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TEA1114A Datasheet Low Voltage Versatile Telephone Transmission

Manufacturer: NXP Semiconductors

Overview: INTEGRATED CIRCUITS DATA SHEET TEA1114A Low voltage telephone transmission circuit with dialler interface and regulated strong supply Product specification Supersedes data of 1999 Sep 14 File under Integrated Circuits,.

General Description

plastic dual in-line package;

16 leads (300 mil) plastic small outline package;

16 leads;

Key Features

  • Low DC line voltage; operates down to 1.45 V (excluding voltage drop over external polarity guard).
  • Line voltage regulator with adjustable DC voltage.
  • 3.3 V regulated strong supply point for peripheral circuits compatible with:.
  • Speech mode.
  • Ringer mode.
  • Trickle mode.
  • Transmit stage with:.
  • Microphone amplifier with symmetrical high impedance inputs.
  • DTMF amplifier with confidence tone on receive output.

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TEA1114A Distributor