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TDA7404D Datasheet Carradio-signal-processor

Manufacturer: STMicroelectronics

Overview: TDA7404D CARRADIO-SIGNAL-PROCESSOR s s s s s s s s s 4 STEREO INPUTS 1 MONO INPUTS SOFTSTEP-VOLUME BASS, TREBLE AND LOUDNESS CONTROL DIRECT MUTE AND SOFTMUTE INTERNAL BEEP FOUR INDEPENDENT SPEAKER-OUTPUTS SUBWOOFER STEREO OUTPUT DIGITAL CONTROL: 2 q I C-BUS INTERFACE q AUDIO-FILTER CHARACTERISTICS PROGRAMMABLE 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 BICMOSprocess and a linear signal processing low distortion and low noise are obtained.

General Description

The TDA7404D is a high performance signal processor specificall designed for car radio applications.

The device includes a high performance audioproBLOCK DIAGRAM ACOUTR ACOUTL MIX DiffinL Gain/Auto Zero Mixing Stage Loudness Soft Mute Diffgnd DiffinR SE1L SE1R Input Multiplexer SE2L SE2R SE3L SE3R Mono+ Mono Beep Digital Control I2C-Bus Mono Fader Mono Fader Volume Treble Bass Mono Fader Mono Fader Out LF Out RF Out LR Out RR ACINR ACINL MUTE MUX Mono Fader Mono Fader Zero Cross Mono/Beep SW L SW R SCL SDA Supply Gnd Vref Vcc July 2003 1/26 TDA7404D SUPPLY Symbol Vs Is SVRR Parameter Supply Voltage Supply Current Ripple Rejection @ 1KHz Vs = 9V Audioprocessor(all Filters flat) Test Condition Min.

7.5 Typ.

Key Features

  • Input Multiplexer 1 pseudo-differential stereo input (selectable single end stereo input) 3 single-end stereo inputs 1 differential mono input In-Gain 0..14dB, 1dB steps, 14..20dB, 2dB steps Auto Zero internal Beep with 3 frequencies 781Hz/1.56KHz/1.8KHz 4 step-mixing-stage with mono or beep as mix-signals second order frequenciy response programmable center frequency 15 x 1dB steps selectable low & high frequency boost selectable flat-mode (constant sttenuation) 1 dB attenuator 100dB range so.

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TDA7404D Distributor