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HC-5524 Datasheet EIA/ITU 24V PABX SLIC with 25mA Loop Feed

Manufacturer: Intersil (now Renesas)

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Overview

HC-5524 Data Sheet February 1999 File Number 2798.6 EIA/ITU 24V PABX SLIC with 25mA Loop Feed The HC-5524 telephone Subscriber Line Interface Circuit integrates most of the BORSCHT functions on a monolithic IC.

The device is manufactured in a Dielectric Isolation (DI) process and is designed for use as a 24V interface between the traditional telephone subscriber pair (Tip and Ring) and the low voltage filtering and coding/decoding functions of the line card.

Together with a secondary protection diode bridge, the device will withstand 500V induced surges, in plastic packages.

Key Features

  • DI Monolithic High Voltage Process.
  • Compatible with Worldwide PBX and DLC Performance Requirements.
  • Controlled Supply of Battery Feed Current with Programmable Current Limit.
  • Operates with 5V Positive Supply (VB+).
  • Internal Ring Relay Driver and a Utility Relay Driver.
  • High Impedance Mode for Subscriber Loop.
  • High Temperature Alarm Output.
  • Low Power Consumption During Standby Functions.
  • Switch Hook, Ground Key, and.

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