Datasheet

4x Interpolation, 0 dBFS
f = 1228.8 MSPS
f = 70 MHz
DAC
OUT
G030
4x Interpolation, 0 dBFS
f = 1228.8 MSPS
f = 200 MHz
DAC
OUT
G029
4x Interpolation, 0 dBFS
f = 1228.8 MSPS
f = 70 MHz
DAC
OUT
G027
4x Interpolation, 0 dBFS
f = 1228.8 MSPS
f = 120 MHz
DAC
OUT
G028
55
60
65
70
75
80
85
0 100 200 300 400 500 600
Output Frequency (MHz)
ACLR (dBc)
PLL Disabled
PLL Enabled
G025
55
60
65
70
75
80
85
0 100 200 300 400 500 600
Output Frequency (MHz)
ACLR (dBc)
PLL Disabled
PLL Enabled
G026
DAC3484
www.ti.com SLAS749C –MARCH 2011–REVISED AUGUST 2012
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 25. SINGLE CARRIER WCDMA ACLR (ADJACENT) Figure 26. SINGLE CARRIER WCDMA ACLR (ALTERNATE)
vs OUTPUT FREQUENCY OVER CLOCKING OPTIONS vs OUTPUT FREQUENCY OVER CLOCKING OPTIONS
Figure 27. SINGLE CARRIER W-CDMA TEST MODEL 1 Figure 28. SINGLE CARRIER W-CDMA TEST MODEL 1
Figure 29. SINGLE CARRIER W-CDMA TEST MODEL 1 Figure 30. FOUR CARRIER W-CDMA TEST MODEL 1
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