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 Figure 1. Package SO-28 Table 1. Order Codes Part Number TDA7419 TDA7419TR Package SO-28 SO-28 in Tape & Reel ■ ■ 2 DESCRIPTION The TDA7419 is a high performance signal processor specifically designed for car radio applicati***. The device includes a high performance audioproFigure 2. Block Diagram SAOUT S***K MUTE 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/ AC2OUTL ACOUTR/ AC2OUTR ACINL/ FI*** ACINR/ FILOR Spectrum Analyzer DIFFL DIFFG DIFFR SE1L INPUT Softstep MonoFader InGain AutoZero Loudness SoftMute Softstep Volume HPF Treble Middle Bass Mix OUTLF Softstep MonoFader HPF Mix OUTRF SE1R SE2L SE2R MULTIPLEXER Softstep MonoFader OUTLR Softstep MonoFader OUTRR OUTSW/ OUTLR2 MIX/ OUTSW/ OUTRR2 Subwoofer LPF Softstep MonoFader Softstep MonoFader SUPPLY DIGITAL CONTROL I2C BUS VDD GND CREF VREFOUTF SCL SDA AC2INL/ SE3L AC2INR/ SE3R March 2005 Rev. 2 1/30 TDA7419 Table 2. Supply Symbol Vs Is SVRR Parameter Supply Voltage Supply Current Ripple Rej……
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