TDA7409 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

比赛名单

TDA7409

CARRADIO-SIGNAL-PROCESSOR

STMicroelectronics 

TDA7409

CARRADIO-SIGNAL-PROCESSOR

s 4 STEREO INPUTSSOFTSTEP-VOLUME

s BASS, TREBLE AND LOUDNESS CONTROL

s DIRECT MUTEAND SOFTMUTE

s INTERNAL BEEP

s FOUR INDEPENDENT SPEAKER-OUTPUTS

s SUBWOOFER STEREO OUTPUT

s DIGITAL CONTROL:

q I2C-BUS INTERFACE

q AUDIO-FILTER CHARACTERISTICS

PROGRAMMABLE

DESCRIPTION

The TDA7409 is a high performance signal proces-

sor specificall designed for car radio applications.

The device includes a high performance audiopro-

cessor with fully integrated audio filters. The digital

control allows a programming in a wide range of all

the filter characteristics. By the use of a BICMOS-

BLOCK DIAGRAM

SO20

ORDERING NUMBER: TDA7409D

process and a linear signal processing low distortion

and low noise are obtained.

MUTE

SE1L

SE1R

SE2L

SE2R

SE3L

SE3R

SE4L

SE4L

GND

VREF

VS

GAIN/

AUTO

ZERO

INPUT

MULTIPLEXER

MONO/

BEEP

MIXING

STAGE

LOUDNESS VOLUME

BEEP

SOFT

MUTE

TREBLE

BASS

MONO

FADER

MONO

FADER

MONO

FADER

MONO

FADER

MONO

FADER

MONO

FADER

ZERO

CROSS

SUPPLY

DIGITAL CONTROL I2C-BUS

D00AU1178

OUTLF

OUTRF

OUTLR

OUTRR

SWL

SWR

SCL

SDA

September 2003

1/25

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