DAC3282_10 Datasheet, PDF (17/51 Pages) Texas Instruments – 16-Bit, 625 MSPS, 2x Interpolating, Dual-Channel Digital-to-Analog Converter (DAC)

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DAC3282
SLAS646A – DECEMBER 2009 – REVISED FEBRUARY 2010
TYPICAL CHARACTERISTICS (continued)
Ref -18.8 dBm
* Att 15 dB
* RBW 30 kHz
* VBW 300 kHz
* SWT 10 s
-30
-40
A
-50
1 RM * -60
CLRWR _-70
-80
-90
-100
NOR
-110
-120
-130
Center 70 MHz
6.5 MHz/
Span 65 MHz
Tx Channel
Bandwidth
Adjacent Channel
Bandwidth
Spacing
2x Interpolation, 0 dBFS,
f_DAC = 491.52 MSPS,
f_OUT = 70 MHz
20 MHz
20 MHz
20 MHz
Power
Lower
Upper
EXT
-7.17 dBm
-65.69 dB
-67.79 dB
Figure 25. 20MHz Single Carrier LTE, f_OUT = 70 MHz
Ref -18 dBm
* Att 10 dB
* RBW 30 kHz
* VBW 300 kHz
* SWT 10 s
-30
-40
-50
1 RM * -60
CLRWR _-70
-80
-90
-100
-110
-120
-130
Center 153.6 MHz
Tx Channel
Bandwidth
Adjacent Channel
Bandwidth
Spacing
2x Interpolation, 0 dBFS,
f_DAC = 491.52 MSPS,
f_OUT = 153.6 MHz
20 MHz
20 MHz
20 MHz
6.5 MHz/
Power
Lower
Upper
A
NOR
Span 65 MHz
EXT
-8.23 dBm
-65.14 dB
-64.96 dB
Figure 26. 20MHz Single Carrier LTE, f_OUT = 153.6 MHz
1000
300
900
2x+coarse_mix
800
2x+invsinc
2x
700
1x+invsinc
600
1x
500
400
0
50 100 150 200 250 300 350
f_DATA - MSPS
Figure 27. Power vs f_DATA
250
2x+coarse_mix
200
2x+invsinc
150
2x
1x+invsinc
100
1x
50
0
0
50 100 150 200 250 300 350
f_DATA - MSPS
Figure 28. DVDD18 vs f_DATA
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