TDA7336

Features:

*DUAL CHANNEL PROCESSOR FOR PLAY-
  BACK APPLICATIONS.
*STEREODOLBY B NR SYSTEM
*LOWNOISE HEAD PREAMPLIFIER
*MUTE, AMS (AUDIO MUSIC SENSOR)
   FUNCTIONS
*INTERNAL SWITCHES FOR EQUALIZATION
*DOLBY REFERENCE LEVEL -6dBm
   (388.2mVRMS)
*MINIMUM NUMBER OF EXTERNAL COMPO-
   NENTS
*LOWSUPPLY CURRENT (18mA)
*MIXED BIPOLAR/CMOSTECHNOLOGY


Pinout




Specifications

Symbo	Parameter	Value	Unit
VS	Supply Voltage	12	V
Ptot	Total Power Dissipation	1	W
Top	Operating Temperature Range	-40 to 85	°C
Tstg	Storage Temperature Range	-40 to 150	°C

Description

The TDA7336 is a monolithic BICmos IC de- signed for use in stereo cassette player systems.

The TDA7336 includes two separate audio channels composed by low noise preamplifier, Dolby B noise reduction systemand 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 detectiontime are externally selectable).

The TDA7336 contains Dolby B decoder NR chains requiring very few external components and do not require coils.