2024年5月11日发(作者：羊舌巍然)

ＡＬＣ２６２

　　　　ＡＬＣ２６２是一款符合英特尔的”高清晰度”音频技术的音频控制芯片。它采用双通道数／模转换器和模／数转换

器，编解码器可提供立体声２４位分辨率，并且取样率可高达１９２ｋＨｚ。ＡＬＣ２６２在联想天逸Ｆ５０、ＱＵＡＮＴＡ　Ｇ１笔记本电

脑中均有采用。

　　　　ＡＬＣ２６２的内部电路框图

0Eh

PCM-OUT

03h

02h

M

M

M

M

M

M

/2

VOL

MONO

LOUT2

LOUT1

MONO

SRC

SRC

DAC

DAC

0Dh

0Ch

VOL

VOL

M

O

MONO-OUT

HP-OUT(Port-A)

LINT-OUT(Port-D)

BEEP-IN

1Dh

CD-IN

1Ch

14h

15h

16h

PCM-OUT

LOUT1

LOUT2

Boost

LOUT1

LOUT2

Boost

M

I/O

A

M

I/O

A

Digital Interface

1

0Bh

Parameters

09h

SRC

M

VOL

VOL

VOL

VOL

VOL

VOL

22h

M

M

M

M

M

M

BEEP Gen

LOUT1

LOUT2

Boost

LOUT1

LOUT2

Boost

LOUT1

M

I/O

A

1Bh

LINE2(Port-E)

PCM-IN

ADCVOL

M

M

M

M

M

M

M

M

M

M

M

1Ah

I/O

LINE1(Port-C)

19h

PCM-IN

08h

SRCADCVOL

M

M

M

M

M

M

M

M

M

M

23h

LOUT2

Boost

LOUT1

M

I/O

A

MIC2(Port-F)

MIC1(Port-B)

18h

PCM-IN

07h

SRCADCVOL

M

M

M

M

M

M

M

M

M

24h

LOUT2

Boost

M

I/O

O

A

:Output w/ Amplifier

06h

S/PDIF-OUT

0Ah

S/PDIF-IN

Digital Converter

Digital Converter

S/PDIF-OUT

S/PDIF-IN

1Eh

1Fh

Volume

Knob

Up/Down

Mute

21h

　　　　ＡＬＣ２６２的针脚封装图

MONO-OUT

AVDD2

(PORT-A-L)

HP-OUT-L

JDREF

(PORT-A-R)

HP-OUT-R

AVSS2

GPIO0

GPIO1

NC

NC

SPDIFI/EAPD

SPDIFO

37

38

39

40

41

42

43

44

45

46

47

48

3635343332313

24

23

22

21

20

ALC262 Series

19

18

17

16

LLLLLLL TXXXVV

15

14

13

2

1112

0

LINE1-R

(PORT-C-R)

LINE1-L

(PORT-C-L)

MIC1-R

(PORT-B-R)

MIC1-L

(PORT-B-L)

CD-R

CD-GND

CD-L

MIC2-R

(PORT-F-R)

MIC2-L

(PORT-F-L)

LINE2-R

(PORT-E-R)

LINE2-L

(PORT-E-L)

Sense A

ALC882

Figure 3. Pin Assignments

　　　　ＡＬＣ２６２在ＱＵＡＮＴＡ　ＧＤ１笔记本电脑中的典型应用电路图

+5VA

R338

C820

12P_4

C382

0.1U_4

C383

10U/6.3V_8

20K/F_4

AGND

音频减震

R3530_6

R441

R438

R439

R440

*0_4

*0_4

*0_4

*0_4

AGND

T172

HPOUT_R

HPOUT_L

AGND

AGND

AZ_GPIO1

4

8

4

7

4

6

4

5

4

4

4

3

4

2

3

8

4

0

3

7

4

1

U20

VCC3

C386

C387

0.1U_4

10U/6.3V_8

3

9

C815

12P_4

AGND

LINE-OUT-R

LINE-OUT-L

C816

12P_4

AGND

C388

C389

1U/6.3V_6

1U/6.3V_6

LINEOUT_R

LINEOUT_L

S

P

D

I

F

O

E

A

P

D

/

S

P

D

I

F

I

D

M

I

C

-

C

L

K

N

C

G

P

I

O

1

G

P

I

O

0

A

V

S

S

2

A

V

D

D

2

J

D

R

E

F

M

O

N

O

-

O

U

T

1

2

3

4

5

6

7

8

9

10

11

12

H

P

-

O

U

T

-

R

H

P

-

O

U

T

-

L

T170

T171

HDA_BITCLK0

HighenableHP

HDA_SDOUT0

R16

*22_4

HDA_SDIN0

HDA_SYNC0

HDA_RST#0

C284

*10P_4

R34233_4

VCC3

C3920.1U_4

0928EMI

DVDD-CORE

GPIO2/DMIC-DATA

GPIO3

DVSS

SDATA-OUT

BCLK

DVSS

SDATA-IN

DVDD-IO

SYNC

RESET#

PCBEEP

ALC262

LINE-OUT-R

LINE-OUT-L

SENSEB

DCVOL

MIC1-VREFO-R

LINE2-VREFO

MIC2-VREFO

LINE1-VREFO

MIC1-VREFO-L

VREF

AVSS1

AVDD1

36

35

34

33

32

31

30

29

28

27

26

25

C813

12P_4

AGND

C814

12P_4

R709AGND10K_4

+5VA

Standby DePOP

C397

AGND

10U/6.3V_8

+5VA

AGND

S

E

N

S

E

A

L

I

N

E

2

-

L

L

I

N

E

2

-

R

M

I

C

2

-

L

M

I

C

2

-

R

C

D

-

L

C

D

-

G

N

D

C

D

-

R

M

I

C

1

-

L

M

I

C

1

-

R

L

I

N

E

1

-

L

L

I

N

E

1

-

R

C394

10U/6.3V_8

C395

0.1U_4

PCSPK

R34515K/F_4

R344

1K/F_4

1

3

1

4

1

5

1

6

1

7

1

8

1

9

2

0

2

1

2

2

2

3

2

4

0319 Andrew_change from 10K to 4.7K

MIC-JD

C399

*0.1U_4

R98

HP-JD

10K_4

C811

12P_4

R346

R347

ALC262-VC2-GR

20K/F_4

AGND

MIC1-RC390

C393

C817

12P_4

AGND

C818

12P_4

AGND

2.2U/10V_8

2.2U/10V_8

R433

4.7K_6

C819

12P_4

AU3

AU4

R429

R430

R434

4.7K_6

20K_6

20K_6

MIC1_IN_R

MIC1_IN_L

39.2K/F_4

C310

C311

SENSEA

MIC1-L

MIC2_L

SENSEA

MIC2_R

1U/6.3V_6

1U/6.3V_6

AGNDAGND

R435

4.7K/F_6

AGND

AGND

GMLB-160808-0100A-N8

MIC2_IN2R1460_6MIC2_IN1

C405

220p/50V_4

L4

C400

220p/50V_4

+5VA

R3610_6R3670_6

AGND

CON10

AGND

0319 Andrew_change from 200p to 220p

GMLB-160808-0100A-N8

L3

1

2

3

4

MIC-ACS(87213-0400G)

1

2

3

4

模拟ＭＩＣ接口

0322 Andrew_add AMP for NEO demand

+5VA

R42

2.2K/F_4

R143

MIC2_IN1

*0_6

C58

R144

0.1U_4

C57

R140

4.7K_4

AGND

220p/50V_4

AGNDAGND

100/F_4

U9

AGND

C406

220p/50V_4

C407

220p/50V_4

5

6

2

BIAS

IN

GND

VCC

SHDN

OUT

4

1

3

MIC2_IN2AGND

C56

0.1U_4

MAX9812H

2024年5月11日发(作者：羊舌巍然)

ＡＬＣ２６２

　　　　ＡＬＣ２６２是一款符合英特尔的”高清晰度”音频技术的音频控制芯片。它采用双通道数／模转换器和模／数转换

器，编解码器可提供立体声２４位分辨率，并且取样率可高达１９２ｋＨｚ。ＡＬＣ２６２在联想天逸Ｆ５０、ＱＵＡＮＴＡ　Ｇ１笔记本电

脑中均有采用。

　　　　ＡＬＣ２６２的内部电路框图

0Eh

PCM-OUT

03h

02h

M

M

M

M

M

M

/2

VOL

MONO

LOUT2

LOUT1

MONO

SRC

SRC

DAC

DAC

0Dh

0Ch

VOL

VOL

M

O

MONO-OUT

HP-OUT(Port-A)

LINT-OUT(Port-D)

BEEP-IN

1Dh

CD-IN

1Ch

14h

15h

16h

PCM-OUT

LOUT1

LOUT2

Boost

LOUT1

LOUT2

Boost

M

I/O

A

M

I/O

A

Digital Interface

1

0Bh

Parameters

09h

SRC

M

VOL

VOL

VOL

VOL

VOL

VOL

22h

M

M

M

M

M

M

BEEP Gen

LOUT1

LOUT2

Boost

LOUT1

LOUT2

Boost

LOUT1

M

I/O

A

1Bh

LINE2(Port-E)

PCM-IN

ADCVOL

M

M

M

M

M

M

M

M

M

M

M

1Ah

I/O

LINE1(Port-C)

19h

PCM-IN

08h

SRCADCVOL

M

M

M

M

M

M

M

M

M

M

23h

LOUT2

Boost

LOUT1

M

I/O

A

MIC2(Port-F)

MIC1(Port-B)

18h

PCM-IN

07h

SRCADCVOL

M

M

M

M

M

M

M

M

M

24h

LOUT2

Boost

M

I/O

O

A

:Output w/ Amplifier

06h

S/PDIF-OUT

0Ah

S/PDIF-IN

Digital Converter

Digital Converter

S/PDIF-OUT

S/PDIF-IN

1Eh

1Fh

Volume

Knob

Up/Down

Mute

21h

　　　　ＡＬＣ２６２的针脚封装图

MONO-OUT

AVDD2

(PORT-A-L)

HP-OUT-L

JDREF

(PORT-A-R)

HP-OUT-R

AVSS2

GPIO0

GPIO1

NC

NC

SPDIFI/EAPD

SPDIFO

37

38

39

40

41

42

43

44

45

46

47

48

3635343332313

24

23

22

21

20

ALC262 Series

19

18

17

16

LLLLLLL TXXXVV

15

14

13

2

1112

0

LINE1-R

(PORT-C-R)

LINE1-L

(PORT-C-L)

MIC1-R

(PORT-B-R)

MIC1-L

(PORT-B-L)

CD-R

CD-GND

CD-L

MIC2-R

(PORT-F-R)

MIC2-L

(PORT-F-L)

LINE2-R

(PORT-E-R)

LINE2-L

(PORT-E-L)

Sense A

ALC882

Figure 3. Pin Assignments

　　　　ＡＬＣ２６２在ＱＵＡＮＴＡ　ＧＤ１笔记本电脑中的典型应用电路图

+5VA

R338

C820

12P_4

C382

0.1U_4

C383

10U/6.3V_8

20K/F_4

AGND

音频减震

R3530_6

R441

R438

R439

R440

*0_4

*0_4

*0_4

*0_4

AGND

T172

HPOUT_R

HPOUT_L

AGND

AGND

AZ_GPIO1

4

8

4

7

4

6

4

5

4

4

4

3

4

2

3

8

4

0

3

7

4

1

U20

VCC3

C386

C387

0.1U_4

10U/6.3V_8

3

9

C815

12P_4

AGND

LINE-OUT-R

LINE-OUT-L

C816

12P_4

AGND

C388

C389

1U/6.3V_6

1U/6.3V_6

LINEOUT_R

LINEOUT_L

S

P

D

I

F

O

E

A

P

D

/

S

P

D

I

F

I

D

M

I

C

-

C

L

K

N

C

G

P

I

O

1

G

P

I

O

0

A

V

S

S

2

A

V

D

D

2

J

D

R

E

F

M

O

N

O

-

O

U

T

1

2

3

4

5

6

7

8

9

10

11

12

H

P

-

O

U

T

-

R

H

P

-

O

U

T

-

L

T170

T171

HDA_BITCLK0

HighenableHP

HDA_SDOUT0

R16

*22_4

HDA_SDIN0

HDA_SYNC0

HDA_RST#0

C284

*10P_4

R34233_4

VCC3

C3920.1U_4

0928EMI

DVDD-CORE

GPIO2/DMIC-DATA

GPIO3

DVSS

SDATA-OUT

BCLK

DVSS

SDATA-IN

DVDD-IO

SYNC

RESET#

PCBEEP

ALC262

LINE-OUT-R

LINE-OUT-L

SENSEB

DCVOL

MIC1-VREFO-R

LINE2-VREFO

MIC2-VREFO

LINE1-VREFO

MIC1-VREFO-L

VREF

AVSS1

AVDD1

36

35

34

33

32

31

30

29

28

27

26

25

C813

12P_4

AGND

C814

12P_4

R709AGND10K_4

+5VA

Standby DePOP

C397

AGND

10U/6.3V_8

+5VA

AGND

S

E

N

S

E

A

L

I

N

E

2

-

L

L

I

N

E

2

-

R

M

I

C

2

-

L

M

I

C

2

-

R

C

D

-

L

C

D

-

G

N

D

C

D

-

R

M

I

C

1

-

L

M

I

C

1

-

R

L

I

N

E

1

-

L

L

I

N

E

1

-

R

C394

10U/6.3V_8

C395

0.1U_4

PCSPK

R34515K/F_4

R344

1K/F_4

1

3

1

4

1

5

1

6

1

7

1

8

1

9

2

0

2

1

2

2

2

3

2

4

0319 Andrew_change from 10K to 4.7K

MIC-JD

C399

*0.1U_4

R98

HP-JD

10K_4

C811

12P_4

R346

R347

ALC262-VC2-GR

20K/F_4

AGND

MIC1-RC390

C393

C817

12P_4

AGND

C818

12P_4

AGND

2.2U/10V_8

2.2U/10V_8

R433

4.7K_6

C819

12P_4

AU3

AU4

R429

R430

R434

4.7K_6

20K_6

20K_6

MIC1_IN_R

MIC1_IN_L

39.2K/F_4

C310

C311

SENSEA

MIC1-L

MIC2_L

SENSEA

MIC2_R

1U/6.3V_6

1U/6.3V_6

AGNDAGND

R435

4.7K/F_6

AGND

AGND

GMLB-160808-0100A-N8

MIC2_IN2R1460_6MIC2_IN1

C405

220p/50V_4

L4

C400

220p/50V_4

+5VA

R3610_6R3670_6

AGND

CON10

AGND

0319 Andrew_change from 200p to 220p

GMLB-160808-0100A-N8

L3

1

2

3

4

MIC-ACS(87213-0400G)

1

2

3

4

模拟ＭＩＣ接口

0322 Andrew_add AMP for NEO demand

+5VA

R42

2.2K/F_4

R143

MIC2_IN1

*0_6

C58

R144

0.1U_4

C57

R140

4.7K_4

AGND

220p/50V_4

AGNDAGND

100/F_4

U9

AGND

C406

220p/50V_4

C407

220p/50V_4

5

6

2

BIAS

IN

GND

VCC

SHDN

OUT

4

1

3

MIC2_IN2AGND

C56

0.1U_4

MAX9812H