MAX9879 Ver la hoja de datos (PDF) - Maxim Integrated

Número de pieza

componentes Descripción

Fabricante

MAX9879

Stereo Class D Audio Subsystem with DirectDrive Headphone Amplifier

Maxim Integrated 

MAX9879

Stereo Class D Audio Subsystem

with DirectDrive Headphone Amplifier

Typical Application Circuit

1.7V TO 3.6V

2.7V TO 5.5V

C2

1μF

0.1μF

1μF

C3

C3

1μF

1μF

C1N B1

C1

1μF

C1P A1

VSS

C1

CHARGE

PUMP

VCCIO

E6

1μF

INA2 E4

INA1 D4

1μF

1μF

INB2 E3

CONNECT TO VCCIO FOR

INB1

1μF

D3

NORMAL OPERATION

SHDN

E5

BIAS

D2

1μF

D6

SDA

SCL

D5

BASEBAND

RECEIVER

AMPLIFIER

10Ω RXIN+ B4

10Ω RXIN- B2

INPUT A

0dB/+5.5dB/+20dB

INPUT B

0dB/+5.5dB/+20dB

I2C

CONTROL

VDD

E2

PVDDL

A3

PVDDR

B6

MAX9879

-75dB TO 0dB

+3dB

+3dB

-75dB TO 0dB

E1 HPR

D1 HPL

-75dB TO 0dB

+6dB

-75dB TO 0dB

BYPASS

CLASS D

MODULATOR

+12dB

CLASS D

MODULATOR

+12dB

C6 OUTR+

A6 OUTR-

A4 OUTL+

A2 OUTL-

C2, C3, C4, C5 A5, B5

B3

GND

PGNDR

PGNDL

PROCESS: BiCMOS

Chip Information

30

Maxim Integrated

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