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ST Microelectronics - 3 BAND CAR AUDIO PROCESSOR

Numéro de référence TDA7419
Description 3 BAND CAR AUDIO PROCESSOR
Fabricant ST Microelectronics 
Logo ST Microelectronics 





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TDA7419 fiche technique
( DataSheet : www.DataSheet4U.com )
TDA7419
3 BAND CAR AUDIO PROCESSOR
1 FEATURES
4 STEREO INPUTS
SOFT STEP VOLUME
BASS, MIDDLE, TREBLE AND LOUDNESS
DIRECT MUTE AND SOFTMUTE
FOUR INDEPENDENT SPEAKER OUTPUTS
SUB WOOFER OUTPUT
SOFT STEP SPEAKER/SUBWOOFER
CONTROL
7 BANDS SPECTRUM ANALYZER
DIGITAL CONTROL:
– I2C-BUS INTERFACE
2 DESCRIPTION
The TDA7419 is a high performance signal proces-
sor specifically designed for car radio applications.
The device includes a high performance audiopro-
Figure 2. Block Diagram
SAOUT SACLK
MUTE
Figure 1. Package
SO-28
Table 1. Order Codes
Part Number
TDA7419
TDA7419TR
Package
SO-28
SO-28 in Tape & Reel
cessor with fully integrated audio filters. The digital
control allows programming in a wide range of filter
characteristics. By the use of BICMOS-process and
linear signal processing low distortion and low noise
are obtained.
ACOUTL/ ACOUTR/ ACINL/ ACINR/
AC2OUTL AC2OUTR FILOL FILOR
Spectrum
Analyzer
DIFFL
DIFFG
DIFFR
SE1L
SE1R
SE2L
SE2R
InGain
AutoZero
INPUT
MULTIPLEXER
Loudness SoftMute
Softstep
Volume
Treble
Middle
Bass
Subwoofer
LPF
Softstep
MonoFader
HPF
Softstep
MonoFader
HPF
Softstep
MonoFader
Softstep
MonoFader
Softstep
MonoFader
Softstep
MonoFader
Mix
Mix
OUTLF
OUTRF
OUTLR
OUTRR
OUTSW/
OUTLR2
MIX/
OUTSW/
OUTRR2
SUPPLY
DIGITAL CONTROL I2C BUS
VDD GND CREF VREFOUTF
March 2005
www.DataSheet4U.com
SCL SDA
AC2INL/
SE3L
AC2INR/
SE3R
Rev. 2
1/30
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