Datasheet

AD9628
Rev. 0 | Page 19 of 44
TYPICAL PERFORMANCE CHARACTERISTICS
AD9628-125
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 60
AMPLITUDE (dBFS)
FREQUENCY (MHz)
125MSPS
9.7MHz AT –1dBFS
SNR = 70.7dB (71.7dBFS)
SFDR = 92.3dBc
09976-022
Figure 9. Single-Tone FFT with f
IN
= 9.7 MHz
–120
–100
–80
–60
–40
–20
0
0 10 20 30 40 50 60
AMPLITUDE (dBFS)
FREQUENCY (MHz)
125MSPS
30.5MHz AT –1dBFS
SNR = 70.6dB (71.6dBFS)
SFDR = 84.5dBc
09976-023
Figure 10. Single-Tone FFT with f
IN
= 30.5 MHz
–120
–100
–80
–60
–40
–20
0
0 10 20 30 40 50 60
AMPLITUDE (dBFS)
FREQUENCY (MHz)
125MSPS
70.1MHz @-1dBFS
SNR = 70.4dB (71.4dBFS)
SFDR = 93.0dBc
09976-024
Figure 11. Single-Tone FFT with f
IN
= 70.1 MHz
–120
–100
–80
–60
–40
–20
0
0 10 20 30 40 50 60
AMPLITUDE (dBFS)
FREQUENCY (MHz)
125MSPS
100.5MHz @-1dBFS
SNR = 70.1dB (71.1dBFS)
SFDR = 91.6dBc
09976-025
Figure 12. Single-Tone FFT with f
IN
= 100.5 MHz
–120
–100
–80
–60
–40
–20
0
0 10 20 30 40 50 60
AMPLITUDE (dBFS)
FREQUENCY (MHz)
125MSPS
200.5MHz AT –1dBFS
SNR = 68.8dB (69.8dBFS)
SFDR = 85.0dBc
09976-026
Figure 13. Single-Tone FFT with f
IN
= 200.5 MHz