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TEA1062A Datasheet Low Voltage Transmission

Manufacturer: NXP Semiconductors

Overview: INTEGRATED CIRCUITS DATA SHEET TEA1062; TEA1062A Low voltage transmission circuits with dialler interface Product specification Supersedes data of 1996 Dec 04 File under Integrated Circuits, IC03 1997 Sep 03 Philips.

General Description

The TEA1062 and TEA1062A are integrated circuits that perform all speech and line interface functions required in fully electronic telephone sets.

They perform electronic switching between dialling and speech.

The ICs operate at line voltage down to 1.6 V DC (with reduced performance) to facilitate the use of more telephone sets connected in parallel.

Key Features

  • Low DC line voltage; operates down to 1.6 V (excluding polarity guard).
  • Voltage regulator with adjustable static resistance.
  • Provides a supply for external circuits.
  • Symmetrical high-impedance inputs (64 kΩ) for dynamic, magnetic or piezoelectric microphones.
  • Asymmetrical high-impedance input (32 kΩ) for electret microphones.
  • DTMF signal input with confidence tone.
  • Mute input for pulse or DTMF dialling.
  • TEA1062: active HIGH.

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