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PCM1794A-Q1 Datasheet(PDF) 6 Page - Texas Instruments |
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PCM1794A-Q1 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 34 page PCM1794A-Q1 SLES276A – NOVEMBER 2015 – REVISED DECEMBER 2015 www.ti.com Electrical Characteristics (continued) all specifications at TA = 25°C, VCC1 = VCC2L = VCC2R = 5 V, VDD = 3.3 V, fS = 44.1 kHz, system clock = 256 fS, and 24-bit data, unless otherwise noted PARAMETER TEST CONDITIONS MIN TYP MAX UNIT EIAJ, A-weighted, fS = 44.1 kHz 123 127 Signal-to-noise ratio EIAJ, A-weighted, fS = 96 kHz 127 dB EIAJ, A-weighted, fS = 192 kHz 127 fS = 44.1 kHz 120 123 Channel separation fS = 96 kHz 122 dB fS = 192 kHz 120 Level linearity error VOUT = –120 dB ±1 dB DYNAMIC PERFORMANCE (4.5-V RMS Output)(1)(3) fS = 44.1 kHz 0.0004% THD+N at VOUT = 0 dB fS = 96 kHz 0.0008% fS = 192 kHz 0.0015% EIAJ, A-weighted, fS = 44.1 kHz 129 Dynamic range EIAJ, A-weighted, fS = 96 kHz 129 dB EIAJ, A-weighted, fS = 192 kHz 129 EIAJ, A-weighted, fS = 44.1 kHz 129 Signal-to-noise ratio EIAJ, A-weighted, fS = 96 kHz 129 dB EIAJ, A-weighted, fS = 192 kHz 129 fS = 44.1 kHz 124 Channel separation fS = 96 kHz 123 dB fS = 192 kHz 121 DYNAMIC PERFORMANCE (MONO MODE)(1)(3) fS = 44.1 kHz 0.0004% THD+N at VOUT = 0 dB fS = 96 kHz 0.0008% fS = 192 kHz 0.0015% EIAJ, A-weighted, fS = 44.1 kHz 132 Dynamic range EIAJ, A-weighted, fS = 96 kHz 132 dB EIAJ, A-weighted, fS = 192 kHz 132 EIAJ, A-weighted, fS = 44.1 kHz 132 Signal-to-noise ratio EIAJ, A-weighted, fS = 96 kHz 132 dB EIAJ, A-weighted, fS = 192 kHz 132 ANALOG OUTPUT Gain error –6 ±2 6 % of FSR Gain mismatch, channel-to-channel –3 ±0.5 3 % of FSR Bipolar zero error At BPZ –2 ±0.5 2 % of FSR Output current Full scale (0 dB) 7.8 mA p-p Center current At BPZ –6.2 mA DIGITAL FILTER PERFORMANCE De-emphasis error ±0.004 dB FILTER CHARACTERISTICS-1: SHARP ROLLOFF ±0.00001 dB 0.454 fS Pass band –3 dB 0.49 fS Stop band 0.546 fS Pass-band ripple ±0.00001 dB Stop-band attenuation Stop band = 0.546 fS –130 dB Delay time 55/fS s FILTER CHARACTERISTICS-2: SLOW ROLLOFF ±0.04 dB 0.254 fS Pass band –3 dB 0.46 fS (3) Dynamic performance and dc accuracy are specified at the output of the postamplifier as shown in Figure 26. 6 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated Product Folder Links: PCM1794A-Q1 |
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