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PCM1602 датащи(PDF) 8 Page - Texas Instruments |
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PCM1602 датащи(HTML) 8 Page - Texas Instruments |
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8 / 29 page ![]() PCM1602 8 SBAS163 TYPICAL PERFORMANCE CURVES (Cont.) All specifications at TA = +25°C, VCC = 5.0V, VDD = 3.3V, system clock = 384fS (fS = 44.1kHz), and 24-bit input data, unless otherwise noted. De-Emphasis and De-Emphasis Error (Cont.) ANALOG DYNAMIC PERFORMANCE All specifications at TA = +25°C, VCC = 5.0V, VDD = 3.3V, and 24-bit input data, unless otherwise noted. Conditions in 192kHz operation are: system clock = 128fS, DAC3 through DAC6 = disable of Register 8, and oversampling rate = 64fS of Register 12. Supply-Voltage Characteristics 0.0 –1.0 –2.0 –3.0 –4.0 –5.0 –6.0 –7.0 –8.0 –9.0 –10.0 DE-EMPHASIS (f S = 44.1kHz) 02 46 8 10 12 14 16 18 20 Frequency (kHz) 0.5 0.4 0.3 0.2 0.1 0.0 –0.1 –0.2 –0.3 –0.4 –0.5 DE-EMPHASIS ERROR (f S = 44.1kHz) 02 46 8 10 12 14 16 18 20 Frequency (kHz) 0.0 –1.0 –2.0 –3.0 –4.0 –5.0 –6.0 –7.0 –8.0 –9.0 –10.0 DE-EMPHASIS (f S = 48kHz) 02 46 8 10 12 14 16 18 22 Frequency (kHz) 0.5 0.4 0.3 0.2 0.1 0.0 –0.1 –0.2 –0.3 –0.4 –0.5 DE-EMPHASIS ERROR (f S = 48kHz) 02 46 8 10 12 14 16 18 22 Frequency (kHz) 10 1 0.1 0.01 0.001 0.0001 THD+N vs V CC (VDD = 3.3V) 4 4.5 5 5.5 6 V CC (V) 0dB/96kHz, 384f S 0dB/192kHz, 384f S –60dB/96kHz, 384f S –60dB/192kHz, 384f S –60dB/44.1kHz, 384f S 0dB/44.1kHz, 384f S 110 108 106 104 102 100 98 96 DYNAMIC RANGE vs V CC (VDD = 3.3V) 4 4.5 5 5.5 6 V CC (V) 192kHz, 384f S 96kHz, 384f S 44.1kHz, 384f S |
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