Datasheet > LUCL9216GGF-DT

LUCL9216GGF-DT

更新时间： 2024-11-24 22:20:31

品牌	Logo	应用领域
杰尔 - AGERE		/
页数	文件大小	规格书
48页	1018K
描述
Short-Loop Ringing SLIC with Ground Start

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LUCL9216GGF-DT 数据手册

Preliminary Data Sheet

September 2001

L9216A/G

Short-Loop Ringing SLIC with Ground Start

Applications

Introduction

■ Voice over Internet Protocol (VoIP)

■ Cable Modems

The Agere Systems Inc. L9216 is a subscriber line

interface circuit (SLIC) that is optimized for short-

loop, power-sensitive applications. This device pro-

vides the complete set of line interface functionality,

including power ringing needed to interface to a sub-

scriber loop. This device has the capability to operate

with a V^CCsupply of 3.3 V or 5 V and is designed to

minimize external components required at all device

interfaces.

■ 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, ground

start (tip open), 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.

■ Eight operating states:

— Scan mode for minimal power dissipation

— Forward and reverse battery active

— On-hook transmission states

— Ground start (tip open)

— Ring mode

— Disconnect mode

Loop closure, ring trip, and ground start 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

— 41 mW active mode

■ Two SLIC gain options to minimal external compo-

nents in codec interface

The dc current limit is set and fixed by a logic control-

lable pin. Ground or open is applied to this pin set the

current limit at the low or high value.

■ Loop start, ring trip, and ground start detectors

■ Software-controllable dual current-limit option

■ 28-pin PLCC 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.

■ 48-pin MLCC package

12 3 4 5 6 7...48

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与LUCL9216GGF-DT相关器件

型号	品牌	获取价格	描述	数据表
LUCL9216GRG-D	AGERE	获取价格	Short-Loop Ringing SLIC with Ground Start
LUCL9216HGF-D	ZARLINK	获取价格	SLIC, PQCC28, PLASTIC, LCC-28
LUCL9217AAR-D	AGERE	获取价格	Low-Cost Line Interface with Reverse Battery and PPM
LUCL9217AAR-DT	AGERE	获取价格	Low-Cost Line Interface with Reverse Battery and PPM
LUCL9217GAR-D	AGERE	获取价格	Low-Cost Line Interface with Reverse Battery and PPM
LUCL9217GAR-DT	AGERE	获取价格	Low-Cost Line Interface with Reverse Battery and PPM
LUCL9218AAR-D	AGERE	获取价格	Low-Cost Line Interface
LUCL9218AAR-DT	AGERE	获取价格	Low-Cost Line Interface
LUCL9218GAR-D	AGERE	获取价格	Low-Cost Line Interface
LUCL9218GAR-DT	AGERE	获取价格	Low-Cost Line Interface

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