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AD6645ASQ-80 数据表(PDF) 11 Page - Analog Devices |
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AD6645ASQ-80 数据表(HTML) 11 Page - Analog Devices |
11 / 24 page AD6645 Rev. D | Page 11 of 24 FREQUENCY (MHz) –130 –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 ENCODE = 80MSPS AIN = 30.5MHz, 31.5MHz (–7dBFS) NO DITHER 5 0 10152025303540 Figure 16. Two-Tone SFDR @ 30.5 MHz and 31.5 MHz INPUT POWER LEVEL (F1 = F2 dBFS) 0 10 20 30 40 50 60 70 80 90 100 110 dBc dBFS SFDR = 90dB REFERENCE LINE ENCODE = 80MSPS F1 = 30.5MHz F2 = 31.5MHz –77 –67 –57 –47 –37 –27 –17 –7 Figure 17. Two-Tone SFDR @ 30.5 MHz and 31.5 MHz ENCODE FREQUENCY (MHz) 65 70 80 90 WORST SPUR @ AIN = 2.2MHz SNR @ AIN = 2.2MHz 75 85 95 100 15 30 45 60 75 90 105 Figure 18. SNR, Worst-Case Spurious vs. Encode @ 2.2 MHz FREQUENCY (MHz) –130 –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 ENCODE = 80MSPS AIN = 55.25MHz, 56.25MHz (–7dBFS) NO DITHER 5 0 101520 25303540 Figure 19. Two-Tone SFDR @ 55.25 MHz and 56.25 MHz INPUT POWER LEVEL (F1 = F2 dBFS) 0 10 20 30 40 50 60 70 80 90 100 110 dBc dBFS SFDR = 90dB REFERENCE LINE ENCODE = 80MSPS F1 = 55.25MHz F2 = 56.25MHz –77 –67 –57 –47 –37 –27 –17 –7 Figure 20. Two-Tone SFDR @ 55.25 MHz and 56.25 MHz ENCODE FREQUENCY (MHz) 65 70 80 90 WORST SPUR @ AIN = 69.1MHz SNR @ AIN = 69.1MHz 75 85 95 15 30 45 60 75 90 105 Figure 21. SNR, Worst-Case Spurious vs. Encode @ 69.1 MHz |
类似零件编号 - AD6645ASQ-80 |
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类似说明 - AD6645ASQ-80 |
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