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PCM1723E/2K 数据表(PDF) 5 Page - Texas Instruments |
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PCM1723E/2K 数据表(HTML) 5 Page - Texas Instruments |
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5 / 21 page ![]() PCM1723 5 SBAS057A www.ti.com PASSBAND RIPPLE CHARACTERISTIC 0 –0.2 –0.4 –0.6 –0.8 –1 0 0.1134f S 0.2268f S 0.3402f S 0.4535f S Frequency (Hz) TYPICAL CHARACTERISTICS (Cont.) At TA = +25°C, VS = +5V, RL = 44.1kHz, and fSYS = 384fS, unless otherwise noted. DIGITAL FILTER 0 0.4536f S 1.3605f S 2.2675f S 3.1745f S 4.0815f S 0 –20 –40 –60 –80 –100 OVERALL FREQUENCY CHARACTERISTIC Frequency (Hz) DE-EMPHASIS FREQUENCY RESPONSE (32kHz) 0 5k 10k 15k 20k 25k Frequency (Hz) 0 –2 –4 –6 –8 –10 –12 DE-EMPHASIS FREQUENCY RESPONSE (44.1kHz) 0 5k 10k 15k 20k 25k Frequency (Hz) 0 –2 –4 –6 –8 –10 –12 DE-EMPHASIS FREQUENCY RESPONSE (48kHz) 0 5k 10k 15k 20k 25k Frequency (Hz) 0 –2 –4 –6 –8 –10 –12 DE-EMPHASIS ERROR (32kHz) 0 3628 7256 10884 14512 0 4999.8375 9999.675 14999.5125 19999.35 0 5442 10884 16326 21768 Frequency (Hz) 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 DE-EMPHASIS ERROR (44.1kHz) Frequency (Hz) DE-EMPHASIS ERROR (48kHz) Frequency (Hz) |
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