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AD9761ARS Folha de dados(PDF) 8 Page - Analog Devices |
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AD9761ARS Folha de dados(HTML) 8 Page - Analog Devices |
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8 / 23 page ![]() AD9761 –8– REV. A 0 –10 –20 –30 –40 –50 –70 –60 –80 –90 START: 0Hz STOP: 40MHz –100 Figure 4. Single-Tone SFDR (DC to 2fDATA, fCLOCK = 2 fDATA) fOUT – MHz 75 70 60 65 2.0 4.0 10.0 S/E 0dBFS DIFF 0dBFS S/E –6dBFS DIFF –6dBFS 55 50 0 6.0 8.0 Figure 7. “Out-of-Band” SFDR vs. fOUT (fDATA/2 to 3/2 fDATA) fOUT – MHz 80 70 SFDR @ 10mA 65 2 75 60 55 0 SINAD @ 10mA SFDR @ 5mA SINAD @ 5mA SFDR @ 2.5mA SINAD @ 2.5mA 46 8 10 Figure 10. SINAD/SFDR vs. IOUTFS (DC to fDATA/2, Differential Output) Typical AC Characterization Curves @ +5 V Supplies (AVDD = +5 V, DVDD = +5 V, 50 Doubly Terminated Load, TA = +25 C, fCLOCK = 40 MSPS, unless otherwise noted, worst of I or Q output performance shown) fOUT – MHz 65 60 50 55 0 2.0 10.0 4.0 6.0 8.0 10.5 9.67 8.01 8.84 S/E 0dBFS DIFF 0dBFS S/E –6dBFS DIFF –6dBFS Figure 5. SINAD (ENOBs) vs. fOUT (DC to fDATA/2) AOUT – dBFS 80 75 60 65 –25 –20 –5 SFDR @ 40MSPS 55 50 –30 –15 –10 SINAD @ 40MSPS SFDR @ 20MSPS SINAD @ 20MSPS SFDR @ 10MSPS SINAD @ 10MSPS 70 45 40 35 –0 Figure 8. SINAD vs. AOUT (DC to fDATA/2, Differential Output) fOUT – MHz 80 70 SFDR @ 10mA 65 2 75 60 55 0 SINAD @ 10mA SFDR @ 5mA SINAD @ 5mA SFDR @ 2.5mA SINAD @ 2.5mA 46 8 10 Figure 11. SINAD/SFDR vs. IOUTFS (DC to fDATA/2, Single-Ended Output) fOUT – MHz 80 75 65 70 0 5.0 10.0 S/E 0dBFS DIFF 0dBFS S/E –6dBFS DIFF –6dBFS Figure 6. SFDR vs. fOUT (DC to fDATA/2) AOUT – dBFS 80 75 60 65 –25 –20 –5 SFDR @ 40MSPS 55 50 –30 –15 –10 SINAD @ 40MSPS SFDR @ 20MSPS SINAD @ 20MSPS SFDR @ 10MSPS SINAD @ 10MSPS 70 45 40 35 0 Figure 9. SINAD vs. AOUT (DC to fDATA/2, Single-Ended Output) –45 –65 –55 –75 –85 START: 0Hz STOP: 20MHz –105 –95 Figure 12. Wideband Spread- Spectrum Spectral Plot (DC to fDATA) |
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