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L8576B - Dual Ringing SLIC

Description

The Agere Systems Inc.

L8576B electronic dual subscriber line interface circuit (SLIC) provides all the functions that are necessary to interface a codec to the tip and ring of a subscriber loop, integrating two battery feeds and ringing generators in one low-cost package.

Features

  • s Two SLIC channels for multiple tip/ring interfaces s On-chip balanced ringing generator, no ring relay required s Single battery operation or optional automatic bat- tery switch s Quiet battery reversal for on-hook signaling s Disconnect state s Distortion-free, on-hook transmission s 24 mA loop current limiter s Ring trip detector s Switchhook detector s Immune to channel crosstalk and impulse noise s Allows rail overvoltages for ease of protection s Thermal protection s 44-pin, surface-mount.

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Datasheet Details

Part number L8576B
Manufacturer Agere Systems
File Size 398.64 KB
Description Dual Ringing SLIC
Datasheet download datasheet L8576B Datasheet

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Full PDF Text Transcription

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Data Sheet May 2001 L8576B Dual Ringing SLIC Features s Two SLIC channels for multiple tip/ring interfaces s On-chip balanced ringing generator, no ring relay required s Single battery operation or optional automatic bat- tery switch s Quiet battery reversal for on-hook signaling s Disconnect state s Distortion-free, on-hook transmission s 24 mA loop current limiter s Ring trip detector s Switchhook detector s Immune to channel crosstalk and impulse noise s Allows rail overvoltages for ease of protection s Thermal protection s 44-pin, surface-mount, plastic package (PLCC) Applications s POTS for ISDN s Terminal adapters (TA) s Digital loop carrier (DLC) systems s PABX Description The Agere Systems Inc.
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