Datasheet

AD9269
Rev. 0 | Page 16 of 40
AD9269-40
AVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, 2 V p-p differential input, 1.0 V internal reference, AIN = −1.0 dBFS, DCS disabled,
unless otherwise noted.
0
–140
–120
–100
–80
–60
–40
–20
0 2 4 6 8 10 12 14 16 18 20
AMPLITUDE (dBFS)
FREQUENCY (MHz)
08538-028
40MSPS
9.7MHz @ –1dBFS
SNR = 76.9dB (77.9dBFS)
SFDR = 95.1dBc
Figure 23. AD9269-40 Single-Tone FFT with f
IN
= 9.7 MHz
0
–140
–120
–100
–80
–60
–40
–20
0 2 4 6 8 10 12 14 16 18 20
AMPLITUDE (dBFS)
FREQUENCY (MHz)
08538-029
40MSPS
30.6MHz @ –1dBFS
SNR = 76.6dB (77.6dBFS)
SFDR = 88.8dBc
Figure 24. AD9269-40 Single-Tone FFT with f
IN
= 30.6 MHz
120
0
20
40
60
80
100
–65 –60 0–10–20–30–40–50
INPUT AMPLITUDE (dBFS)
SNR/SFDR (dBFS/dBFS)
08538-059
SNR
SNRFS
SFDR
SFDRFS
Figure 25. AD9269-40 SNR/SFDR vs. Input Amplitude (AIN) with f
IN
= 9.7 MHz