DAC38RF80_017 Datasheet, PDF (28/155 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

DAC38RF80, DAC38RF83, DAC38RF84
DAC38RF85, DAC38RF90, DAC38RF93
SLASEA3C – DECEMBER 2016 – REVISED JULY 2017
www.ti.com
Typical Characteristics (continued)
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
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 and CMP2
DAC38RF80/90/84
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 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 and CMP2
DAC38RF80/90/84
Figure 21. SFDR vs Output Frequency Over Output Current
I_outFS
80
75
70
65
60
55
50
On-chip PLL
45
External clock
40
35
500 1000 1500 2000 2500 3000 3500 4000 4500
Output Frequency (MHz)
D026
Excludes HD2, HD3 and CMP2
DAC38RF83/93/85
Figure 22. SFDR vs Output Frequency Over Output Current
I_outFS
80
75
On-chip PLL
External clock
70
65
60
55
50
45
40
35
500 1000 1500 2000 2500 3000 3500 4000 4500
Output Frequency (MHz)
D026
Excludes HD2, HD3 and CMP2
DAC38RF80/90/84
Figure 23. SFDR vs Output Frequency Over Clocking Option
Figure 24. SFDR vs Output Frequency Over Clocking Option
28
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DAC38RF83 DAC38RF93
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