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AD9250 датащи(PDF) 13 Page - Analog Devices |
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AD9250 датащи(HTML) 13 Page - Analog Devices |
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13 / 44 page ![]() Data Sheet AD9250 Rev. 0 | Page 13 of 44 TYPICAL PERFORMANCE CHARACTERISTICS AVDD = 1.8 V, DRVDD = 1.8 V, DVDD = 1.8 V, sample rate is maximum for speed grade, DCS enabled, 1.75 V p-p differential input, VIN = −1.0 dBFS, 32k sample, TA = 25°C, link parameters used were M = 2 and L = 2, unless otherwise noted. 0 20 40 60 80 FREQUENCY (MHz) –120 –100 –80 –60 –40 –20 0 fIN: 90.1MHz fS: 170MSPS SNR: 71.8dBFS SFDR: 91dBc Figure 5. AD9250-170 Single-Tone FFT with fIN = 90.1 MHz 0 20 40 60 80 FREQUENCY (MHz) fIN: 185.1MHz fS: 170MSPS SNR: 71.6dBFS SFDR: 86dBc –120 –100 –80 –60 –40 –20 0 Figure 6. AD9250-170 Single-Tone FFT with fIN = 185.1 MHz –120 –100 –80 –60 –40 –20 0 0 20 40 60 80 FREQUENCY (MHz) fIN: 305.1MHz fS: 170MSPS SNR: 69.4dBFS SFDR: 85dBc Figure 7. AD9250-170 Single-Tone FFT with fIN = 305.1 MHz 0 20 40 60 80 100 120 –90 –70 –50 –30 –10 SNR SNRFS SFDR SFDR dBc INPUT AMPLITUDE (dBFS) Figure 8. AD9250-170 Single-Tone SNR/SFDR vs. Input Amplitude (AIN) with fIN = 185.1 MHz 60 65 70 75 80 85 90 95 100 0 50 100 150 200 250 300 SNR FREQUENCY (MHz) SFDR Figure 9. AD9250-170 Single-Tone SNR/SFDR vs. Input Frequency (fIN) –120 –100 –80 –60 –40 –20 0 –90 –70 –50 –30 –10 SFDR (dBc) SFDR (dBFS) IMD (dBc) IMD (dBFS) INPUT AMPLITUDE (dBFS) Figure 10. AD9250-170 Two-Tone SFDR/IMD vs. Input Amplitude (AIN) with fIN1 = 89.12 MHz, fIN2 = 92.12 MHz, fS = 170 MSPS |
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