• Part: HC9P5509B3999-003
  • Manufacturer: Intersil
  • Size: 284.29 KB
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HC9P5509B3999-003 Key Features

  • DI Monolithic High Voltage Process
  • patible with Worldwide PBX and CO 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 Ring Trip Detection
  • Selective Power Denial to Subscriber

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HC9P5509B3999-003 Description

® T nt DUC PRO placeme r at E T e E te r L n 1 e O OBS HC5512 upport C om/tsc c d . The device is manufactured in a Dielectric Isolation (DI) process and is designed for use as a high voltage 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 and “feed” resistors,...

HC9P5509B3999-003 Applications

  • Solid State Line Interface Circuit for PBX or Central Office Systems, Digital Loop Carrier Systems