TDA7419 Datasheet, PDF (1/30 Pages) STMicroelectronics – 3 BAND CAR AUDIO PROCESSOR

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
Mix
Softstep
MonoFader
HPF
Mix
Softstep
MonoFader
Softstep
MonoFader
Softstep
MonoFader
Softstep
MonoFader
OUTLF
OUTRF
OUTLR
OUTRR
OUTSW/
OUTLR2
MIX/
OUTSW/
OUTRR2
SUPPLY
DIGITAL CONTROL I²C BUS
VDD GND CREF VREFOUTF
March 2005
SCL SDA
AC2INL/
SE3L
AC2INR/
SE3R
Rev. 2
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