Datasheet

AD9754
–7–
REV. A
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)
f
OUT
– MHz
SFDR – dB
90
80
40
0.1 100110
60
70
5MSPS
25MSPS
65MSPS
50MSPS
125MSPS
50
Figure 3. SFDR vs. f
OUT
@ 0 dBFS
f
OUT
– MHz
SFDR – dBc
90
40
05 30
10 15 20
80
70
60
0dBFS
–6dBFS
–12dBFS
25
50
Figure 6. SFDR vs. f
OUT
@ 65 MSPS
A
OUT
– dBFS
SFDR – dB
90
40
85
75
80
70
65
55
60
50
45
–30 –25 0
–20 –15 –10 –5
455kHz
@5MSPS
2.27MHz
@25MSPS
59.1MHz
@65MSPS
11.37MHz
@125MSPS
Figure 9. Single-Tone SFDR vs. A
OUT
@ f
OUT
= f
CLOCK
/11
FREQUENCY – MHz
SFDR – dB
85
40
0.0 2.00.4 0.8 1.2 1.6
80
75
70
60
55
65
0dBFS
–6dBFS
–12dBFS
50
45
90
Figure 4. SFDR vs. f
OUT
@ 5 MSPS
f
OUT
– MHz
SFDR – dBc
90
40
010 50
20 30 40
80
70
60
0dBFS
–6dBFS
–12dBFS
50
60
Figure 7. SFDR vs. f
OUT
@125 MSPS
A
OUT
– dBFS
SFDR – dB
100
40
90
70
80
50
60
–30 –25 0
–20 –15 –10 –5
1MHz
@5MSPS
5MHz
@25MSPS
25MHz
@125MSPS
13MHz
@65MSPS
Figure 10. Single-Tone SFDR vs.
A
OUT
@ f
OUT
= f
CLOCK
/5
FREQUENCY – MHz
SFDR – dB
90
95
02
46810
80
75
70
60
55
65
0dBFS
–6dBFS
–12dBFS
50
45
85
Figure 5. SFDR vs. f
OUT
@ 25 MSPS
80
10mA FS
f
OUT
– MHz
SFDR – dBc
90
40
0
212
46810
60
50
70
20mA FS
5mA FS
Figure 8. SFDR vs. f
OUT
and
I
OUTFS
@ 25 MSPS and 0 dBFS
f
CLOCK
– MSPS
SNR– dB
85
60
0 40 14060 80 100 120
80
70
75
65
20
20mA FS
5mA FS
10mA FS
Figure 11. SNR vs. f
CLOCK
and I
OUTFS
@ f
OUT
= 2 MHz and 0 dBFS