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TDA7336

ST Microelectronics
Part Number TDA7336
Manufacturer ST Microelectronics
Description STEREO PREAMP+ AMS+ DOLBY B* NOISE REDUCTION PROCESSOR
Published Apr 23, 2005
Detailed Description ® TDA7336 STEREO PREAMP + AMS + DOLBY B* NOISE REDUCTION PROCESSOR DUAL CHANNEL PROCESSOR FOR PLAYBACK APPLICATIONS. S...
Datasheet PDF File TDA7336 PDF File

TDA7336
TDA7336

Overview
® TDA7336 STEREO PREAMP + AMS + DOLBY B* NOISE REDUCTION PROCESSOR DUAL CHANNEL PROCESSOR FOR PLAYBACK APPLICATIONS.
STEREO DOLBY B NR SYSTEM LOW NOISE HEAD PREAMPLIFIER MUTE, AMS (AUDIO MUSIC SENSOR) FUNCTIONS INTERNAL SWITCHES FOR EQUALIZATION DOLBY REFERENCE LEVEL -6dBm (388.
2mVRMS) MINIMUM NUMBER OF EXTERNAL COMPONENTS LOW SUPPLY CURRENT (18mA) MIXED BIPOLAR/CMOS TECHNOLOGY DESCRIPTION The TDA7336 is a monolithic BICmos IC designed for use in stereo cassette player systems.
The device includes two separate audio channels composed by low noise preamplifier, Dolby B noise reduction system and Audio Music Sensor.
The dual preamplifier contains mute, metal/normal facilities for amplification of low level signal in applications requiring very low noise performances.
Each channel consists of two cascaded operational amplifiers.
The first one, AMP1, has a fixed gain of 36dB, and allows magnetic heads connection directly to ground.
The second one, AMP2, is a standard operational amplifier whose equalizing external components fix the frequency response.
The Audio Music Sensor circuit detects the interprogram space and then the starting point of musical programs (the interprogram time and program detection time are externally selectable).
The device contains Dolby B decoder NR chains requiring very few external components and do not require coils.
* Dolby B and the Double-D symbol are trademarks of Dolby Laboratories Licensing Corporation, San Francisco, California 94103-4813, USA.
This device is available only to Licensing and application information may be obtained from Dolby Lab.
November 1999 SO28 ORDERING NUMBER: TDA7336 PIN CONNECTION (Top view) GND INL EQLI EQLO OUTL DINL AMS SW INTP INTS MUTE TCL DOUTL IREF N.
C.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 D94AU052 28 27 26 25 24 23 22 21 20 19 18 17 16 15 EQ.
SW INR EQRI EQRO OUTR DINR GND DIG AMSOUT AMSGin NR SW TCR DOUTR VREF Vs 1/20 TDA7336 ABSOLUTE MAXIMUM RATINGS Symbol VS Ptot Top Tstg Supply Voltage Total Pow...


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