AD9764
Typical AC Characterization Curves
(AVDD = +5 V, DVDD = +3 V, I
OUTFS
= 20 mA, 50
90
85
80
75
SFDR – dBc
70
65
60
55
50
45
40
0.1
10
1
FREQUENCY – MHz
100
5 MSPS
25 MSPS
SFDR – dBc
50 MSPS
100 MSPS
Doubly Terminated Load, Differential Output, T
A
= +25 C, SFDR up to Nyquist, unless otherwise noted)
90
85
80
75
70
65
60
55
50
45
40
0
0.5
0dBFS
–6dBFS
90
85
80
75
SFDR – dBc
70
65
60
55
50
45
40
0dBFS
–6dBFS
–12dBFS
–12dBFS
1.0
1.5
2.0
FREQUENCY – MHz
2.5
0
2
4
6
8
FREQUENCY – MHz
10
12
Figure 3. SFDR vs. f
OUT
@ 0 dBFS
Figure 4. SFDR vs. f
OUT
@ 5 MSPS
Figure 5. SFDR vs. f
OUT
@ 25 MSPS
90
85
80
75
SFDR – dBc
70
65
60
55
50
45
40
0
5
10
15
20
FREQUENCY – MHz
25
0dBFS
–6dBFS
–12dBFS
SFDR – dBc
90
85
80
90
85
80
10mA @ 5V
20mA @ 5V
5mA @ 5V
75
SFDR – dBc
–6dBFS
70
65
60
55
50
45
40
0
10
20
30
40
FREQUENCY – MHz
50
55
50
0.0
2.0
0dBFS
–12dBFS
75
70
65
60
20mA @ 3V
5mA @ 3V
10mA @ 3V
4.0
6.0
8.0
FREQUENCY – MHz
10.0
Figure 6. SFDR vs. f
OUT
@ 50 MSPS
Figure 7. SFDR vs. f
OUT
@100 MSPS
Figure 8. SFDR vs. f
OUT
and
I
OUTFS
@ 25 MSPS and 0 dBFS
90
455kHz @ 5 MSPS
80
SFDR – dBc
2.27MHz @ 25 MSPS
SFDR – dBc
90
90
1MHz @ 5 MSPS
80
SFDR – dBc
80
3.38/3.63MHz @ 25 MSPS
0.675/0.725MHz @ 5 MSPS
5MHz @ 25 MSPS
70
70
70
60
9.09MHz @ 100 MSPS
4.55MHz @ 50 MSPS
60
20MHz @ 100 MSPS
10MHz @ 50 MSPS
60
13.5/14.5MHz @ 100 MSPS
6.75/7.25 @ 50 MSPS
–5
0
50
–30
–25
–20
–15
–10
A
OUT
– dBFS
–5
0
50
–30
–25
–20
–15
–10
A
OUT
– dBFS
–5
0
50
–30
–25
–20
–15
–10
A
OUT
– dBFS
Figure 9. Single-Tone SFDR vs. A
OUT
@ f
OUT
= f
CLOCK
/11
Figure 10. Single-Tone SFDR vs.
A
OUT
@ f
OUT
= f
CLOCK
/5
Figure 11. Dual-Tone SFDR vs. A
OUT
@ f
OUT
= f
CLOCK
/7
REV. B
–7–
AD [ ANALOG DEVICES ]
