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AD1852JRS Fiches technique(PDF) 11 Page - Analog Devices |
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AD1852JRS Fiches technique(HTML) 11 Page - Analog Devices |
11 / 16 page AD1852 –11– REV. 0 Figures 9–14 show the calculated frequency response of the digital interpolation filters. Figures 15–26 show the performance of the AD1852 as measured by an Audio Precision System 2 Cascade. For the wideband plots, the noise floor shown in the plots is higher than the actual noise floor of the AD1852. This is FREQUENCY – kHz 0.001 0 210 12 14 16 20 0.0008 0.0006 0.0004 0.0002 0 –0.0002 –0.0004 –0.0006 –0.0008 –0.001 46 8 18 Figure 9. Passband Response 8 × Mode, 48 kHz Sample Rate FREQUENCY – kHz 0.5 –10 5 1015 20253035 40 0.4 0.3 0.2 0.1 0 –0.1 –0.2 –0.3 –0.4 –0.5 Figure 10. 44 kHz Passband Response 4 × Mode, 96 kHz Sample Rate FREQUENCY – kHz 2.0 1.5 1.0 0 0 –0.5 –1.0 –2.0 10 20 30 40 50 60 70 80 –1.5 0.5 Figure 11. 88 kHz Passband Response 2 × Mode, 192 kHz Sample Rate caused by the higher noise floor of the “High Bandwidth” ADC used in the Audio Precision measurement system. The two-tone test shown in Figure 17 is per the SMPTE standard for measur- ing Intermodulation Distortion. Typical Performance Characteristics– FREQUENCY – kHz 0 –60 –100 –160 –20 –40 –80 –120 –140 0 150 200 50 100 250 300 350 Figure 12. Complete Response, 8 × Mode, 48 kHz Sample Rate 0 0 150 200 –60 –100 50 100 250 –20 –40 –80 –120 –140 300 FREQUENCY – kHz –160 Figure 13. Complete Response, 4 × Mode, 96 kHz Sample Rate FREQUENCY – kHz 0 –60 –120 –160 –40 –20 –80 –100 –140 0 150 200 50 100 250 Figure 14. Complete Response, 2 × Mode, 192 kHz Sample Rate |
Numéro de pièce similaire - AD1852JRS |
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Description similaire - AD1852JRS |
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