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PCM4204PAPR Datasheet(PDF) 4 Page - Texas Instruments |
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PCM4204PAPR Datasheet(HTML) 4 Page - Texas Instruments |
4 / 38 page PCM4204 SBAS327A − JUNE 2004 − REVISED SEPTEMBER 2004 www.ti.com 4 ELECTRICAL CHARACTERISTICS (continued) Unless otherwise noted, all characteristics specified with TA = +25°C, VCC = +5V, VDD = +3.3V, system clock (SCKI) is 512fS for Single Rate Sampling, 256fS for Dual Rate Sampling, or 128fS for Quad Rate Sampling. The device is operated in Master mode for all dynamic performance measurements. PCM4204 PARAMETER UNIT MAX TYP MIN TEST CONDITIONS DYNAMIC PERFORMANCE (PCM Output)(3) fS = 48kHz(4) THD+N VIN = −0.5dBFS, fIN = 1kHz −105 −96 dB VIN = −60dBFS, fIN = 1kHz −56 dB Dynamic Range VIN = −60dBFS, fIN = 1kHz, A-weighted 112 118 dB Channel Separation 105 120 dB fS = 96kHz THD+N VIN = −0.5dBFS, fIN = 1kHz, BW = 20Hz to 40kHz −103 dB VIN = −60dBFS, fIN = 1kHz, BW = 20Hz to 40kHz −52 dB Dynamic Range VIN = −60dBFS, fIN = 1kHz, A-weighted 118 dB Channel Separation 120 dB fS = 192kHz THD+N VIN = −0.5dBFS, fIN = 1kHz, BW = 20Hz to 40kHz −103 dB Dynamic Range VIN = 0V, Unweighted, BW = 20Hz to 40kHz 108 dB VIN = 0V, A-weighted 117 dB Channel Separation 120 dB DYNAMIC PERFORMANCE (DSD Output)(5) 64fS Output Rate DSDBCK = 2.8224MHz, BW = 20Hz to 20kHz THD+N VIN = −0.5dBFS, fIN = 1kHz −103 dB VIN = −60dBFS, fIN = 1kHz −52 dB Dynamic Range VIN = −60dBFS, fIN = 1kHz, A-weighted 115 dB 128fS Output Rate DSDBCK = 5.6448MHz, BW = 20Hz to 20kHz THD+N VIN = −0.5dBFS, fIN = 1kHz −105 dB VIN = −60dBFS, fIN = 1kHz −56 dB Dynamic Range VIN = −60dBFS, fIN = 1kHz, A-weighted 118 dB DIGITAL DECIMATION FILTER Single and Dual Rate Sampling Modes Passband Edge −0.005dB 0.453fS Hz Passband Ripple ±0.005 dB Stop Band Edge 0.547fS Hz Stop Band Attenuation −100 dB Group Delay 37/fS sec (1) Applies to the FMT0, FMT1, FMT2, S/M, FS0, FS1, FS2, HPFD, BCK, LRCK, SUB, DSDCLK, DSD1, DSD2, DSD3, DSD4, and SCKI pins. (2) Applies to the TEST and RST pins. (3) Typical performance is measured using an Audio Precision System Two Cascade or Cascade Plus test system. The measurement bandwidth is limited using the Audio Precision 22Hz high-pass filter in combination with either a 20kHz low-pass filter for fS = 48kHz or a 40kHz low-pass filter for fS = 96kHz and 192kHz. All A-weighted measurements are performed using the A-weighting filter in combination with the band limiting filters already mentioned. The measurements are made with the RMS detector selected. (4) A 256fS system clock is used at final production test for fS = 48kHz measurements. (5) Typical DSD performance is measured using an Audio Precision System Two Cascade or Cascade Plus test system. The measurement bandwidth is limited using the Audio Precision 22Hz high-pass filter in combination with a 20kHz low-pass filter. All A-weighted measurements are performed using the A-weighting filter in combination with the band limiting filter already mentioned. The measurements are made with the RMS detector selected. The 1-bit DSD data is converted to 24-bit linear PCM data for measurement using a PCM4204 configured for DSD input mode. |
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