ALC5640CG 데이터 시트보기 (PDF) - Realtek Semiconductor

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ALC5640CG

Multi-Channel Audio Hub/CODEC and SounzReal Digital Sound Effect for Mobile Devices

Realtek Semiconductor 

ALC5640-VB

Datasheet

6.3. Filter/Reference

Name

MICBIAS1

VREF1

VREF2

HPOFB

CPN1

CPP1

CPN2

CPP2

Table 3. Filter/Reference

Type Pin

Description

Characteristic Definition

O 4 Bias voltage output for microphone

Programmable analog DC output

O 11 First internal reference voltage

4.7uF capacitor to analog ground

O 12 Second internal reference voltage

4.7uF capacitor to analog ground

- 25 Headphone reference ground

Headphone ground

- 21 First charge pump bucket capacitor

2.2uf capacitor to CPP1

- 20 First charge pump bucket capacitor

2.2uf capacitor to CPN1

- 18 Second charge pump bucket capacitor 2.2uf capacitor to CPP2

- 19 Second charge pump bucket capacitor 2.2uf capacitor to CPN2

Total: 8 Pins

6.4. Power/Ground

Name

MICVDD

AVDD

DACREF

AGND

CPVDD

CPGND

CPVEE

CPVPP

DCVDD

LDO1_IN

DBVDD

SPKVDDL

SPKVDDR

SPKGND/

DGND

Table 4. Power/Ground

Type Pin

Description

Characteristic Definition

P 3 Analog power for MICBIAS

3.0V ~ 3.3V (Default 3.3V is recommended)

P 15 Analog power for core and I/O

1.71V ~ 1.9V (Default 1.8V is recommended)

P 10 Analog power

1.71V ~ 1.9V (Default 1.8V is recommended)

P 9 Analog ground

P

23

Analog power for headphone charge

pump

1.71V ~ 1.9V (Default 1.8V is recommended)

P

22

Analog ground for headphone charge

pump

P 27 Charge pump negative voltage output

2.2uf capacitor to analog ground

P 24 Charge pump positive voltage output

2.2uf capacitor to analog ground

Digital power for digital core.

1.1V~1.3V

Kept open if LDO1_EN is pulled high, or (Default open is recommended. Pull high

P 42 connected to external 1.2V power.

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.)

Supply for DCVDD

P 23

1.71V ~ 1.9V (Default 1.8V is recommended)

Powered by CPVDD

P 43 Digital power for digital I/O buffer

1.71V~3.3V (Default 1.8V is recommended)

P 2 Speaker AMP power for left channel

3.0V~5.0V (Default 5V or 3.3V)

P 46 Speaker AMP power for right channel 3.0V~5.0V (Default 5V or 3.3V)

Speaker AMP ground

P 49*

Digital ground

Exposed-Pad

Total: 12 Pins

Multi-Channel Audio Hub/CODEC and SounzRealTM

10

Digital Sound Effect for Mobile Devices

Rev. 0.91

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