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PCM1795DB Scheda tecnica(PDF) 15 Page - Texas Instruments |
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PCM1795DB Scheda tecnica(HTML) 15 Page - Texas Instruments |
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15 / 58 page ![]() TYPICAL CHARACTERISTICS: ANALOG FIR FILTER PERFORMANCE IN DSD MODE 0 1 2 3 4 5 6 - - - - - - Frequency(kHz) 0 100 200 50 150 DSDFilter-1 LowBandwidth 0 10 20 30 40 50 60 - - - - - - Frequency(Hz) 0 1M 1.5M 500k DSDFilter-1 HighBandwidth f =185kHz Gain= 6.6dB C - 0 1 2 3 4 5 6 - - - - - - Frequency(kHz) 0 100 200 50 150 DSDFilter-2 LowBandwidth 0 10 20 30 40 50 60 - - - - - - Frequency(Hz) 0 1M 1.5M 500k DSDFilter-2 HighBandwidth f =90kHz Gain=0.3dB C 0 1 2 3 4 5 6 - - - - - - Frequency(kHz) 0 100 200 50 150 DSDFilter-3 LowBandwidth 0 10 20 30 40 50 60 - - - - - - Frequency(Hz) 0 1M 1.5M 500k DSDFilter-3 HighBandwidth f =85kHz Gain= 1.5dB C - PCM1795 www.ti.com ........................................................................................................................................................................................................ SLES248 – MAY 2009 All specifications at DBCK = 2.8224 MHz (44.1 kHz × 64 fS), and 50% modulation DSD data input, unless otherwise noted. GAIN vs FREQUENCY GAIN vs FREQUENCY(1) Figure 26. Figure 27. GAIN vs FREQUENCY GAIN vs FREQUENCY Figure 28. Figure 29. GAIN vs FREQUENCY GAIN vs FREQUENCY Figure 30. Figure 31. (1) This gain is in comparison to PCM 0 dB, when the DSD input signal efficiency is 50%. Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback 15 Product Folder Link(s): PCM1795 |
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