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Le79R79 - Ringing Subscriber Line Interface Circuit

Datasheet Summary

Description

The Le79R79 Ringing SLIC device is a bipolar monolithic SLIC that offers on-chip ringing.

Designers can achieve significant cost reductions at the system level for short-loop applications by integrating the ringing function on chip.

Features

  • Through trapezoidal ringing On-chip ring-trip detector Low standby state power Battery operation:.
  • VBAT1:.
  • 40.5 to.
  • 75 V.
  • VBAT2:.
  • 19 V to VBAT1 On-chip battery switching and feed selection On-hook transmission Two-wire impedance set by single external impedance Programmable constant-current feed Programmable Open Circuit voltage Programmable loop-detect threshold Current gain = 1000 Ground-key detector Polarity rev.

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Datasheet preview – Le79R79

Datasheet Details

Part number Le79R79
Manufacturer Zarlink
File Size 360.58 KB
Description Ringing Subscriber Line Interface Circuit
Datasheet download datasheet Le79R79 Datasheet
Additional preview pages of the Le79R79 datasheet.

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Full PDF Text Transcription

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™ Le79R79 Ringing Subscriber Line Interface Circuit VE580 Series APPLICATIONS „ „ „ „ „ „ „ „ „ „ „ „ „ Ideal for short-loop applications Ideal for ISDN-TA and fixed radio access applications Integrated Access Devices (IADs) Network Interface Units (NIUs) Cable Modems DSL Modems Set Top / House Side Boxes Intelligent PBX Pain Gain FXS Cards Voice over ISDN or T1/E1 Smart Residential Gateways WLL, APON, FITL, NGN, and all other short-loop CPE/ Enterprise telephony applications ORDERING INFORMATION Device1 Le79R79-1DJC Le79R79-2DJC Le79R79-3DJC Le79R79-1FQC Le79R79-2FQC 32-pin QFN (Green package) Tray Package Type2, 3 32-pin PLCC (Green package) Packing4 Tube -1: 52 dB Longitudinal Balance, Polarity Reversal -2: 63 dB Longitudinal Balance, Polarity Reversal -3: 52 dB Longitudinal Balance,
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