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MSA4709A - Subscriber Line Interface Circuit

General Description

The MSA4709A is designed to provide BSH functions and to meet PABX transmission performance requirements.

This device provides two-wire to four-wire conversion function (Hybrid).

Key Features

  • B (Battery feed), S (Supervision), and H (Hybrid) functions integrated on chip.
  • Design to meet Central Office and PABX quality transmission requirements.
  • All transmission performance parameters can be externally programmable.
  • Free from parasitic SCR's using dielectric isolation technology.
  • Size and weight reduction over conventional approaches.
  • Supply voltage selectable (VBB =.
  • 24 V/.
  • 48 V).
  • 1 channel built-in r.

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E2A0032-16-X0 ¡ Semiconductor MSA4709A ¡ Semiconductor Subscriber Line Interface Circuit This version: MSA4709A Jan. 1998 Previous version: Nov. 1996 GENERAL DESCRIPTION The MSA4709A is designed to provide BSH functions and to meet PABX transmission performance requirements. This device provides two-wire to four-wire conversion function (Hybrid). FEATURES • B (Battery feed), S (Supervision), and H (Hybrid) functions integrated on chip. • Design to meet Central Office and PABX quality transmission requirements. • All transmission performance parameters can be externally programmable. • Free from parasitic SCR's using dielectric isolation technology. • Size and weight reduction over conventional approaches. • Supply voltage selectable (VBB = –24 V/–48 V).