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HC5526 - ITU CO/PABX SLIC with Low Power Standby

Features

  • DI Monolithic High Voltage Process.
  • Programmable Current Feed (20mA to 60mA).
  • Programmable Loop Current Detector Threshold and Battery Feed Characteristics.
  • Ground Key and Ring Trip Detection.
  • Compatible with Ericsson’s PBL3764.
  • Thermal Shutdown.
  • On-Hook Transmission.
  • Wide Battery Voltage Range (-24V to -58V).
  • Low Standby Power.
  • Meets CCITT Transmission Requirements.
  • -40oC to 85oC Ambient Temperat.

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Full PDF Text Transcription

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HC5526 Data Sheet October 1998 File Number 4151.6 ITU CO/PABX SLIC with Low Power Standby The HC5526 is a subscriber line interface circuit that is compliant with CCITT standards. Enhancements include immunity to circuit latch-up during hot plug and absence of false signaling in the presence of longitudinal currents. The HC5526 is fabricated in a High Voltage Dielectrically Isolated (DI) Bipolar Process that eliminates leakage currents and device latch-up problems normally associated with Junction Isolated (JI) ICs. The elimination of the leakage currents results in improved circuit performance for wide temperature extremes. The latch free benefit of the DI process guarantees operation under adverse transient conditions.
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