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PCM4222 датащи(PDF) 13 Page - Burr-Brown (TI) |
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PCM4222 датащи(HTML) 13 Page - Burr-Brown (TI) |
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13 / 40 page ![]() www.ti.com Frequency(Hz) 0 -0.4 -0.6 -0.8 -1.0 -1.2 -1.4 -1.6 -1.8 -2.0 1k 100 20 10k 20k -0.2 f =48kHz ClassicorLowGroupDelayResponse High-PassFilterEnabled InputAmplitude= 1dB S - Frequency(Hz) 0 -0.4 -0.6 -0.8 -1.0 -1.2 -1.4 -1.6 -1.8 -2.0 1k 100 20 10k 40k -0.2 f =96kHz ClassicorLowGroupDelayResponse Enabled InputAmplitude= 1dB S High-PassFilter - Frequency(Hz) 0 -0.4 -0.6 -0.8 -1.0 -1.2 -1.4 -1.6 -1.8 -2.0 1k 100 20 10k 80k -0.2 f =192kHz High-PassFilterEnabled InputAmplitude= 1dB S - NormalizedFrequency(f ) S 50 0 -50 -100 -150 -200 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0 NormalizedFrequency(f ) S 0 -100 -150 0.5 0.1 0 0.6 1.0 0.2 0.3 0.4 0.7 -50 0.8 0.9 NormalizedFrequency(f ) S 2 -1 -2 -4 0.25 0.05 0 0.30 0.50 0.10 0.15 0.20 0.35 0 1 0.40 0.45 -3 PCM4222 SBAS399A – OCTOBER 2006 – REVISED MARCH 2007 TYPICAL CHARACTERISTICS (continued) At T A = +25°C, VCC1 = VCC2 = +4.0V, and VDD = +3.3V, unless otherwise noted. FREQUENCY RESPONSE FREQUENCY RESPONSE (up to 20kHz) (up to 40kHz) Figure 23. Figure 24. FREQUENCY RESPONSE DIGITAL DECIMATION FILTER, CLASSIC RESPONSE (up to 80kHz) Overall Frequency Response Figure 25. Figure 26. DIGITAL DECIMATION FILTER, CLASSIC RESPONSE DIGITAL DECIMATION FILTER, CLASSIC RESPONSE Stop Band Detail Passband Ripple Detail Figure 27. Figure 28. 13 Submit Documentation Feedback |
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