Datasheet

AD9269
Rev. 0 | Page 15 of 40
AD9269-65
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
03252015105
AMPLITUDE (dBFS)
FREQUENCY (MHz)
08538-030
0
65MSPS
9.7MHz @ –1dBFS
SNR = 76.9dB (77.9dBFS)
SFDR = 95.9dBc
Figure 18. AD9269-65 Single-Tone FFT with f
IN
= 9.7 MHz
0
–140
–120
–100
–80
–60
–40
–20
03252015105
AMPLITUDE (dBFS)
FREQUENCY (MHz)
08538-032
0
65MSPS
69MHz @ –1dBFS
SNR = 75.5dB (76.5dBFS)
SFDR = 87.4dBc
Figure 19. AD9269-65 Single-Tone FFT with f
IN
= 69 MHz
0
–140
–120
–100
–80
–60
–40
–20
03252015105
AMPLITUDE (dBFS)
FREQUENCY (MHz)
08538-031
0
65MSPS
30.6MHz @ –1dBFS
SNR = 76.6dB (77.6dBFS)
SFDR = 89.9dBc
Figure 20. AD9269-65 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 (dBc/dBFS)
08538-060
SNR
SNRFS
SFDR
SFDRFS
Figure 21. AD9269-65 SNR/SFDR vs. Input Amplitude (AIN) with f
IN
= 9.7 MHz
100
90
80
70
60
50
40
30
20
10
0
0 50 100 150 200
INPUT FREQUENCY (MHz)
SNR/SFDR (dBFS/dBc)
SFDR (dBc)
SNR (dBFS)
08539-056
Figure 22. AD9269-65 SNR/SFDR vs. Input Frequency (AIN) with
2 V p-p Full Scale