Datasheet > LUCL9215ARG-D

LUCL9215ARG-D

更新时间： 2024-11-24 22:46:51

品牌	Logo	应用领域
杰尔 - AGERE		电池电信集成电路
页数	文件大小	规格书
50页	1068K
描述
Short-Loop Sine Wave Ringing SLIC

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LUCL9215ARG-D 数据手册

Data Sheet

September 2001

L9215A/G

Short-Loop Sine Wave Ringing SLIC

Applications

Introduction

■ Voice over Internet Protocol (VoIP)

The Agere Systems Inc. L9215 is a subscriber line

interface circuit that is optimized for short-loop,

power-sensitive applications. This device provides

the complete set of line interface functionality (includ-

ing power ringing) needed to interface to a subscriber

loop. This device has the capability to operate with a

V^CCsupply of 3.3 V or 5 V and is designed to mini-

mize external components required at all device

interfaces.

■ Cable Modems

■ Terminal Adapters (TA)

■ Wireless Local Loop (WLL)

■ Telcordia Technologies™ GR-909 Access

■ Network Termination (NT)

■ Key Systems

Features

Description

■ Onboard ringing generation

This device is optimized to provide battery feed, ring-

ing, and supervision on short-loop plain old tele-

phone service (POTS) loops.

■ Three ringing input options:

— Sine wave

— PWM

— Logic level square wave

This device provides power ring to the subscriber

loop through amplification of a low-voltage input. It

provides forward and reverse battery feed states, on-

hook transmission, a low-power scan state, meter

pulse states, and a forward disconnect state.

■ Flexible VCC options:

— 5 V or 3.3 V V^CC

— No –5 V required

■ Battery switch to minimize off-hook power

The device requires a V^CCand battery to operate.

V^CCmay be either a 5 V or a 3.3 V supply. The ring-

ing signal is derived from the high-voltage battery. A

battery switch is included to allow for use of a lower-

voltage battery in the off-hook mode, thus minimizing

short-loop off-hook power.

■ 11 operating states:

— Scan mode for minimal power dissipation

— Forward and reverse battery active

— On-hook transmission states

— Meter pulse states

— Ring mode

— Disconnect mode

Loop closure, ring trip, and ground key detectors are

available. The loop closure detector has a fixed

threshold with hysteresis. The ring trip detector

requires a single-pole filter, thus minimizing external

components required.

■ Ultralow on-hook power:

— 27 mW scan mode

— 42 mW active mode

■ Two SLIC gain options to minimal external compo-

This device supports meter pulse applications. Meter

pulse is injected into a dedicated meter pulse input.

Injection of meter pulse onto tip and ring is controlled

by the device’s logic input pin.

nents in codec interface

■ Loop start, ring trip, and ground key detectors

■ Software- or hardware-controllable current-limit

and overhead voltage

Both the dc current limit and overhead voltage are

programmable. Programming may be done by exter-

nal resistors or an applied voltage source. If the volt-

age source is programmable, the current limit and

overhead may be set via software control.

■ Meter pulse compatible

■ 32-pin PLCC package

■ 48-pin MLCC package

The device is offered with two gain options. This

allows for an optimized codec interface, with minimal

external components regardless of whether a first-

generation or a programmable third-generation

codec is used.

12 3 4 5 6 7...50

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与LUCL9215ARG-D相关器件

型号	品牌	获取价格	描述	数据表
LUCL9215GAU-D	AGERE	获取价格	Short-Loop Sine Wave Ringing SLIC
LUCL9215GAU-DT	AGERE	获取价格	Short-Loop Sine Wave Ringing SLIC
LUCL9215GRG-D	AGERE	获取价格	Short-Loop Sine Wave Ringing SLIC
LUCL9216AGF-D	AGERE	获取价格	Short-Loop Ringing SLIC with Ground Start
LUCL9216AGF-DT	AGERE	获取价格	Short-Loop Ringing SLIC with Ground Start
LUCL9216ARG-D	AGERE	获取价格	Short-Loop Ringing SLIC with Ground Start
LUCL9216BGF-DT	ZARLINK	获取价格	SLIC, PQCC28, PLASTIC, LCC-28
LUCL9216GGF-D	AGERE	获取价格	Short-Loop Ringing SLIC with Ground Start
LUCL9216GGF-DT	AGERE	获取价格	Short-Loop Ringing SLIC with Ground Start
LUCL9216GRG-D	AGERE	获取价格	Short-Loop Ringing SLIC with Ground Start

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