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DAC38RF80_17 Datasheet, PDF (25/155 Pages) Texas Instruments – Dual- or Single-Channel, Single-Ended or Differential-Output, 14-bit, 9-GSPS, RF-Sampling DAC with JESD204B Interface and On-Chip PLL
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DAC38RF80, DAC38RF83, DAC38RF84
DAC38RF85, DAC38RF90, DAC38RF93
SLASEA3A – DECEMBER 2016 – REVISED FEBRUARY 2017
Typical Characteristics (continued)
Unless otherwise noted, all plots are at TA = 25°C, nominal supply voltages, fDAC = 8847.36MSPS, 12x interpolation, 0dBFS
digital input, 40 mA full scale output current (with 2:1 transformer in DAC38RF83/93/85 only), LMFSHd = 84111 and PLL is
disabled.
80
80
75
75
70
70
65
65
60
60
55
55
50
50
45
On-chip PLL
45
On-chip PLL
40
External clock
40
External clock
35
500
1000
1500 2000 2500 3000 3500 4000 4500
Output Frequency (MHz)
D014
DAC38RF83/93/85
35
500
1000
1500 2000 2500 3000 3500 4000 4500
Output Frequency (MHz)
D015
DAC38RF80/90/84
Figure 17. HD3 vs Output Frequency Over Clocking Option
Figure 18. HD3 vs Output Frequency Over Clocking Option
80
75
70
65
60
55
50
45
-12dBFS
-6dBFS
40
0dBFS
35
500 1000 1500 2000 2500 3000 3500 4000 4500
Output Frequency (MHz)
D03021
Excludes HD2, HD3 and CMP2
DAC38RF83/93/85
Figure 19. SFDR vs Output Frequency Over Input Scale
80
75
70
65
60
55
50
Iout=10mA
Iout=20mA
45
Iout=30mA
Iout=40mA
40
35
500 1000 1500 2000 2500 3000 3500 4000 4500
Output Frequency (MHz)
D022
Excludes HD2, HD3 and CMP2
DAC38RF83/93/85
Figure 21. SFDR vs Output Frequency Over Output Current
IoutFS
80
75
-12dBFS
-6dBFS
70
0dBFS
65
60
55
50
45
40
35
500 1000 1500 2000 2500 3000 3500 4000 4500
Output Frequency (MHz)
D03021
Excludes HD2, HD3
DAC38RF80/90/84
and CMP2
Figure 20. SFDR vs Output Frequency Over Input Scale
80
Iout=10mA
75
Iout=20mA
70
Iout=30mA
Iout=40mA
65
60
55
50
45
40
35
500 1000 1500 2000 2500 3000 3500 4000 4500
Output Frequency (MHz)
D022
Excludes HD2, HD3
DAC38RF80/90/84
and CMP2
Figure 22. SFDR vs Output Frequency Over Output Current
IoutFS
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DAC38RF83 DAC38RF93
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