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PCM1803A 데이터시트(PDF) 5 Page - Texas Instruments |
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PCM1803A 데이터시트(HTML) 5 Page - Texas Instruments |
5 / 22 page www.ti.com PCM1803A SLES142A – JUNE 2005 – REVISED AUGUST 2006 ELECTRICAL CHARACTERISTICS (continued) All specifications at T A = 25°C, VCC = 5 V, VDD = 3.3 V, master mode, fS = 44.1 kHz, system clock = 384 fS, oversampling ratio = ×128, 24-bit data (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT DYNAMIC PERFORMANCE(5) VIN = –0.5 dB, fS = 44.1 kHz –95 –89 VIN = –0.5 dB, fS = 96 kHz(6) –93 THD+N Total harmonic distortion + noise dB VIN = –60 dB, fS = 44.1 kHz –41 VIN = –60 dB, fS = 96 kHz(6) –41 fS = 44.1 kHz, A-weighted 100 103 Dynamic range dB fS = 96 kHz, A-weighted(6) 103 fS = 44.1 kHz, A-weighted 100 103 SNR Signal-to-noise ratio dB fS = 96 kHz, A-weighted(6) 103 fS = 44.1 kHz 95 98 Channel separation dB fS = 96 kHz(6) 99 ANALOG INPUT VI Input voltage 0.6 VCC Vp-p Center voltage (VREF1) 0.5 VCC V Input impedance 40 k Ω 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 tGD Group delay time 17.4/fS s HPF frequency response –3 dB 0.019 fS mHz POWER SUPPLY REQUIREMENTS VCC 4.5 5 5.5 Vdc Supply voltage range VDD 2.7 3.3 3.6 Vdc 7.7 10 mA ICC Power down(8) 5 µA Supply current(7) fS = 44.1 kHz 6.5 9 mA IDD fS = 96 kHz (6) 11.7 mA Power down(8) 1 µA fS = 44.1 kHz 60 80 mW Power dissipation fS = 96 kHz (6) 77 mW Power down(8) 28 µW TEMPERATURE RANGE TA Operating free-air temperature –40 85 °C θ JA Thermal resistance 20-pin SSOP 115 °C/W (5) Analog performance specifications are tested using the System Two™ audio measurement system by Audio Precision™, using 400-Hz HPF, 20-kHz LPF in rms mode. (6) fS = 96 kHz, system clock = 256 fS, oversampling ratio = ×64. (7) Minimum load on DOUT (pin 12), BCK (pin 11), LRCK (pin 10) (8) Halt SCKI, BCK, LRCK 5 Submit Documentation Feedback |
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