Datasheet

Data Sheet AD9748
Rev. B | Page 9 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
10mA
5mA
20mA
2.5mA
f
OUT
(MHz)
SINAD (dB)
55
50
45
40
35
30
1 10 100
03211-005
Figure 5. SINAD vs. I
OUTFS
@ 100 MSPS (Single-Ended Output)
f
OUT
(MHz)
SINAD (dB)
55
50
45
40
35
30
1 10 100
10mA
2.5mA
20mA
5mA
03211-006
Figure 6. SINAD vs. I
OUTFS
@ 165 MSPS (Single-Ended Output)
5mA
20mA
2.5mA
f
OUT
(MHz)
SINAD (dB)
55
50
45
40
35
30
1 10 100
10mA
03211-038
Figure 7. SINAD vs. I
OUTFS
@ 210 MSPS (Single-Ended Output)
f
OUT
(MHz)
SINAD/THD (dB)
80
75
60
65
70
50
45
55
40
1 10 100
SINAD@210MSPS
03211-039
SINAD@100MSPS
SINAD@50MSPS
SINAD@165MSPS
THD@50MSPS
THD@100MSPS
THD@210MSPS
THD@165MSPS
Figure 8. SINAD/THD vs. f
OUT
(Single-Ended Output)
f
OUT
(MHz)
SINAD/THD (dB)
80
75
60
65
70
50
45
55
40
1 10 100
SINAD@210MSPS
THD@210MSPS
03211-040
THD@165MSPS
THD@50MSPS
SINAD@165MSPS
SINAD@100MSPS
SINAD@50MSPS
THD@100MSPS
Figure 9. SINAD/THD vs. f
OUT
(Differential Output)
f
CLOCK
= 25MSPS
f
OUT
= 7.81MHz
SFDR = 65.0dBc
AMPLITUDE = 0dBFS
FREQUENCY (MHz)
MAGNITUDE (dBm)
0
–30
–20
–10
–50
–40
–90
–80
–70
–60
–100
0 2 4 6 8 10 12
03211-009
Figure 10. Single-Tone Spectral Plot @ 25 MSPS (Single-Ended Output)