DAC38J82_15 Datasheet, PDF (21/119 Pages) Texas Instruments – DAC3xJ82 Dual-Channel, 16-Bit, 1.6/2.5 GSPS, Digital-to-Analog Converters with 12.5 Gbps JESD204B Interface

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DAC37J82, DAC38J82
SLASE16B – JANUARY 2014 – REVISED MAY 2014
Typical Characteristics (continued)
Unless otherwise noted, all plots are at T_A = 25°C, nominal supply voltages, f_DAC = 2460MSPS, 2x interpolation, 0dBFS digital
input, 20mA full scale output current with 2:1 transformer, LMF = 421 and PLL is disabled.
Ref -16.5 dBm
* Att
-20
POS -16.4 56 dBm
-30
-40
1 RM * -50
CL RW R _-60
-70
5 dB
-80
-90
-100
-110
Center 70 MHz
Tx Ch annel
Bandw idth
3.84 M Hz
Adjac ent Ch annel
Bandw idth
Spaci ng
3.84 M Hz
5 M Hz
Alter nate C hanne l
Bandw idth
Spaci ng
IF = 70MHz
3.84 M Hz
10 M Hz
* RBW 30 kHz
* VBW 300 kHz
* SWT 2 s
2.55 MHz/
W-CDM A 3GPP FWD
Powe r
Lowe r
Uppe r
Lowe r
Uppe r
B
N OR
Span 25.5 MHz
E XT
-10.58 dBm
-81.01 dB
-80.89 dB
-85.82 dB
-85.33 dB
Ref -16.1 dBm
* Att 5 dB
-20
POS -16.0 98 dBm
-30
-40
1 RM * -50
CL RW R _-60
-70
-80
-90
-100
-110
Center 150 MHz
Tx Ch annel
Bandw idth
3.84 M Hz
Adjac ent Ch annel
Bandw idth
Spaci ng
3.84 M Hz
5 M Hz
Alter nate C hanne l
Bandw idth
Spaci ng
IF = 150MHz
3.84 M Hz
10 M Hz
* RBW 30 kHz
* VBW 300 kHz
* SWT 2 s
2.55 MHz/
W-CDM A 3GPP FWD
Powe r
Lowe r
Uppe r
Lowe r
Uppe r
B
N OR
Span 25.5 MHz
E XT
-10.68 dBm
-79.96 dB
-79.86 dB
-83.46 dB
-84.31 dB
Figure 43. Single Carrier W-CDMA Test Mode 1
Ref -16.3 dBm
* Att
-20
POS -16.3 29 dBm
-30
5 dB
-40
1 RM * -50
CL RW R _-60
-70
-80
-90
-100
-110
Center 230 MHz
Tx Ch annel
Bandw idth
3.84 M Hz
Adjac ent Ch annel
Bandw idth
Spaci ng
3.84 M Hz
5 M Hz
Alter nate C hanne l
Bandw idth
Spaci ng
IF = 230MHz
3.84 M Hz
10 M Hz
* RBW 30 kHz
* VBW 300 kHz
* SWT 2 s
2.55 MHz/
W-CDM A 3GPP FWD
Powe r
Lowe r
Uppe r
Lowe r
Uppe r
B
N OR
Span 25.5 MHz
E XT
-11.04 dBm
-77.52 dB
-76.69 dB
-83.23 dB
-82.91 dB
Figure 44. Single Carrier W-CDMA Test Mode 1
Ref -21.9 dBm
* Att 5 dB
* RBW 30 kHz
* VBW 300 kHz
* SWT 2 s
-30
-40
-50
1 RM *
CL RW R ^-60
-70
-80
-90
-100
-110
-120
Center 70 MHz
4.06 MHz/
A
N OR
Span 40.6 MHz
Stand ard: W -CDMA 3GPP FWD
Tx Ch annels
C h 1 (Ref)
Ch2
-18.02 dBm
-17.95 dBm
Adja cent Channe l
E XT
Lower
-76.63 dB
Upper
-76.46 dB
Alte rnate Chann el
Lower
-76.73 dB
Ch3
-18.02 dBm
Upper
-76.91 dB
Ch4
-17.90 dBm
Tota l
-11.95 dBm
IF = 70MHz
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
A
-50
1 RM *
-60
CL RW R
-70
-80
-90
-100
-110
-120
Center 150 MHz
4.06 MHz/
N OR
Span 40.6 MHz
Stand ard: W -CDMA 3GPP FWD
Tx Ch annels
C h 1 (Ref)
Ch2
Ch3
-18.18 dBm
-18.14 dBm
-18.23 dBm
Adja cent Channe l
E XT
Lower
-75.01 dB
Upper
-75.29 dB
Alte rnate Chann el
Lower
Upper
-75.78 dB
-75.76 dB
Ch4
-18.16 dBm
Tota l
-12.16 dBm
IF = 150MHz
Figure 47. Four Carrier W-CDMA Test Mode 1
Figure 46. Four Carrier W-CDMA Test Mode 1
Ref -22.1 dBm
* Att 5 dB
* RBW 30 kHz
* VBW 300 kHz
* SWT 2 s
-30
-40
A
-50
1 RM *
-60
CL RW R
-70
-80
-90
-100
-110
-120
Center 230 MHz
4.06 MHz/
N OR
Span 40.6 MHz
Stand ard: W -CDMA 3GPP FWD
Tx Ch annels
C h 1 (Ref)
Ch2
-18.27 dBm
-18.32 dBm
Adja cent Channe l
E XT
Lower
-72.19 dB
Upper
-72.77 dB
Alte rnate Chann el
Lower
-73.93 dB
Ch3
-18.46 dBm
Upper
-74.44 dB
Ch4
-18.37 dBm
Tota l
-12.33 dBm
IF = 230MHz
Figure 48. Four Carrier W-CDMA Test Mode 1
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