Datasheet

AD9648
Rev. 0 | Page 22 of 44
AD9648-105
AVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.0 V internal reference, and DCS enabled, unless
otherwise noted.
–120
–100
–80
–60
–40
–20
0
0 10 20 30 40 50
AMPLITUDE (dBFS)
FREQUENCY (MHz)
105MSPS
9.7MHz AT –1dBFS
SNR = 74.7dB (75.7dBFS)
SFDR = 98.7dBc
09975-014
Figure 23. Single-Tone FFT with f
IN
= 9.7 MHz
–120
–100
–80
–60
–40
–20
0
0 10 20 30 40 50
AMPLITUDE (dBFS)
FREQUENCY (MHz)
105MSPS
30.5MHz AT –1dBFS
SNR = 74.5dB (75.5dBFS)
SFDR = 89.9dBc
09975-015
Figure 24. Single-Tone FFT with f
IN
= 30.5 MHz
–120
–100
–80
–60
–40
–20
0
0 10 20 30 40 50
AMPLITUDE (dBFS)
FREQUENCY (MHz)
105MSPS
70.1MHz AT –1dBFS
SNR = 73.9dB (74.9dBFS)
SFDR = 94.9dBc
09975-013
Figure 25. Single-Tone FFT with f
IN
= 70.1 MHz
–120
–100
–80
–60
–40
–20
0
AMPLITUDE (dBFS)
FREQUENCY (MHz)
0 10 20 30 40 50
09975-016
105MSPS
100.5MHz AT –1dBFS
SNR = 73.4dB (74.4dBFS)
SFDR = 94.9dBc
Figure 26. Single-Tone FFT with f
IN
= 100.5 MHz
–120
–100
–80
–60
–40
–20
0
0 10 20 30 40 50
AMPLITUDE (dBFS)
FREQUENCY (MHz)
09975-017
105MSPS
200.5MHz AT –1dBFS
SNR = 69.5dB (70.5dBFS)
SFDR = 82.6dBc
Figure 27. Single-Tone FFT with f
IN
= 200.5 MHz