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ALC5642R-VF-CG 数据表(PDF) 22 Page - Realtek Semiconductor Corp. |
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ALC5642R-VF-CG 数据表(HTML) 22 Page - Realtek Semiconductor Corp. |
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22 / 156 page  ALC5642-VF Datasheet Multi-Channel Audio Hub/CODEC with embedded Voice DSP and SounzReal TM Digital Sound Effect 10 Rev. 0.93 6.3. Filter/Reference Table 3. Filter/Reference Name Type Pin Description Characteristic Definition MICBIAS1 O 4 Bias voltage output for microphone Programmable analog DC output VREF1 O 11 First internal reference voltage 4.7uF capacitor to analog ground VREF2 O 12 Second internal reference voltage 4.7uF capacitor to analog ground HPOFB - 25 Headphone reference ground Headphone ground CPN1 - 21 First charge pump bucket capacitor 2.2uf capacitor to CPP1 CPP1 - 20 First charge pump bucket capacitor 2.2uf capacitor to CPN1 CPN2 - 18 Second charge pump bucket capacitor 2.2uf capacitor to CPP2 CPP2 - 19 Second charge pump bucket capacitor 2.2uf capacitor to CPN2 Total: 8 Pins 6.4. Power/Ground Table 4. Power/Ground Name Type Pin Description Characteristic Definition MICVDD P 3 Analog power for MICBIAS 3.0V ~ 3.3V (Default 3.3V is recommended) AVDD P 15 Analog power 1.71V ~ 1.9V (Default 1.8V is recommended) DACREF P 10 Analog power 1.71V ~ 1.9V (Default 1.8V is recommended) AGND P 9 Analog ground CPVDD P 23 Analog power for headphone charge pump 1.71V ~ 1.9V (Default 1.8V is recommended) CPGND P 22 Analog ground for headphone charge pump CPVEE P 27 Charge pump negative voltage output 2.2uf capacitor to analog ground CPVPP P 24 Charge pump positive voltage output 2.2uf capacitor to analog ground DCVDD P 42 Digital power for digital core. Kept open if LDO1_EN is pulled high, or connected to external 1.2V power. 1.15V~1.3V (Default open is recommended. Pull high LDO1_EN to DBVDD to general 1.2V DCVDD by internal LDO. It can be connected to external 1.2V if LDO1_EN is pulled low.) DBVDD P 43 Digital power for digital I/O buffer 1.71V~3.3V (Default 1.8V is recommended) SPKVDDL P 2 Speaker AMP power for left channel 3.0V~5.0V (Default 5V or 3.3V) SPKVDDR P 46 Speaker AMP power for right channel 3.0V~5.0V (Default 5V or 3.3V) SPKGND/ DGND P 49* Speaker AMP ground Digital ground Exposed-Pad Total: 12 Pins |
类似零件编号 - ALC5642R-VF-CG |
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类似说明 - ALC5642R-VF-CG |
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