Datasheet

REV. B
AD9764
–7–
Typical AC Characterization Curves
(AVDD = +5 V, DVDD = +3 V, I
OUTFS
= 20 mA, 50 ⍀ Doubly Terminated Load, Differential Output, T
A
= +25ⴗC, SFDR up to Nyquist, unless otherwise noted)
FREQUENCY – MHz
SFDR – dBc
90
85
40
0.1 1 10010
55
45
50
65
60
80
70
75
5 MSPS
25 MSPS
50 MSPS
100 MSPS
Figure 3. SFDR vs. f
OUT
@ 0 dBFS
FREQUENCY – MHz
SFDR – dBc
90
85
40
05 25
10 15 20
60
55
50
45
80
70
75
65
0dBFS
–6dBFS
–12dBFS
Figure 6. SFDR vs. f
OUT
@ 50 MSPS
A
OUT
– dBFS
SFDR – dBc
90
80
50
–30 –25 0–20 –15 –10 –5
70
60
455kHz @ 5 MSPS
2.27MHz @ 25 MSPS
4.55MHz @ 50 MSPS
9.09MHz @ 100 MSPS
Figure 9. Single-Tone SFDR vs. A
OUT
@ f
OUT
= f
CLOCK
/11
FREQUENCY – MHz
SFDR – dBc
90
85
40
0 0.5 2.5
1.0 1.5 2.0
60
55
50
45
80
70
75
65
0dBFS
–6dBFS
–12dBFS
Figure 4. SFDR vs. f
OUT
@ 5 MSPS
FREQUENCY – MHz
SFDR – dBc
90
85
40
010 5020 30 40
60
55
50
45
80
70
75
65
0dBFS
–6dBFS
–12dBFS
Figure 7. SFDR vs. f
OUT
@100 MSPS
A
OUT
– dBFS
SFDR – dBc
90
80
50
–30 –25 0–20 –15 –10 –5
70
60
1MHz @ 5 MSPS
5MHz @ 25 MSPS
10MHz @ 50 MSPS
20MHz @ 100 MSPS
Figure 10. Single-Tone SFDR vs.
A
OUT
@ f
OUT
= f
CLOCK
/5
FREQUENCY – MHz
SFDR – dBc
90
40
02 1246810
85
60
55
50
45
80
75
65
70
0dBFS
–6dBFS
–12dBFS
Figure 5. SFDR vs. f
OUT
@ 25 MSPS
FREQUENCY – MHz
90
85
50
0.0 2.0 10.0
4.0 6.0 8.0
70
65
60
55
80
75
5mA @ 3V
5mA @ 5V
10mA @ 3V
10mA @ 5V
20mA @ 3V
20mA @ 5V
SFDR – dBc
Figure 8. SFDR vs. f
OUT
and
I
OUTFS
@ 25 MSPS and 0 dBFS
A
OUT
– dBFS
SFDR – dBc
90
80
50
–30 –25 0
–20 –15 –10 –5
70
60
0.675/0.725MHz @ 5 MSPS
3.38/3.63MHz @ 25 MSPS
13.5/14.5MHz @ 100 MSPS
6.75/7.25 @ 50 MSPS
Figure 11. Dual-Tone SFDR vs. A
OUT
@ f
OUT
= f
CLOCK
/7