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TDA7429L Datasheet 3 BAND EQUALIZER AUDIO PROCESSOR

Manufacturer: STMicroelectronics

General Description

The TDA7429L is volume tone (bass middle and treble) balance (Left/Right) processors for quality audio applications in TV and Hi-Fi systems, providing also Figure 1.

Test Circuit 2.2µF BASSO_R L+R OUTPUT N.C.

N.C.

Overview

TDA7429L 3 BAND EQUALIZER AUDIO PROCESSOR WITH SUBWOOFER CONTROL s s s 3 STEREO INPUTS AUXILIARY MONO INPUT INPUT ATTENUATION CONTROL IN 0.5dB STEP TREBLE MIDDLE AND BASS CONTROL FOUR SPEAKERS ATTENUATORS: - 4 INDEPENDENT SPEAKERS CONTROL IN 1dB STEPS FOR BALANCE FACILITY - INDEPENDENT MUTE FUNCTION SUBWOOFER OUTPUT (L+R) CONTROLLED IN 1dB STEP INPUTS ALL FUNCTIONS PROGRAMMABLE VIA SERIAL BUS an additional subwoofer control.

The AC signal setting is obtained by resistor networks and switches combined with operational amplifiers.

Thanks to the used BIPOLAR/CMOS Technology, Low Distortion, Low Noise and DC stepping are obtained.