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TDA7338

STEREO DECODER

STMicroelectronics 

TDA7338

STEREO DECODER

1 FEATURES

■ INTEGRATED 19KHz SC NOTCH FILTERFOR

PILOT CANCELLATION

■ ON CHIP FILTER FOR PILOT DETECTOR

AND PLL

■ ADJUSTMENT FREE VOLTAGE

CONTROLLED OSCILLATOR

■ AUTOMATIC PILOT DEPENDENT MONO/

STEREO SWITCHING

■ NOISE BLANKING WITH PROGRAMMABLE

THRESHOLD

■ HIGH CUT CONTROL AND STEREO BLEND

INTEGRATED HIGH PASS FILTER FOR

INTERFERENCE DETECTOR

■ LEVEL INPUT FOR ADDITIONAL SPIKE

DETECTION ON FIELDSTRENGHT SIGNAL

■ VERY HIGH SUPPRESSION OF HARMONIC

AND INTERFERENCE SIGNALS

Figure 2. reached.Block Diagram

Figure 1. Package

SO20

Table 1. Order Codes

Part Number

TDA7338D

TDA7338D013TR

Package

SO20

SO20 in Tape & Reel

2 DESCRIPTION

The TDA7338 is a new concept of monolithic inte-

grated stereo decoder with noise blanking for FM

car radio applications. With the used BICMOS

technique, the 19KHz Notch Filter, the PLL Filter

and Phase Filter is realized on the chip with a

Switched Capacitor concept. Avoiding the use of

multipliers and non linear circuits a very high per-

formance in terms of noise suppression and total

harmonic distortion is

April 2005

Rev. 9

1/12

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