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TDA7345 データシート(PDF) 1 Page - STMicroelectronics |
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TDA7345 データシート(HTML) 1 Page - STMicroelectronics |
1 / 18 page TDA7345 DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX 1 STEREO INPUT VOLUME CONTROL IN 1.25dB STEP TREBLE AND BASS CONTROL THREE SURROUND MODES ARE AVAIL- ABLE: – MOVIE, MUSIC AND SIMULATED FOUR SPEAKER ATTENUATORS: – 4 INDEPENDENT SPEAKERS CONTROL IN 1.25dB STEPS FOR BALANCE FACILITY – INDEPENDENT MUTE FUNCTION ALL FUNCTIONS PROGRAMMABLE VIA SE- RIAL BUS DESCRIPTION The TDA7345 is a volume tone (bass and treble) balance (Left/Right) processor for quality audio applications in car radio and Hi-Fi systems. It reproduces surround sound by using phase shifters and a signal matrix. Control of all the functions is accomplished by serial bus. The AC signal setting is obtained by resistor net- works and switches combined with operational amplifiers. Thanks to the used BIPOLAR/CMOS Technology, Low Distortion, Low Noise and DC stepping are obtained. November 1999 ® HP2 L-in BASS-LA BASS-LB TREBLE-L REC_OUT_R REC_OUT_L Lout Rout 1 3 2 4 5 6 7 8 9 AGND SCL SDA TREBLE-R DIG GND BASS-RB BASS-RA R-in REAR OUT 23 22 21 20 19 17 18 16 15 D94AU191A 10 11 12 13 14 28 27 26 25 24 CREF PS2 PS1 LP1 HP1 REAR IN LP PS4 PS3 Vs PIN CONNECTION ORDERING NUMBER: TDA7345D SO28 1/18 |
同様の部品番号 - TDA7345 |
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同様の説明 - TDA7345 |
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