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PCM2904DB Datasheet(PDF) 4 Page - Texas Instruments |
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PCM2904DB Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 33 page  www.ti.com ELECTRICAL CHARACTERISTICS (Continued) PCM2904 PCM2906 SLES042C – JUNE 2002 – REVISED NOVEMBER 2007 All specifications at TA = 25°C, VBUS, = 5 V, fS = 44.1 kHz, fIN = 1 kHz, 16-bit data (unless otherwise noted) TEST CONDITIONS PCM2904DB, PCM2906DB PARAMETER UNIT MIN TYP MAX DYNAMIC PERFORMANCE(1) VIN = –0.5 dB (2), V CCCI = 3.67 V 0.01% 0.02% THD+N Total harmonic distortion plus noise VIN = –0.5 dB (3) 0.1% VIN = –60 dB 5% Dynamic range A-weighted 81 89 dB S/N ratio A-weighted 81 89 dB Channel separation 80 85 dB ANALOG INPUT Input voltage 0.6 VCCCI Vp-p Center voltage 0.5 VCCCI V Input impedance 30 k Ω –3 dB 150 kHz Antialiasing filter frequency response fIN = 20 kHz –0.08 dB DIGITAL FILTER PERFORMANCE Pass band 0.454 fs Hz Stop band 0.583 fs Hz Pass-band ripple ±0.05 dB Stop-band attenuation –65 dB td Delay time 17.4/fs s LCF frequency response –3 dB 0.078 fs MHz DAC CHARACTERISTICS Resolution 8, 16 bits Audio data channel 1, 2 channel CLOCK FREQUENCY fs Sampling frequency 32, 44.1, 48 kHz DC ACCURACY Gain mismatch, channel-to-channel ±1 ±5 % of FSR Gain error ±2 ±10 % of FSR Bipolar zero error ±2 % of FSR DYNAMIC PERFORMANCE(4) VOUT = 0 dB 0.005% 0.016% THD+N Total harmonic distortion plus noise VOUT = –60 dB 3% Dynamic range EIAJ, A-weighted 87 93 dB SNR Signal-to-noise ratio EIAJ, A-weighted 90 96 dB Channel separation 86 92 dB (1) fIN = 1 kHz, using the System Two™ audio measurement system by Audio Precision™ in RMS mode with 20-kHz LPF, 400-Hz HPF in calculation. (2) Using external voltage regulator for VCCCI (as shown in Figure 36 and Figure 37, using REG103xA-A) (3) Using internal voltage regulator for VCCCI (as shown in Figure 38 and Figure 39) (4) fOUT = 1 kHz, using the System Two audio measurement system by Audio Precision in RMS mode with 20-kHz LPF, 400-Hz HPF. 4 Submit Documentation Feedback Copyright © 2002–2007, Texas Instruments Incorporated Product Folder Link(s): PCM2904 PCM2906 |
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