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ALC5642R-VF-CG 数据表(PDF) 37 Page - Realtek Semiconductor Corp. |
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ALC5642R-VF-CG 数据表(HTML) 37 Page - Realtek Semiconductor Corp. |
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37 / 156 page  ALC5642-VF Datasheet Multi-Channel Audio Hub/CODEC with embedded Voice DSP and SounzReal TM Digital Sound Effect 25 Rev. 0.93 7.6. Audio Data Path The ALC5642 provides 4-channel analog DACs for playback and 2-channel analog ADCs for recording. 7.6.1. 2 Analog ADCs with 4-Channel Record Path There are two analog ADCs and with up to 4-channel recording path. You can use two analog microphones pass to analog ADCs and two digital microphones to reach 4-channel recording. Or use two digital microphone interfaces to reach 4-channel recording. These 4-channel data need to pass to 2-I2S interface, maybe two channels for one I2S interface or mono channel for one I2S interface. The full scale input of analog ADC is around 0.55Vrms. In order to save power, the left and right analog ADC can be powered down separately by setting pow_adc_l (MX-61[2]) and pow_adc_r (MX-61[1]). And the volume control of the stereo ADC is also separately controlled by ad_gain_l (MX-1C[14:8]) and ad_gain_r (MX-1C[6:0]). DMIC1_L DMIC2_L Analog ADC_L CH1 IF1_ADC I2S1 CH2 DAC_MIXL DAC_MIXL DMIC1_R DMIC2_R Analog ADC_R DAC_MIXR DAC_MIXR DMIC1_L DMIC2_L Analog ADC_L CH3 IF2_ADC I2S2 CH4 Mono_DAC_MIXL DMIC1_R DMIC2_R Analog ADC_R Mono_DAC_MIXL Mono_DAC_MIXR Mono_DAC_MIXR Figure 15. 4-Channel Recording Path |
类似零件编号 - ALC5642R-VF-CG |
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类似说明 - ALC5642R-VF-CG |
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