MAX9775(2008) 查看數據表（PDF） - Maxim Integrated

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MAX9775
(Rev.:2008)

2 x 1.5W, Stereo Class D Audio Subsystem with DirectDrive Headphone Amplifier

Maxim Integrated 

2 x 1.5W, Stereo Class D Audio Subsystem

with DirectDrive Headphone Amplifier

Typical Application Circuits

VDD

VDD

C2

1μF

1μF

C1N 13 (A4)

CPVSS VSS

15 (A5) 17 (B5)

VDD

21 (D6)

10kΩ

C1

1μF

VDD

C3

1μF

CPGND 12 (A3)

C1P 10 (A2)

CHARGE

PUMP

CPVDD 9 (A1)

1μF

INA1 30 (E3)

INA2 27 (E4)

INPUT A: 0dB,

6dB, OR 20dB

1μF

1μF

INB1 24 (E5)

INB2 22 (D5)

INPUT B: 0dB

OR 6dB

1μF

1μF

INC1 14 (B4)

INC2 19 (C5)

INPUT C: 0dB

OR 6dB

1μF

VBIAS

11 (B3)

1μF

INPUT

MIXER

RIGHT

VOLUME

LEFT

VOLUME

OUTPUT

MIXER

MONO

VOLUME

0.1μF

1μF

PVDD

1 (F1)

DirectDrive

3dB

3dB

3dB

16 (A6) HPL

18 (B6) HPR

20 (C6) OUTRx

MAXIM 3D

SOUND

12dB

CLASS D

AMPLIFIER

5 (C1) OUTL+

2 (E1) OUTL-

12dB

CLASS D

AMPLIFIER

28 (F4) OUTR+

31 (F2) OUTR-

6 (C2)

SDA

3 (D2)

SCL

32 (E2)

SHDN

I2C CONTROL

MAX9775

3D CIRCUIT

25 (F6)

GND

4 (D1) 29 (F3)

PGND

PGND

23 (E6)

CR_L

2.2nF

26 (F5)

CR_H

22nF

7 (B1)

CL_L

2.2nF

8 (B2)

CL_H

22nF

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