TDA7409

TDA7409 CARRADIO-SIGNAL-PROCESSOR s s s s s s s 4 STEREO INPUTSSOFTSTEP-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 SO20 ORDERING NUMBER: TDA7409D DESCRIPTION The TDA7409 is a high performance signal processor specificall designed for car radio applications. The device includes a high performance audioprocessor 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 BICMOSBLOCK DIAGRAM process and a linear signal processing low distortion and low noise are obtained. MUTE SE1L SE1R SE2L SE2R SE3L SE3R SE4L SE4L INPUT MULTIPLEXER MONO/ BEEP GAIN/ AUTO ZERO MIXING STAGE LOUDNESS VOLUME SOFT MUTE TREBLE BASS MONO FADER MONO FADER MONO FADER MONO FADER MONO FADER MONO FADER ZERO CROSS OUTLF OUTRF OUTLR OUTRR SWL SWR BEEP GND VREF VS SUPPLY DIGITAL CONTROL I2C-BUS SCL SDA D00AU1178 September 2003 1/25 TDA7409 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. 9 20 60 Max. 10.5 Unit V mA dB THERMAL DATA Symbol Parameter Value 85 Unit °C/W RTh j-pins Thermal Resistance Junction-pins max ABSOLUTE MAXIMUM RATINGS Symbol Vs Tamb Tstg Operating Supply Voltage Operating Temperature Range Storage Te...