TDA4340X Datasheet, PDF (1/15 Pages) Siemens Semiconductor Group – Stereo Decoder/Noise Blanker

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
P-DSO-20-1
• 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)
Type
TDA 4340X
Ordering Code
Q67000-A5058
Package
P-DSO-20-1
1.2 Application
The TDA 4340X is an integrated circuit providing the stereo decoder function and noise
blanking for FM car radio applications.
Semiconductor Group
1
04.96