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TEA1093T - Hands-free

General Description

plastic dual in-line package; 28 leads (600 mil) plastic small outline package; 28 leads; body width 7.5 mm GENERAL DESCRIPTION APPLICATIONS

Line-powered telephone sets with hands-free/listening-in functions.

Key Features

  • Line powered supply with:.
  • adjustable stabilized supply voltage.
  • power down function.
  • Microphone channel with:.
  • externally adjustable gain.
  • microphone mute function.
  • Loudspeaker channel with:.
  • externally adjustable gain.
  • dynamic limiter to prevent distortion.
  • rail-to-rail output stages for single-ended or bridge-tied load drive.
  • logarithmic volume control via linear potentiometer.
  • loudspe.

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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 TEA1093 Hands-free IC Product specification Supersedes data of 1995 May 18 File under Integrated Circuits, IC03 1996 Feb 09 Philips Semiconductors Product specification Hands-free IC FEATURES • Line powered supply with: – adjustable stabilized supply voltage – power down function • Microphone channel with: – externally adjustable gain – microphone mute function • Loudspeaker channel with: – externally adjustable gain – dynamic limiter to prevent distortion – rail-to-rail output stages for single-ended or bridge-tied load drive – logarithmic volume control via linear potentiometer – loudspeaker mute function • Duplex controller consisting of: – signal envelope and noise envelope monitors for both channels with: externally adjustable sensitivity externally a