L8576B - Dual Ringing SLIC

Agere Systems

Datasheet Details

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

General 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.

The L8576B device is optimized to

Overview

Data Sheet May 2001 L8576B Dual Ringing SLIC.

Key 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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