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PCM1850PJT Datasheet(PDF) 7 Page - Texas Instruments |
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PCM1850PJT Datasheet(HTML) 7 Page - Texas Instruments |
7 / 33 page PCM1850 PCM1851 SLES108 − MARCH 2004 www.ti.com 7 ELECTRICAL CHARACTERISTICS (Continued) All specifications at TA = 25°C, VCC = 5 V, VDD = 3.3 V, master mode, fS = 48 kHz, system clock = 256 fS, 24-bit data, unless otherwise noted PARAMETER TEST CONDITIONS PCM1850PJT, PCM1851PJT UNIT PARAMETER TEST CONDITIONS MIN TYP MAX UNIT DYANAMIC PEFORMANCE(1) (2) fS = 48 kHz, VIN = –0.5 dB (1.89 Vrms) 0.0023% 0.004% THD+N (3) fS = 96 kHz(4), VIN = –0.5 dB (1.89 Vrms) 0.0027% THD+N (3) fS = 48 kHz, VIN = –60 dB (2 mVrms) 1% THD+N (3) fS = 96 kHz(4), VIN = –60 dB (2 mVrms) 1% Dynamic range (3) fS = 48 kHz, A-weighted 96 102 dB Dynamic range (3) fS = 96 kHz(4), A-weighted 102 dB S/N ratio (3) fS = 48 kHz, A-weighted 96 101 dB S/N ratio (3) fS = 96 kHz(4), A-weighted 102 dB Channel separation (between L-ch and fS = 48 kHz 92 98 dB Channel separation (between L ch and R-ch) (3) fS = 96 kHz(4) 100 dB Channel separation (among channels) (5) fS = 48 kHz 90 96 dB Channel separation (among channels) (5) fS = 96 kHz(4) 96 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 Delay time 17.4/fS s HPF frequency response –3 dB 0.019 fS mHz POWER SUPPLY REQUIREMENTS VCC Voltage range 4.5 5 5.5 VDC VDD Voltage range 2.7 3.3 3.6 VDC I Operation 28 35 mA ICC Power down (7) 190 µA Supply current (6) fS = 48 kHz 6 10 mA I Supply current (6) fS = 96 kHz (4) 12 mA IDD Power down (7), PCM1850 80 µA Power down (7), PCM1851 280 µA Power dissipation operation fS = 48 kHz 160 208 Power dissipation, operation fS = 96 kHz (4) 180 mW Power dissipation power down (7) PCM1850 1.2 mW Power dissipation, power down (7) PCM1851 1.9 TEMPERATURE RANGE Operation temperature –40 85 °C Thermal resistance ( θJA) 80 °C/W (1) Analog performance specifications are tested with the System Two™ audio measurement system by Audio Precision™, using a 400-Hz HPF and 20-kHz LPF in the RMS mode at fIN = 1 kHz. (2) Reference level (0 dB) is specified as 2-V rms input on VINL[1:6] and VINR[1:6] pins with PGA gain of –5.5 dB. (3) Unselected channel inputs are terminated to AGND with 0.33 µF. (4) fS = 96 kHz, system clock = 256 fS. (5) 2-V rms input is applied to all unselected channels, and input of selected channel is terminated to AGND with 0.33 µF. (6) Minimum load on DOUT (pin 3), BCK (pin 2), LRCK (pin 1) (7) Halt SCKI, BCK, LRCK. |
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