Datasheet

AD9773
Rev. D | Page 12 of 60
TYPICAL PERFORMANCE CHARACTERISTICS
T = 25°C, AVDD = 3.3 V, CLKVDD = 3.3 V, DVDD = 3.3 V, I
OUTFS
= 20 mA, interpolation = 2×, differential transformer-coupled output,
50 Ω doubly terminated, unless otherwise noted.
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
10
AMPLITUDE (dBm)
FREQUENCY (MHz)
0 65 130
02857-006
Figure 6. Single-Tone Spectrum @ f
DATA
= 65 MSPS with f
OUT
= f
DATA
/3
50
55
60
65
70
75
SFDR (dBc)
80
85
90
FREQUENCY (MHz)
02010 30
–12dBFS
–6dBFS
0dBFS
02857-007
Figure 7. In-Band SFDR vs. f
OUT
@ f
DATA
= 65 MSPS
50
55
60
65
70
75
SFDR (dBc)
80
85
90
FREQUENCY (MHz)
02010 30
–12dBFS
–6dBFS
0dBFS
02857-008
Figure 8. Out-of-Band SFDR vs. f
OUT
@ f
DATA
= 65 MSPS
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
10
AMPLITUDE (dBm)
FREQUENCY (MHz)
0 10050 150
02857-009
Figure 9. Single-Tone Spectrum @ f
DATA
= 78 MSPS with f
OUT
= f
DATA
/3
50
55
60
65
70
75
SFDR (dBc)
80
85
90
FREQUENCY (MHz)
02010 30
–12dBFS
–6dBFS
0dBFS
02857-010
Figure 10. In-Band SFDR vs. f
OUT
@ f
DATA
= 78 MSPS
50
55
60
65
70
75
SFDR (dBc)
80
85
90
FREQUENCY (MHz)
02010 30
–12dBFS
–6dBFS
0dBFS
02857-011
Figure 11. Out-of-Band SFDR vs. f
OUT
@ f
DATA
= 78 MSPS