Datasheet

−90
−80
−70
−60
−50
−40
−30
−20
−10
0
10
0 100 200 300 400 500 600
Frequency (MHz)
Power (dBm)
f
DAC
= 1250 MSPS
f
OUT
= 150 MHz
G011
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
10
10 110 210 310 410 510 610
Frequency (MHz)
Power (dBm)
f
DAC
= 1250 MSPS
f
OUT
= 200 MHz
G012
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
10
0 100 200 300 400 500 600
Frequency (MHz)
Power (dBm)
NCO Bypassed
QMC Bypassed
f
DAC
= 1250 MSPS
f
OUT
= 20 MHz
G009
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
10
0 100 200 300 400 500 600
Frequency (MHz)
Power (dBm)
NCO Bypassed
QMC Bypassed
f
DAC
= 1250 MSPS
f
OUT
= 70 MHz
G010
30
40
50
60
70
80
90
100
0 100 200 300 400 500 600
Output Frequency (MHz)
SFDR (dBc)
f
DAC
= 600 MSPS
f
DAC
= 800 MSPS
f
DAC
= 1000 MSPS
f
DAC
= 1250 MSPS
G007
30
40
50
60
70
80
90
100
0 50 100 150 200 250 300 350 400
Output Frequency (MHz)
SFDR (dBc)
I
OUT
FS = 10 mA w/ 4:1 Transformer
I
OUT
FS = 20 mA w/ 4:1 Transformer
I
OUT
FS = 30 mA w/ 2:1 Transformer
G008
DAC3484
SLAS749C –MARCH 2011–REVISED AUGUST 2012 www.ti.com
TYPICAL CHARACTERISTICS (continued)
All plots are at 25°C, nominal supply voltage, f
DAC
= 1250 MSPS, 4x interpolation, NCO enabled, Mixer Gain disabled, QMC
enabled with gain set at 1446 for both I/Q channels, 0 dBFS digital input, 20 mA full-scale output current with 4:1 transformer
(unless otherwise noted)
Figure 7. SFDR vs OUTPUT FREQUENCY OVER f
DAC
Figure 8. SFDR vs OUTPUT FREQUENCY OVER I
OUTFS
Figure 9. SINGLE TONE SPECTRAL PLOT Figure 10. SINGLE TONE SPECTRAL PLOT
Figure 11. SINGLE TONE SPECTRAL PLOT Figure 12. SINGLE TONE SPECTRAL PLOT
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