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LA8519M - I/O Switch/Voice Signal-Processing IC

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 switching circuit allows communication using extension without power from the telephone network.
  • The receiver amplifier supports both ceramic receivers (BTL) and dynamic receiver (single).
  • Built-in p.

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Full PDF Text Transcription

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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 switching circuit allows communication using extension without power from the telephone network.
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