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UBA1707 - Cordless telephone / answering machine line interface

General Description

plastic small outline package; 28 leads; body width 7.5 mm plastic shrink small outline package; 28 leads; body width 5.3 mm AGC: On/off Slope

Istart line current.

Auxiliary amplifier mute function Loudspeaker channel: Input selec

Key Features

  • Line interface.
  • Low DC line voltage; operates down to 1.2 V (excluding polarity guard).
  • Voltage regulator with adjustable DC voltage.
  • DC mask for voltage or current regulation (CTR 21).
  • Line current limitation for protection.
  • Electronic hook switch control input.
  • Transmit amplifier with:.
  • Symmetrical inputs.
  • Fixed gain.
  • Large signals handling capability.
  • Receive amplifier with fixed gain.
  • Transmit.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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INTEGRATED CIRCUITS DATA SHEET UBA1707 Cordless telephone, answering machine line interface Product specification Supersedes data of 1998 Jun 11 File under Integrated Circuits, IC03 1999 Feb 17 Philips Semiconductors Product specification Cordless telephone, answering machine line interface FEATURES Line interface • Low DC line voltage; operates down to 1.2 V (excluding polarity guard) • Voltage regulator with adjustable DC voltage • DC mask for voltage or current regulation (CTR 21) • Line current limitation for protection • Electronic hook switch control input • Transmit amplifier with: – Symmetrical inputs – Fixed gain – Large signals handling capability. • Receive amplifier with fixed gain • Transmit and receive amplifiers AGC for line loss compensation.