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TDA7406T

THREE BANDS DIGITALLY CONTROLLED AUDIO PROCESSOR

STMicroelectronics 

TDA7406T

CAR RADIO SIGNAL PROCESSOR

Audio processor:

s 4 STEREO INPUTS

s 4 MONO INPUTS

s VOLUME CONTROL

s 7 BAND EQUALIZER FILTER CONTROL

s HIGH PASS FILTER FOR SUBWOOFER

APPLICATION

s DIRECT MUTE AND SOFT MUTE

s INTERNAL BEEP GENERATION

s 4 INDEPENDENT SPEAKER OUTPUTS

s SOFT STEP SPEAKER CONTROL

s SUBWOOFER OUTPUT

s 7 BAND SPECTRUM ANALYZER

s FULL MIXING CAPABILITY

s PAUSE DETECTOR

Stereo decoder:

s RDS MUTE

s NO EXTERNAL ADJUSTMENTS

s AM/FM NOISEBLANKER WITH SEVERAL

TRIGGER CONTROLS

s PROGRAMMABLE MULTIPATH DETECTOR

PIN CONNECTION (Top view)

TQFP44

ORDERING NUMBER: TDA7406T

s QUALITY DETECTOR OUTPUT

Digital control:

s I2C-BUS INTERFACE

DESCRIPTION

The device includes a high performance audio pro-

cessor with 7 bands equalizer and spectrum analyzer

plus a stereo decoder-noiseblanker. The whole low

frequency signal processing necessary for state-of-

the-art as well as future car radios is therefore provid-

ed. The digital control allows a full programming not

only of the audioprocessor and filter characteristics

but also in the stereodecoder part especially for the

adaptation to different IF-devices.

April 2001

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