Datasheet

AD9726
Rev. B | Page 12 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
50
60
70
80
90
100
SFDR (dBc)
04540-007
01224364860728496 132120108 144
f
OUT
(MHz)
–6dB
0dB
–3dB
Figure 8. SFDR vs. f
OUT
at 400 MSPS
50
60
70
80
90
100
SFDR (dBc)
04540-008
0122436486072
f
OUT
(MHz)
–6dB
0dB
–3dB
Figure 9. SFDR vs. f
OUT
at 200 MSPS
IMD (dBc)
50
60
80
70
90
100
80 90 100 120 13030 40 50 60 7020 110 140
f
OUT
(MHz)
04540-009
f1 + f2 = 0dB
Figure 10. Two-Tone IMD vs. f
OUT
at 400 MSPS
POWER CONSUMPTION (mW)
550
560
580
570
590
600
620
610
630
100500 150 200
f
OUT
(MHz)
04540-006
SDR
DDR
Figure 11. Power Consumption vs. f
OUT
at 400 MSPS
A
1AP
EXT
0
–10
–20
–30
–40
–60
–50
–70
–90
–80
100
120
110
1AVG
STOP 7.5MHz675kHzSTART 750kHz
REF LVL
0dBm
40dB
dBm
RF ATT
UNIT
1kHz
1kHz
17s
RBW
VBW
SWT
04540-018
Figure 12. THD at 400 MSPS and f
OUT
= 1 MHz (Diplexer Low-Pass Output
Showing 0 dBm Fundamental (See the Performance Effects of Calibration
Section))
A
1AP
EXT
0
–10
–20
–30
–40
–60
–50
–70
–90
–80
100
120
110
1AVG
STOP 7.5MHz675kHzSTART 750kHz
REF LVL
0dBm
10dB
dBm
RF ATT
UNIT
1kHz
1kHz
17s
RBW
VBW
SWT
04540-019
Figure 13. THD at 400 MSPS and f
OUT
= 1 MHz
(Diplexer High-Pass Output Showing Harmonics Before Calibration;
(See the Performance Effects of Calibration Section))