AD9760ARRL Datasheet, PDF (9/23 Pages) Analog Devices – 10-Bit, 125 MSPS TxDAC® D/A Converter

AD9760
Typical AC Characterization Curves @ +3 V Supplies
(AVDD = +3 V, DVDD = +3 V, I_OUTFS = 20 mA, 50 ⍀ Doubly Terminated Load, Differential Output, T_A = +25؇C, SFDR up to Nyquist, unless otherwise noted)
90
5MSPS
80
25MSPS
70
100MSPS
50MSPS
60
125MSPS
50
0.1
1
10
100
FREQUENCY – MHz
Figure 21. SFDR vs. f_OUT @ 0 dBFS
85
0dBFS
80
–6dBFS
75
70
–12dBFS
65
60
55
50
0.00
0.50 1.00 1.50 2.00 2.50
FREQUENCY – MHz
Figure 22. SFDR vs. f_OUT @ 5 MSPS
85
80
–6dBFS
75
70
–12dBFS
65
0dBFS
60
55
50
0.00
2.00 4.00 6.00 8.00 10.00 12.00
FREQUENCY – MHz
Figure 23. SFDR vs. f_OUT @ 25 MSPS
85
80
75
–6dBFS
–12dBFS
70
65
0dBFS
60
55
50
0.00
5.00 10.00 15.00 20.00 25.00
FREQUENCY – MHz
Figure 24. SFDR vs. f_OUT @ 50 MSPS
85
80
75
70
–6dBFS
–12dBFS
65
60
0dBFS
55
50
0.00
10.00 20.00 30.00 40.00 50.00
FREQUENCY – MHz
Figure 25. SFDR vs. f_OUT @ 100 MSPS
85
80
75
70 ^–6dBFS
65
–12dBFS
60
55 0dBFS
50
0.00 10.00 20.00 30.00 40.00 50.00 60.00
FREQUENCY – MHz
Figure 26. SFDR vs. f_OUT @ 125 MSPS
90
2.27MHz
@ 25MSPS
80
4.55MHz
@ 50MSPS
70
455kHz
@ 5MSPS
60
9.1MHz
@ 100MSPS
11.37MHz
@ 125MSPS
50
40
–30 –25 –20 –15 –10 –5
0
A_OUT – dBFS
Figure 27. Single-Tone SFDR vs. A_OUT
@ f_OUT = f_CLOCK/11
90
80
2.5MHz
70
@ 25MSPS
20MHz
@ 100MSPS
60
50
1MHz
@ 5MSPS
10MHz
@ 50MSPS
25MHz
@ 125MSPS
40
–30 –25 –20 –15 –10 –5
0
A_OUT – dBFS
Figure 28. Single-Tone SFDR vs.
A_OUT @ f_OUT = f_CLOCK/5
90
3.38/3.63MHz
@ 25MSPS
80
0.675/0.725MHz
@ 5MSPS
6.75/7.25MHz
70
@ 50MSPS
60
50
40
–30
13.5/14.5MHz
@ 100MSPS
16.9/18.1MHz
@ 125MSPS
–25 –20 –15 –10 –5
0
A_OUT – dBFS
Figure 29. Dual-Tone SFDR vs. A_OUT
@ f_OUT = f_CLOCK/7
REV. B
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