Ordering number : ENN6471 Monolithic Linear IC LA8519M I/O Switch/Voice Signal-Processing IC for Cordless Telephones Overview The LA8519M is a cordless telephone base unit IC that provides I/O switching, voice signal processing, and other functions.
It integrates, on a single chip, crosspoint switch, power amplifier, electronic volume and tone control, microphone amplifier, speech network, and other functions.
Features • Allows switching between two anti-sidetone networks (near terminal/far terminal) depending on the line current, and thus achieves excellent sidetone characteristics over a wide range of line currents.
• Built-in transmitter/receiver amplifier driver power supply switchin...

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