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PCM2906C Datasheet(PDF) 4 Page - Texas Instruments |
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PCM2906C Datasheet(HTML) 4 Page - Texas Instruments |
4 / 30 page ![]() PCM2906C SBFS037 – NOVEMBER 2011 www.ti.com ELECTRICAL CHARACTERISTICS (continued) All specifications at TA = +25°C, VBUS, = 5 V, fS = 44.1 kHz, fIN = 1 kHz, and 16-bit data (unless otherwise noted). PCM2906C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ADC CHARACTERISTICS Resolution 8, 16 Bits Audio data channel 1, 2 Channel ADC Clock Frequency fs Sampling frequency 8, 11.025, 16, 22.05, 32, 44.1, 48 kHz ADC DC Accuracy Gain mismatch, ±1 ±5 % of FSR channel-to-channel Gain error ±2 ±10 % of FSR Bipolar zero error ±0 % of FSR ADC Dynamic Performance(8) VIN = –1 dB (9), V CCCI = 3.67 V 0.01 0.02 % Total harmonic distortion THD+N VIN = –1 dB (10) 0.1 % plus noise VIN = –60 dB 5 % Dynamic range A-weighted 81 89 dB SNR Signal-to-noise ratio A-weighted 81 89 dB Channel separation 80 85 dB Analog Input Input voltage 0.6 VCCCI VPP 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 ADC Digital Filter Performance Passband 0.454 fs Hz Stop band 0.583 fs Hz Passband ripple ±0.05 dB Stop-band attenuation –65 dB td Delay time 17.4/fs s HPF frequency response –3 dB 0.078fs/1000 Hz (8) 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. (9) Using external voltage regulator for VCCCI (see Figure 36). (10) Using internal voltage regulator for VCCCI (see Figure 37). 4 Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated Product Folder Link(s): PCM2906C |
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