Datasheet

−110
−90
−80
−70
−60
−50
−40
−30
−20
Frequency 2.55 MHz/div
Power (dBm)
f
OUT
= 70 MHz
W-CDMA Test Model 1 at 70 MHz
f
DAC
= 491.52 MSPS
−120
−100
ACPR = 68.7 dBc
ALT1 = 70.4 dBc
−110
−90
−80
−70
−60
−50
−40
−30
−20
Frequency 22.4 MHz/div
Power (dBm)
f
SYMBOL
= 112 MHz
256-QAM at Baseline
f
DAC
= 448 MSPS
Alpha = 0.12
−120
−100
= 30 kHz
RES
BW
−110
−90
−80
−70
−60
−50
−40
−30
−20
Frequency 22.4 MHz/div
Power (dBm)
f
SYMBOL
= 112 MHz
256-QAM at Baseline
f
DAC
= 448 MSPS
= 30 kHz
Alpha = 0.12
−120
−100
RES
BW
−110
−90
−80
−70
−60
−50
−40
−30
−20
Frequency 2.55 MHz/div
Power (dBm)
f
OUT
= 30 MHz
W-CDMA Test Model 1 at 30 MHz
f
DAC
= 491.52 MSPS
−120
−100
ACPR = 75.7 dBc
ALT1 = 76.2 dBc
−110
−90
−80
−70
−60
−50
−40
−30
−20
Frequency 2.55 MHz/div
Power (dBm)
f
ACPR = 68.4 dBc
ALT1 = 68.7 dBc
OUT
= 30 MHz
W-CDMA Test Model 1 at 30 MHz
f
DAC
= 491.52 MSPS
−120
−100
−110
−90
−80
−70
−60
−50
−40
−30
−20
Frequency 2.55 MHz/div
Power (dBm)
f
OUT
= 70 MHz
W-CDMA Test Model 1 at 70 MHz
f
DAC
= 491.52 MSPS
−120
−100
ACPR = 66.9 dBc
ALT1 = 67.4 dBc
DAC3152
DAC3162
SLAS736D –NOVEMBER 2010–REVISED AUGUST 2012 www.ti.com
Typical Characteristics (continued)
DVDD18 = CLKVDD18 = 1.8 V, AVDD33 = 3.3 V, f
DAC
= 500 MSPS, f
OUT
= 1 MHz, I
OUTfs
= 20 mA (unless otherwise noted)
Figure 25. DAC3152 30-MHz WCDMA vs Frequency Figure 26. DAC3152 70-MHz WCDMA vs Frequency
Figure 27. DAC3152 QAM vs Frequency Figure 28. DAC3162 30-MHz WCDMA vs Frequency
Figure 29. DAC3162 70-MHz WCDMA vs Frequency Figure 30. DAC3162 QAM vs Frequency
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