L8574D - Resistive SLIC / Ring Relay and Protector

Product Overview

Agere Systems

Datasheet Details

Part number	L8574D
Manufacturer	Agere Systems
File Size	242.25 KB
Description	Resistive SLIC / Ring Relay and Protector
Datasheet	L8574D Datasheet
Additional preview pages of the L8574D datasheet.

Product details

Description

The L8574 is a resistive subscriber line interface circuit (SLIC) that is optimized for long loop applications, such as Bellcore TR-NWT-000057 requirements for digital loop carrier (DLC) applications.

Features

s Low-power scan mode for low on-hook power dissipation (55 mW max) s Low active power dissipation; talk or on-hook transmission (240 mW max) s Distortion-free on-hook transmission s Eight operating states via latched paralleled data inputs with channel select feature s Precision ﬁxed 28 mA current limiter s Integrated protection s No external protection device required s Integrated ringing access relay s Ring trip detector s Loop closure detector with hysteresis s Relay driver s Battery noise c.

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Other Datasheets by Agere Systems

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L8576B - Dual Ringing SLIC
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Published: Aug 3, 2018 |