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PCM1794DBR Datasheet(PDF) 3 Page - Texas Instruments |
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PCM1794DBR Datasheet(HTML) 3 Page - Texas Instruments |
3 / 27 page PCM1794 SLES080B – MAY 2003 – REVISED NOVEMBER 2003 www.ti.com 3 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 PCM1794DB UNIT PARAMETER TEST CONDITIONS MIN TYP MAX UNIT DYNAMIC PERFORMANCE (2-V RMS OUTPUT) (1)(2) fS = 44.1 kHz 0.0004% 0.0008% THD+N at VOUT = 0 dB fS = 96 kHz 0.0008% THD+N at VOUT = 0 dB fS = 192 kHz 0.0015% EIAJ, A-weighted, fS = 44.1 kHz 123 127 Dynamic range EIAJ, A-weighted, fS = 96 kHz 127 dB Dynamic range EIAJ, A-weighted, fS = 192 kHz 127 dB EIAJ, A-weighted, fS = 44.1 kHz 123 127 Signal-to-noise ratio EIAJ, A-weighted, fS = 96 kHz 127 dB Signal-to-noise ratio EIAJ, A-weighted, fS = 192 kHz 127 dB fS = 44.1 kHz 120 123 Channel separation fS = 96 kHz 122 dB Channel separation fS = 192 kHz 120 dB 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% THD+N at VOUT = 0 dB fS = 192 kHz 0.0015% EIAJ, A-weighted, fS = 44.1 kHz 129 Dynamic range EIAJ, A-weighted, fS = 96 kHz 129 dB Dynamic range EIAJ, A-weighted, fS = 192 kHz 129 dB EIAJ, A-weighted, fS = 44.1 kHz 129 Signal-to-noise ratio EIAJ, A-weighted, fS = 96 kHz 129 dB Signal-to-noise ratio EIAJ, A-weighted, fS = 192 kHz 129 dB fS = 44.1 kHz 124 Channel separation fS = 96 kHz 123 dB Channel separation fS = 192 kHz 121 dB DYNAMIC PERFORMANCE (MONO MODE) (1)(3) fS = 44.1 kHz 0.0004% THD+N at VOUT = 0 dB fS = 96 kHz 0.0008% THD+N at VOUT = 0 dB fS = 192 kHz 0.0015% EIAJ, A-weighted, fS = 44.1 kHz 132 Dynamic range EIAJ, A-weighted, fS = 96 kHz 132 dB Dynamic range EIAJ, A-weighted, fS = 192 kHz 132 dB EIAJ, A-weighted, fS = 44.1 kHz 132 Signal-to-noise ratio EIAJ, A-weighted, fS = 96 kHz 132 dB Signal-to-noise ratio EIAJ, A-weighted, fS = 192 kHz 132 dB (1) Filter condition: THD+N: 20-Hz HPF, 20-kHz apogee LPF Dynamic range: 20-Hz HPF, 20-kHz AES17 LPF, A-weighted Signal-to-noise ratio: 20-Hz HPF, 20-kHz AES17 LPF, A-weighted Channel separation: 20-Hz HPF, 20-kHz AES17 LPF Analog performance specifications are measured using the System Two t Cascade audio measurement system by Audio Precision in the averaging mode. (2) Dynamic performance and dc accuracy are specified at the output of the postamplifier as shown in Figure 24. (3) Dynamic performance and dc accuracy are specified at the output of the postamplifier as shown in Figure 25. Audio Precision and System Two are trademarks of Audio Precision, Inc. Other trademarks are the property of their respective owners. |
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