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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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TDA7437 Fiches technique(PDF) 1 Page - STMicroelectronics |
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TDA7437 Fiches technique(HTML) 1 Page - STMicroelectronics |
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1 / 23 page  TDA7437 DIGITALLY CONTROLLED AUDIO PROCESSOR INPUT MULTIPLEXER - FOUR STEREO, ONE MONO INPUT, AND ONE DIFFERENTIAL INPUT - SELECTABLE INPUT GAIN FOR OPTIMAL ADAPTATION TO DIFFERENT SOURCES FULLY PROGRAMMABLE LOUDNESS FUNCTION VOLUME CONTROL IN 1dB STEPS INCLUD- ING GAIN UP TO 16dB ZERO CROSSING MUTE, SOFT MUTE AND DIRECT MUTE BASS AND TREBLE CONTROL FOUR SPEAKER ATTENUATORS - FOUR INDEPENDENT SPEAKERS CONTROL IN 1dB STEPS FOR BALANCE AND FADER FACILITIES PAUSE DETECTOR PROGRAMMABLE THRESHOLD ALL FUNCTIONS PROGRAMMABLE VIA SE- RIAL I 2 CBUS DESCRIPTION The audioprocessor TDA7437 is an upgrade of the TDA731X audioprocessor family. Due to a highly linear signal processing, using CMOS-switching techniques instead of standard bipolar multipliers, very low distortion and very low noise are obtained. Several new features like softmute, and zero-crossing mute are imple- mented. The soft Mute function can be activated in two ways: 1 Via serial bus (Mute byte, bit D0) 2 Directly on pin 28 through an I/O line of the microcontroller Very low DC stepping is obtained by use of a BICMOS technology. December 1999 ORDERING NUMBERS: TDA7437 (PQFP44) TDA7437T (TQFP44) PQFP44 and TQFP44 1 2 3 5 6 4 7 8 9 10 17 11 18 19 20 21 22 44 43 42 41 39 40 38 37 36 35 34 28 27 26 24 23 25 33 32 31 29 30 DIFF_R DIFFGND_R LOUD_R IN_R TREB_R MUXOUT_R MONO STEREO3_R STEREO2_R STEREO4_R STEREO1_R SMEXT BASS_RO BASS_RI BASS_LI MID_LO BASS_LO OUT_RF OUT_LR MID_RI OUT_RR MID_RO D96AU435A 12 13 14 15 16 PIN CONNECTION ® 1/23 |
Numéro de pièce similaire - TDA7437 |
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Description similaire - TDA7437 |
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