DAC5688_10 Datasheet, PDF (10/55 Pages) Texas Instruments – DUAL-CHANNEL, 16-BIT, 800 MSPS, 2x-8x INTERPOLATING DIGITAL-TO-ANALOG CONVERTER (DAC)

DAC5688
SLLS880B – DECEMBER 2007 – REVISED MAY 2010
TYPICAL CHARACTERISTICS (continued)
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Fdata = 200 MSPS
F_IN = 10.1 MHz, Sweep FMIX
x4 Interpolation
PLL off
60
Figure 5. In-Band SFDR vs. Intermediate Frequency
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100
Fdata = 200 MSPS
IF = F_NCO
x4 Interpolation, PLL off
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-6 dBFS
90
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0 dBFS
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0
50 100 150 200 250 300 350
f_i - Input Frequency - MHz
Figure 7. Two Tone IMD vs Intermediate Frequency
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50
0
50 100 150 200 250 300 350
F_OUT (MHz)
Figure 6. Out-Of-Band SFDR vs Intermediate Frequency
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-10
-20
-30
-40
-50
-60
-70
-80
-90
-100 ₁₈
Fdata = 200 MSPS, IQ
F_IN = 20 MHz ±0.5 MHz
IF = 20 MHz
x4 Interpolation
PLL off
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IF - MHz
Figure 8. Two Tone IMD Spectral Plot
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