Details, datasheet, quote on part number: TDA7430.31
PartTDA7430.31
Category
Description
CompanyN.A.
DatasheetDownload TDA7430.31 datasheet
  

 

Features, Applications
DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX AND VOICE CANCELLER

1 STEREO (4 STEREO) INPUT + 1 MIXER INPUT ATTENUATION CONTROL IN 0.5dB STEP VOICE CANCELLER IS AVAILABLE TREBLE MIDDLE AND BASS CONTROL THREE SURROUND MODES ARE AVAILABLE: - MUSIC: 4 SELECTABLE RESPONSES - MOVIE AND SIMULATED: 256 SELECTABLE RESPONSES 2 SPEAKER AND 2 RECORD ATTENUATORS: - 2 INDEPENDENT SPEAKERS AND 2 INDEPENDENT RECORD CONTROL IN 1dB STEP FOR BALANCE FACILITY - AVAILABILITY OF LOUDSPEAKER EQUALIZATION FIXED BY EXTERNAL COMPONENTS - INDEPENDENT MUTE FUNCTION ALL FUNCTIONS PROGRAMMABLE VIA SERIAL BUS DESCRIPTION The TDA7430/7431 are volume tone (bass middle and treble) balance (Left/Right) processors with PIN CONNECTIONS

HP1 HP2 VOUTREF VAR_L BASSO_L VAR_R BASSO_R BASS_LO BASS_LI BASS_RO BASS_RI MIDDLE_LO MIDDLE_LI MIDDLE_RO MIDDLE_RI

voice canceller for quality audio applications in car radio and Hi-Fi systems. They reproduce surround sound by using programmable phase shifters and a signal matrix. Control of all the functions is accomplished by serial bus. 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.

VS CREF NBRO NBRIN LPVC R_IN MIX L_IN NBLIN NBLO RECOUT_L RECOUT_R L_OUT R_OUT DIG_GND SCL SDA ADDR AGND TREBLE_L TREBLE_R


2.2µ F BASS-LO BASSO-L VAR-L 100nF 27 OFF R6 + MOVIE/ MUSIC OFF MOVIE/SIM BASS MIXING AMP TREBLE MIDDLE 3BAND SIM MUSIC REAR MUTE SURR REC ATT VAR 79dB CONTROL 79dB CONTROL + FIX SPKR ATT MUTE PS4 400Hz RECOUT-L 25 L-OUT I2 C BUS DECODER + LATCHES L-R 21 23 SCL SDA DIG GND LPF 9KHz SURR 3BAND VOICE ON OFF REAR SURR 44 LP TREBLE-R RB 12 MUTE 79dB CONTROL BASSO-R 9 8 VAR-R

50K EFFECT CONTROL MIXING AMP TREBLE MIDDLE BASS FIX VAR + MUTE REC ATT 79dB CONTROL SPKR ATT
5.6nF 100nF NB-LB NBLO 2.2µF VAR-L NBLIN 34 30K MIDDLE-LI MIDDLE-LO 4.7nF

PS1 90Hz OFF SURR REC ATT VAR REAR MUTE FIX 3BAND TREBLE BASS MIDDLE MIXING AMP 79dB CONTROL PS4 400Hz

+ LPF 9KHz SURR 3BAND OFF REAR Vref SURR MUTE 5 9 VOUTREF TREBLE-R 22 LP AGND CREF 16 79dB CONTROL BASSO-R BASS-RI 39 40 EFFECT CONTROL MIXING AMP TREBLE MIDDLE BASS FIX VAR + MUTE REC ATT 79dB CONTROL SPKR ATT



 

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