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ALC5642R-VF-CG 数据表(PDF) 41 Page - Realtek Semiconductor Corp. |
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ALC5642R-VF-CG 数据表(HTML) 41 Page - Realtek Semiconductor Corp. |
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41 / 156 page  ALC5642-VF Datasheet Multi-Channel Audio Hub/CODEC with embedded Voice DSP and SounzReal TM Digital Sound Effect 29 Rev. 0.93 7.8. Analog Audio Output Port The ALC5642 supports four type output ports: SPO_L/R_P/N The speaker output of ALC5642 is a stereo BTL output with Class-D type amplifier. The power of speaker amplifier is an individual power pin and higher than AVDD. So the input and output of speaker amplifier has a gain ratio to enlarge or reduce the income analog signal. The gain ratio setting can be controlled by fbgain_clsd (MX-8D[15:12]). The input source of the speaker output port can be selected from analog input, SPKVOL, DAC output by setting MX-48/49. The front stage of speaker output has gain control and volume control. For gain control, the range is from 0dB to -9dB and controlled by MX-46/47. For volume control, the range is from +12dB to -46.5dB with 1.5dB/step controlled by MX-01. The pow_spo_voll (MX-66[15]) and pow_spo_volr (MX-66[14]) can be used to power on/off SPKVOLL and SPKVOLR. The pow_clsd (MX-61[0]) can be used to power on/off SPO_L/R_P/N. SPKVDDL SPKGND SPOLP SPKVDDL SPKGND SPOLN SPKVDDR SPKGND SPORP SPKVDDR SPKGND SPORN Gate Drive Gate Drive Gate Drive Gate Drive LP LN RP LN Analog Modulation Analog Modulation Analog Modulation Analog Modulation Figure 17. Stereo BTL Speaker Output |
类似零件编号 - ALC5642R-VF-CG |
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类似说明 - ALC5642R-VF-CG |
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