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PCM1793 Datasheet(PDF) 3 Page - Texas Instruments |
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PCM1793 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 29 page PCM1793 SLES076A − MARCH 2003 − REVISED JANUARY 2004 www.ti.com 3 ELECTRICAL CHARACTERISTICS (Continued) all specifications at TA = 25°C, VCC = 5 V, VDD = 3.3 V, fS = 44.1 kHz, system clock = 256 fS, and 24-bit data, unless otherwise noted PARAMETER TEST CONDITIONS PCM1793DB UNIT PARAMETER TEST CONDITIONS MIN TYP MAX UNIT DYNAMIC PERFORMANCE (1) fS = 44.1 kHz 0.001% 0.002% THD+N at VOUT = 0 dB fS = 96 kHz 0.0015% THD+N at VOUT = 0 dB fS = 192 kHz 0.003% EIAJ, A-weighted, fS = 44.1 kHz 110 113 Dynamic range EIAJ, A-weighted, fS = 96 kHz 113 dB Dynamic range EIAJ, A-weighted, fS = 192 kHz 113 dB EIAJ, A-weighted, fS = 44.1 kHz 110 113 Signal-to-noise ratio EIAJ, A-weighted, fS = 96 kHz 113 dB Signal-to-noise ratio EIAJ, A-weighted, fS = 192 kHz 113 dB fS = 44.1 kHz 106 110 Channel separation fS = 96 kHz 110 dB Channel separation fS = 192 kHz 109 dB Level linearity error VOUT = −120 dB ±1 dB ANALOG OUTPUT Gain error –8 ±3 8 % of FSR Gain mismatch, channel-to-channel –3 ±0.5 3 % of FSR Bipolar zero error At BPZ –2 ±0.5 2 % of FSR Differential output voltage (2) Full scale (0 dB) 3.2 V p-p Bipolar zero voltage (2) At BPZ 1.4 V Load impedance (2) R1 = R2 1.7 k Ω DIGITAL FILTER PERFORMANCE De-emphasis error ±0.1 dB Pass band ±0.002 dB 0.454 fS Pass band –3 dB 0.49 fS Stop band 0.546 fS Pass-band ripple ±0.002 dB Stop-band attenuation Stop band = 0.546 fS –75 dB Stop-band attenuation Stop band = 0.567 fS –82 dB Delay time 29/fS s (1) Dynamic performance and DC accuracy are specified at the output of the postamplifier as shown in Figure 28. Analog performance specifications are measured using the System Two t Cascade audio measurement system by Audio Precisiont in the averaging mode. At all sampling frequency operations, measurement bandwidth is limited with a 20-kHz AES17 filter. (2) These parameters are defined at the PCM1793 output pin. Load impedance, R1 and R2, are input resistors of the postamplifier. These are defined as dc loads. Audio Precision and System Two are trademarks of Audio Precision, Inc. Other trademarks are the property of their respective owners. |
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