DAC39J84_15 Datasheet, PDF (25/146 Pages) Texas Instruments – DAC39J84 Quad-Channel, 16-Bit, 2.8 GSPS, Digital-to-Analog Converter with 12.5 Gbps JESD204B Interface

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DAC39J84
SLASE48A – NOVEMBER 2014 – REVISED JANUARY 2015
Typical Characteristics (continued)
Unless otherwise noted, all plots are at T_A = 25°C, VDDDAC09, VDDCLK09, VDDDIG09 and VDDT09 are at 0.9V, other
supplies are at nominal supply voltages, f_DAC = 2800MSPS, 4x interpolation, 0dBFS digital input, 20mA full scale output
current with 2:1 transformer, LMF = 841 and PLL is disabled.
Ref -16.3 dBm
-20
-30
-40
1 RM * -50
CLRWR _-60
-70
-80
-90
-100
-110
Center 70.1 MHz
* Att 5 dB
* RBW 30 kHz
* VBW 300 kHz
* SWT 2 s
2.55 MHz/
B
NOR
3DB
Span 25.5 MHz
Ref -16.3 dBm
-20
-30
-40
1 RM * -50
CLRWR _-60
-70
-80
-90
-100
-110
Center 150 MHz
* Att 5 dB
* RBW 30 kHz
* VBW 300 kHz
* SWT 2 s
2.55 MHz/
B
NOR
3DB
Span 25.5 MHz
Tx Channel
Bandwidth
3.84 MHz
Power
W-CDMA 3GPP FWD
-10.79 dBm
Tx Channel
Bandwidth
3.84 MHz
Power
W-CDMA 3GPP FWD
-10.92 dBm
Adjacent Channel
Bandwidth
Spacing
3.84 MHz
5 MHz
Lower
Upper
-82.89 dB
-83.59 dB
Adjacent Channel
Bandwidth
Spacing
3.84 MHz
5 MHz
Lower
Upper
-82.24 dB
-82.61 dB
Alternate Channel
Bandwidth
Spacing
3.84 MHz
10 MHz
IF = 70MHz, f_DAC=2457.6MSPS
Lower
Upper
-85.66 dB
-86.87 dB
Alternate Channel
Bandwidth
Spacing
3.84 MHz
10 MHz
IF = 150MHz, f_DAC=2457.6MSPS
Lower
Upper
-85.70 dB
-85.06 dB
Figure 43. Single Carrier W-CDMA Test Mode 1
Ref -16.3 dBm
-20
-30
-40
1 RM * -50
CLRWR _-60
-70
-80
-90
-100
-110
Center 230 MHz
Tx Channel
Bandwidth
* Att 5 dB
* RBW 30 kHz
* VBW 300 kHz
* SWT 2 s
2.55 MHz/
3.84 MHz
Power
Adjacent Channel
Bandwidth
Spacing
3.84 MHz
5 MHz
Lower
Upper
Alternate Channel
Bandwidth
Spacing
3.84 MHz
10 MHz
IF = 230MHz, f_DAC=2457.6MSPS
Lower
Upper
B
NOR
3DB
Span 25.5 MHz
W-CDMA 3GPP FWD
-11.09 dBm
-78.57 dB
-78.36 dB
-83.46 dB
-82.49 dB
Figure 45. Single Carrier W-CDMA Test Mode 1
Ref -22.1 dBm
* Att 5 dB
* RBW 30 kHz
* VBW 300 kHz
* SWT 2 s
-30
-40
1 RM *
CLRWR
-50
-60
-70
-80
-90
-100
-110
-120
Center 150 MHz
4.08 MHz/
A
NOR
3DB
Span 40.8 MHz
Standard: W-CDMA 3GPP FWD
Tx Channels
Ch1 (Ref)
Ch2
Ch3
-18.36 dBm
-18.37 dBm
-18.45 dBm
Adjacent Channel
Lower
-76.87 dB
Upper
-77.25 dB
Alternate Channel
Lower
-77.28 dB
Upper
-76.71 dB
Ch4
-18.35 dBm
Figure 44. Single Carrier W-CDMA Test Mode 1
Ref -22.4 dBm
* Att 5 dB
* RBW 30 kHz
* VBW 300 kHz
* SWT 2 s
-30
-40
1 RM *
CLRWR
-50
-60
-70
-80
-90
-100
-110
-120
Center 70 MHz
4.08 MHz/
A
NOR
3DB
Span 40.8 MHz
Standard: W-CDMA 3GPP FWD
Tx Channels
Ch1 (Ref)
Ch2
Ch3
-18.14 dBm
-18.13 dBm
-18.21 dBm
Adjacent Channel
Lower
-77.45 dB
Upper
-77.26 dB
Alternate Channel
Lower
-78.55 dB
Upper
-77.12 dB
Ch4
-18.11 dBm
Total
-12.13 dBm
IF = 70MHz, f_DAC=2457.6MSPS
Figure 46. Four Carrier W-CDMA Test Mode 1
Ref -22.3 dBm
* Att 5 dB
* RBW 30 kHz
* VBW 300 kHz
* SWT 2 s
-30
-40
1 RM *
CLRWR
-50
-60
-70
-80
-90
-100
-110
-120
Center 230 MHz
4.08 MHz/
A
NOR
3DB
Span 40.8 MHz
Standard: W-CDMA 3GPP FWD
Tx Channels
Ch1 (Ref)
Ch2
Ch3
-18.54 dBm
-18.49 dBm
-18.61 dBm
Adjacent Channel
Lower
-74.07 dB
Upper
-74.32 dB
Alternate Channel
Lower
-74.90 dB
Upper
-74.93 dB
Ch4
-18.58 dBm
Total
-12.36 dBm
IF = 150MHz, f_DAC=2457.6MSPS
Figure 47. Four Carrier W-CDMA Test Mode 1
Total
-12.54 dBm
IF = 230MHz, f_DAC=2457.6MSPS
Figure 48. Four Carrier W-CDMA Test Mode 1
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