Datasheet

REV. 0
AD9752
–7–
Typical AC Characterization Curves @ +5 V Supplies
(AVDD = +5 V, DVDD = +5 V, I
OUTFS
= 20 mA, 50 ⍀ Doubly Terminated Load, Differential Output, T
A
= +25ⴗC, SFDR up to Nyquist, unless otherwise noted)
f
OUT
– MHz
SFDR – dB
90
80
40
0
1 100
10
70
60
50
25MSPS
50MSPS
125MSPS
65MSPS
Figure 3. SFDR vs. f
OUT
@ 0 dBFS
f
OUT
– MHz
SFDR – dBc
90
80
40
0
530
20
70
60
50
10 15 25
–12dBFS
–6dBFS
0dBFS
Figure 6. SFDR vs. f
OUT
@ 65 MSPS
A
OUT
– dBFS
SFDR – dB
90
70
–30 –25
0
–10
80
–20 –15 –5
40
60
50
2.27MHz@25MSPS
4.55MHz@50MSPS
5.91MHz@65MSPS
11.36MHz@125MSPS
Figure 9. Single-Tone SFDR vs. A
OUT
@ f
OUT
= f
CLOCK
/11
SFDR – dB
90
80
40
0
214
12
70
60
50
46 810
–12dBFS
0dBFS
–6dBFS
f
OUT
– MHz
Figure 4. SFDR vs. f
OUT
@ 25 MSPS
SFDR – dB
90
80
40
0
10 60
40
70
60
50
20 30 50
–6dBFS
0dBFS
–12dBFS
f
OUT
– MHz
Figure 7. SFDR vs. f
OUT
@ 125 MSPS
A
OUT
– dBFS
SFDR – dB
90
70
–30 –25
0
–10
80
–20 –15 –5
40
60
50
5MHz@25MSPS
10MHz@50MSPS
13MHz@65MSPS
25MHz@125MSPS
Figure 10. Single-Tone SFDR vs.
A
OUT
@ f
OUT
= f
CLOCK
/5
f
OUT
– MHz
SFDR – dBc
90
80
40
05 25
10
70
60
50
15 20
–12dBFS
–6dBFS
0dBFS
Figure 5. SFDR vs. f
OUT
@ 50 MSPS
f
OUT
– MHz
SFDR – dBc
90
0
212
8
80
70
46 10
50
60
10mA FS
20mA FS
5mA FS
Figure 8. SFDR vs. f
OUT
and I
OUTFS
@ 25 MSPS and 0 dBFS
f
CLOCK
– MSPS
SNR – dB
0
20 120
80
80
40 60 100
60
70
50
20mA FS
10mA FS
5mA FS
Figure 11. SNR vs. f
CLOCK
and I
OUTFS
@ f
OUT
= 2 MHz and 0 dBFS