7429 Datasheet (STMicroelectronics) - 3 BAND EQUALIZER AUDIO PROCESSOR

7429, 3 BAND EQUALIZER AUDIO PROCESSOR

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.

LP 100nF 9 1 2 3 4 7 5 34 33 42 35 14 VAR_R 13 BASSO_L 12 2.2 µF 0.47µ

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 co