fIN < 2000 MHz;
Buffer Current = 8.5× (Uses Circuit Shown in Figure 64)
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