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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PCM1742E/2K датащи(PDF) 4 Page - Texas Instruments |
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PCM1742E/2K датащи(HTML) 4 Page - Texas Instruments |
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4 / 40 page  www.ti.com PCM1742 SBAS176A – DECEMBER 2000 – REVISED APRIL 2005 ELECTRICAL CHARACTERISTICS (continued) All specifications at T A = 25°C, VCC = 5 V, VDD = 3.3 V, fS = 44.1 kHz, system clock = 384 fS, and 24-bit data (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT PCM1742KE VOUT = 0 dB, fS = 44.1 kHz 0.002% 0.006% VOUT = 0 dB, fS = 96 kHz 0.003% VOUT = 0 dB, fS = 192 kHz 0.004% THD+N Total harmonic distortion + noise VOUT = –60 dB, fS = 44.1 kHz 0.65% VOUT = –60 dB, fS = 96 kHz 0.8% VOUT = –60 dB, fS = 192 kHz 0.95% EIAJ, A-weighted, fS = 44.1 kHz 100 106 Dynamic range A-weighted, fS = 96 kHz 104 dB A-weighted, fS = 192 kHz 102 EIAJ, A-weighted, fS = 44.1 kHz 100 106 SNR Signal-to-noise ratio A-weighted, fS = 96 kHz 104 dB A-weighted, fS = 192 kHz 102 fS = 44.1 kHz 97 103 Channel separation fS = 96 kHz 101 dB fS = 192 kHz 100 Level linearity error VOUT = –90 dB ±0.5 dB DC ACCURACY Gain error ±1 ±6 % of FSR Gain mismatch, channel-to-channel ±1 ±3 % of FSR Bipolar zero error VOUT = 0.5 VCC at bipolar zero ±30 ±60 mV ANALOG OUTPUT Output voltage Full scale (0 dB) 0.62 VCC Vp-p Center voltage 0.5 VCC Vdc Load Impedance AC load 5 k Ω DIGITAL FILTER PERFORMANCE Filter Characteristics, Sharp Rolloff Pass band ±0.03 dB 0.454 fS Pass band –3 dB 0.487 fS Stop band 0.546 fS Pass-band ripple ±0.03 dB Stop band = 0.546 fS –50 Stop-band attenuation dB Stop band = 0.567 fS –55 Filter Characteristics, Slow Rolloff Pass band ±0.5 dB 0.198 fS Pass band –3 dB 0.39 fS Stop band 0.884 fS Pass-band ripple ±0.5 dB Stop-band attenuation Stop band = 0.884 fS –40 dB Delay time 20/fS s De-emphasis error ±0.1 dB ANALOG FILTER PERFORMANCE f = 20 kHz –0.03 Frequency response dB f = 44 kHz –0.20 4 |
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