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TDA7462 Arkusz danych(PDF) 1 Page - STMicroelectronics |
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TDA7462 Arkusz danych(HTML) 1 Page - STMicroelectronics |
1 / 25 page FULLY INTEGRATED AUDIOPROCESSOR 5 STEREO + 1 MONO INPUTS FOUR INDEPENDENT SPEAKER OUTPUTS DYNAMIC COMPRESSION STAGE FOR CD SUBWOOFER OUTPUT SOFTSTEP FEATURE FOR VOLUME VOICE-BAND FILTER DIRECT MUTE AND SOFTMUTE PAUSE DETECTOR FULLY PROGRAMMABLE BY I 2C BUS IN- TERFACE DESCRIPTION The TDA7462 is a high performance audioproc- essor with fully integrated audio filters. The digi- tal control allows the programming of all filter characteristics in a wide range without the need of external components. New innovative features are included , a dynamic compression stage to optimize audio response of CD sources an addi- tional output channel for subwoofer and a sepa- rate source selector for rear channel. The use of a dedicated BICMOS process makes signal proc- essing very linear thus achieving low distortion and low noise figures. November 2001 ® SUPPLY VOLUME CREF OUT LF D96AU864 I2C BUS BEEP VS PDL INPUT MULTIPLEXER + MIXING-STAGE PAUSE LOUDNESS SOFT MUTE BASS TREBLE VOICE-BANDPASS OUT RF OUT RR OUT RL SDA SCL MONO FADER DIGITAL CONTROL CD R+ PDR PDGND SE1L GND MUTE CD L+ SUBWOOFER OUT FRONT SELECTOR REAR SELECTOR CD L- CD R- SE1R SE2R SE2L MD+ MD- SEM/SE3L SE3R HP LP FRONT FADER FRONT FADER REAR FADER REAR FADER IN-GAIN + AUTO ZERO COMPANDER LOUDNESS IN-GAIN SUBWOOFER LP PAUSE DETECT. SUBOUT+ SUBOUT- 7 9 10 11 1 2 13 12 3 4 28 27 23 16 15 14 865 26 22 21 19 20 18 17 25 24 BLOCK DIAGRAM SO28 ORDERING NUMBER: TDA7462D TDA7462 DUAL AUDIOPROCESSOR WITH COMPANDER AND SUBWOOFER OUTPUT 1/25 |
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