TDA7404D Datasheet, PDF (1/26 Pages) STMicroelectronics – CARRADIO-SIGNAL-PROCESSOR

TDA7404D
CARRADIO-SIGNAL-PROCESSOR
s 4 STEREO INPUTS
s 1 MONO INPUTS
s SOFTSTEP-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 TDA7404D is a high performance signal proces-
sor specificall designed for car radio applications.
The device includes a high performance audiopro-
BLOCK DIAGRAM
SO28
ORDERING NUMBER: TDA7404D
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-
process and a linear signal processing low distortion
and low noise are obtained.
DiffinL
Diffgnd
DiffinR
SE1L
SE1R
SE2L
SE2R
SE3L
SE3R
Mono+
Mono -
July 2003
MIX
Mono/Beep
Beep
Supply
Gnd Vref Vcc
Digital Control I²C-Bus
Zero Cross
Mono Fader
Mono Fader
Mono Fader
Mono Fader
Out LF
Out RF
Out LR
Out RR
Mono Fader
Mono Fader
SW L
SW R
SCL
SDA
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