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TDA7336DN/a9avaiSTEREO PREAMP + AMS + DOLBY NOISE REDUCTION PROCESSOR


TDA7336D ,STEREO PREAMP + AMS + DOLBY NOISE REDUCTION PROCESSORAPPLICATIONS.STEREO DOLBY B NR SYSTEMLOW NOISE HEAD PREAMPLIFIERMUTE, AMS (AUDIO MUSIC SENSOR)FUNCT ..
TDA7338D ,STEREO DECODERELECTRICAL CHARACTERISTICS (continued)HIGH CUT CONTROLSymbol Parameter Test Condition Min. Typ. Max ..
TDA7338D ,STEREO DECODERTDA7338STEREO DECODERINTEGRATED 19KHz SC NOTCH FILTERFOR PILOT CANCELLATIONON CHIP FILTER FOR PILOT ..
TDA7338D ,STEREO DECODERELECTRICAL CHARACTERISTICS (V = 9V; modulation frequency: 1KHz; de-emphasis time:CCT = 50μs; nomina ..
TDA7338D ,STEREO DECODERBLOCK DIAGRAM AND TEST CIRCUIT1μF40.2KMPX 1nF 1nFPILOTMONO IND. VR VSB VHCCMPX IN HCL HCR20 19 18 1 ..
TDA7338D013TR ,STEREO DECODERELECTRICAL CHARACTERISTICS (continued)HIGH CUT CONTROLSymbol Parameter Test Condition Min. Typ. Max ..
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TDA7336D
STEREO PREAMP + AMS + DOLBY NOISE REDUCTION PROCESSOR
TDA7336
STEREO PREAMP + AMS + DOLBY B*
NOISE REDUCTION PROCESSOR
DUAL CHANNEL PROCESSOR FOR PLAY-
BACK 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 COMPO-
NENTS
LOW SUPPLY CURRENT (18mA)
MIXED BIPOLAR/CMOS TECHNOLOGY
DESCRIPTION

The TDA7336 is a monolithic BICmos IC de-
signed 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/nor-
mal facilities for amplification of low level signal in
applications requiring very low noise perform-
ances.
Each channel consists of two cascaded opera-
tional 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 op-
erational amplifier whose equalizing external
components fix the frequency response.
The Audio Music Sensor circuit detects the inter-
program space and then the starting point of mu-
sical programs (the interprogram time and pro-
gram 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 Li-
censing Corporation, San Francisco,
California 94103-4813, USA.
This device is available only to Licens-
ing and application information may be
obtained from Dolby Lab.

PIN CONNECTION (Top view)
ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
PIN FUNCTIONS

(2) Internal pull-up resistor (digital high level if pin left open)
TDA7336
Figure 1: Application Circuit
TDA7336

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Figure 1a: Components & Top Copper Layer of the Fig. 1 (1:1 scale).
Figure 1b: Bottom Copper Layer of the Fig. 1 (1:1 scale).
TDA7336
TEST CIRCUIT
TDA7336

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