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PCM3793RHBRG4 Datasheet(PDF) 5 Page - Burr-Brown (TI) |
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PCM3793RHBRG4 Datasheet(HTML) 5 Page - Burr-Brown (TI) |
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5 / 63 page  www.ti.com PCM3793 PCM3794 SLES193A – AUGUST 2006 – REVISED SEPTEMBER 2006 ELECTRICAL CHARACTERISTICS (continued) All specifications at T A = 25°C, VDD = VIO = VCC = VPA = 3.3 V, fS = 48 kHz, system clock = 256 fS, and 16-bit data (unless otherwise noted). PCM3793RHB, PCM3794RHB PARAMETER TEST CONDITIONS UNIT MIN TYP MAX Line Input to Digital Output Through ADC (AIN1L/R, AIN2L/R, AIN3L, and AIN3L/R) ALC = OFF, microphone boost = 0 dB, PGA = 0 dB, speaker and headphone = powered down, analog mixing = disabled DYNAMIC PERFORMANCE 2.828 Vp-p Full-scale input voltage 0 dB 1 Vrms Dynamic range EIAJ, A-weighted 90 dB SNR Signal-to-noise ratio EIAJ, A-weighted 83 90 dB Channel separation 87 dB THD+N Total harmonic distortion + noise –1 dB 0.009% ANALOG INPUT Center voltage 0.5 VCC V Input impedance 10 20 k Ω Microphone Bias ALC = OFF, microphone boost = 0 dB, PGA = 0 dB, speaker and headphone = powered down, analog mixing = disabled Bias voltage 0.75 VCC V Bias source current 2 mA Output noise 14 µV Filter Characteristics INTERPOLATION FILTER FOR DAC Pass band 0.454 fS Stop band 0.546 fS Pass-band ripple ±0.04 dB Stop-band attenuation –50 dB Group delay 19/fs s De-emphasis error ±0.1 dB ANALOG FILTER FOR DAC Frequency response f = 20 kHz ±0.2 dB DECIMATION FILTER FOR ADC Pass band 0.408 fS Stop band 0.591 fS Pass-band ripple ±0.02 dB Stop-band attenuation f < 3.268 fS –60 dB Group delay 17/fS s HIGH-PASS FILTER FOR ADC –3 dB, fc = 4 Hz 3.74 –0.5 dB, fc = 4 Hz 10.66 –0.1 dB, fc = 4 Hz 24.2 Frequency response Hz –3 dB, fc = 240 Hz 235.68 –0.5 dB, fc = 240 Hz 609.95 –0.1 dB, fc = 240 Hz 2601.2 5 Submit Documentation Feedback |
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