Datasheet Summary
Ordering number: EN5421
Monolithic Linear IC
LA8518NM Signal Processor for Cordless Telephone Base Sets
Functions
Speech network block c 2-wire/4-wire conversion c Line driver c Transmitting amplifier c Receiving amplifier (with ATT) c Power supply switching circuit c Impedance matching c DTMF interface c Key tone interface c BN circuit network switching circuit (BN = Balancing Network) Signal processor block c Record preamplifier (with ALC) c Record amplifier c Power amplifier (VCC = 5 V, RL = 8 Ω, PO = 200 mW) c Playback equalizer amplifier c Voice detector (VOX) c Electronic volume control (4 dB, 7 steps) Crosspoint switch block c Crosspoint switches (mixing available) c CPU...
