P-DSO-20-1

Semiconductor Group

1

04.96

Stereo Decoder/Noise Blanker

TDA 4340X

1

Overview

1.1

Features

• Internal reference voltage source

• Adjustment free oscillator with

ceramic resonator 456 kHz

• Pilot dependent mono/stereo switching with

hysteresis

• Stereo indicator output

• Analogue control of mono/stereo change over (stereo noise control, SNC)

• Pilot canceller (19 kHz)

• Adjacent channel noise suppression (114 kHz)

• MUTE facility

• Analogue control of deemphasis (high cut control, HCC).

• Stereo inputs for additional signal source at output amplifiers

• Interference noise detector with integrated high-pass filter

• (IF level signal or MPX input)

• MPX input low-pass filter

• Noise blanking at MPX demodulator outputs

• Input and output level adjustable (resistor values)

1.2

Application

The TDA 4340X is an integrated circuit providing the stereo decoder function and noise

blanking for FM car radio applications.

Type

Ordering Code

Package

TDA 4340X

Q67000-A5058

P-DSO-20-1