Datasheet

AD9608
Rev. 0 | Page 17 of 40
TYPICAL PERFORMANCE CHARACTERISTICS
AD9608-125
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.
0
–20
–40
–60
–80
–100
–120
06010 20 30 40 50
AMPLITUDE (dBFS)
FREQUENCY (MHz)
125MSPS
9.7MHZ AT –1dBFS
SNR = 60.6dB (61.6dBFS)
SFDR = 85.4dBC
09977-009
Figure 9. Single-Tone FFT with f
IN
= 9.7 MHz
0
–20
–40
–60
–80
–100
–120
0610 20 30 40 50
AMPLITUDE (dBFS)
FREQUENCY (MHz)
0
125MSPS
30.5MHz AT –1dBFS
SNR = 60.7dB (61.7dBFS)
SFDR = 86.3dBc
09977-010
Figure 10. Single-Tone FFT with f
IN
= 30.5 MHz
0
–20
–40
–60
–80
–100
–120
0610 20 30 40 50
AMPLITUDE (dBFS)
FREQUENCY (MHz)
0
125MSPS
70.1MHz AT –1dBFS
SNR = 60.7dB (61.7dBFS)
SFDR = 86.5dBc
09977-011
Figure 11. Single-Tone FFT with f
IN
= 70.1 MHz
0
–20
–40
–60
–80
–100
–120
0610 20 30 40 50
AMPLITUDE (dBFS)
FREQUENCY (MHz)
0
125MSPS
100.5MHz AT –1dBFS
SNR = 60.6dB (61.6dBFS)
SFDR = 85.2dBc
09977-012
Figure 12. Single-Tone FFT with f
IN
= 100.5 MHz
0
–20
–40
–60
–80
–100
–120
0610 20 30 40 50
AMPLITUDE (dBFS)
FREQUENCY (MHz)
0
125MSPS
200.5MHz AT –1dBFS
SNR = 60.3dB (61.3dBFS)
SFDR = 83.0dBc
09977-013
Figure 13. Single-Tone FFT with f
IN
= 200.5 MHz