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AD9433 数据表(PDF) 9 Page - Analog Devices |
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AD9433 数据表(HTML) 9 Page - Analog Devices |
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9 / 20 page ![]() AD9433 Rev. A | Page 9 of 0 –10 –20 –30 –40 –50 –60 –70 –80 –90 –100 –110 –120 0 7.5 15.0 22.5 30.0 37.5 45.0 52.5 20 FREQUENCY (MHz) IMD3 = 92dBFS Figure 10. FFT: fS = 105 MSPS, fIN = 49.3 MHz and 50.3 MHz, Differential AIN @ −7 dBFS for Each Tone, SFDR Mode Enabled 110 100 90 80 70 60 50 40 30 20 10 0 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 AIN LEVEL (dBFS) SFDR (dBFS) 90dBFS REFERENCE SNR (dBFS) SFDR (dBc) Figure 11. SNR and SFDR vs. AIN Level, fS = 105 MSPS, fIN = 49.3 MHz, Differential AIN, SFDR Mode Enabled 110 100 90 80 70 60 50 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 AIN LEVEL (dBFS) Figure 12. Third-Order IMD vs. AIN Level, fS = 105 MSPS, fIN = 49.3 MHz and 50.3 MHz, Differential AIN, SFDR Mode Enabled 69 67 65 63 61 59 57 55 10.3 49.3 80.3 170.3 250.3 AIN (MHz) 8.9 9.6 9.9 10.3 10.6 10.9 11.3 9.3 SNR SINAD Figure 13. SNR/SINAD and ENOB vs. AIN Frequency, Differential AIN @ −0.5 dBFS, fS = 125 MSPS, SFDR Mode Enabled 100 90 80 70 60 50 40 30 20 10 0 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2 4.3 4.4 4.5 AIN COMMON-MODE VOLTAGE (V) THIRD HARMONIC SECOND HARMONIC SNR Figure 14. Dynamic Performance vs. AIN Common-Mode Voltage, Differential AIN @ −0.5 dBFS, fIN = 49.3 MHz, fS = 105 MSPS 69 68 67 66 65 64 63 62 61 60 –40°C +25°C +85°C 10.3 49.3 80.3 170.3 250.3 AIN (MHz) Figure 15. SNR vs. AIN Frequency over Temperature, fS = 105 MSPS, Differential AIN, SFDR Mode Disabled |
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