le88266 Zarlink Semiconductor, le88266 Datasheet

le88266

Manufacturer Part Number

le88266

Description

Dual Channel Wideband Auto Battery Switching Abs Voiceport

Manufacturer

Zarlink Semiconductor

Datasheet

1.LE88266.pdf (2 pages)

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APPLICATIONS

FEATURES

The information in this document is Preliminary and may be changed in whole or in part without notice. Zarlink

makes no guarantee that the device(s) described herein will ever be considered for commercialization or mass

production. If you are considering using the proposed device(s) or doing any related design work, please call

a Zarlink sales representative for current information.

Voice enabled Cable and DSL Modems

Residential VoIP Gateways and Routers

Media Terminal Adapters (MTA)

Fiber to the Premise/Home/Building (FTTP/H/B), Fiber

in the Loop (FITL) Optical Network Terminals (ONT)

Wireless Local Loop (WLL), PBX, ISDN NT1/TA

Complete BORSCHT function for 2 channels in a single

VoicePort™ device

— Battery Feed, Over-voltage support, integrated Ringing,

Integrated Power Management

— Integrated high voltage switching regulator controllers

— Low power Idle and On-hook transmission states

Worldwide Programmability

— Two-wire AC impedance, Balance Impedance, Gain

— DC feed voltage and current limit

— Ringing frequency, voltage and current limit

— 12 kHz and 16 kHz Metering

— Programmable loop closure and ring trip thresholds

Ringing

— 5 REN with pin for pin compatible 100-V (Le88266) and

— Up to 110-Vpk internal balanced sinusoidal or

Powerful signal generator

— Universal Caller ID generation

— Up to 4 simultaneous tones

— Automatic cadencing feature

VoicePath™ API-II Software available to implement

FXS functions

— Supports device calibration

— Line configuration via VoicePath Profile Wizard

VeriVoice™ Test Suite Subscriber Loop Test

— Seamless integration with API-II software

— Utilizes integrated self test capabilities

— Line fault detection and reporting

Pin selectable PCM/MPI or GCI interface

G.711 µ-law, A-law, or 16 bit linear coding

Wideband 16 kHz sampling mode

Integrated 150 mW 3-V Relay Driver

— External catch diode required

Small footprint package - Exposed pad 80-pin LQFP

Minimal external discrete components required

NOTE: On August 3, 2007, Zarlink Semiconductor acquired the products and technology of Legerity Holdings.

line Supervision, Codec, Hybrid (2W/4W), Test

120-V (Le88286) devices

trapezoidal ringing with programmable DC offset

– Wide input voltage range (VSW =+4.75V to +35 V)

– Generates supplies for VBH, VBM & VBL

Dual Channel Wideband Auto Battery Switching (ABS) VoicePort™

Voice Solution

Standalone & Embedded

ORDERING INFORMATION

DESCRIPTION

The Zarlink Le88266/286 Automatic Battery Switching (ABS)

VoicePort™ device implements a dual-channel telephone line

interface by providing all the necessary voice interface

functions from the high voltage subscriber line to the µP/DSP

digital interface. The ABS device can operate from external

battery supplies, or from supplies generated by the on-chip

switching regulator controllers. This device reduces system

level cost, space, and power. Designers benefit by having a

simple, cost effective, low-power and dense, interface design

without sacrificing features or functionality. The programmable,

feature rich VoicePort device provides a highly functional line

interface which meets the requirements of short and medium

loop (up to 1500 Ohms total at 1 REN) applications. Features

include: high voltage switching regulator, self-test, line test

capabilities, integrated ringing (up to 110-Vpk), worldwide

software programmability with wideband capability, flexible

signal generator with tone cadencing and caller ID generation.

These VoicePort device features are crucial for designing cost-

effective, full-featured Voice over Broadband solutions.

VOICEPORT™ DEVICE BLOCK DIAGRAM

Le88266DLC

Le88286DLC

Device OPN

The green package meets RoHS Directive 2002/95/EC of the

European Council to minimize the environmental impact of

electrical equipment.

For delivery using a tape and reel packing system, add a “T” suffix

to the OPN (Ordering Part Number) when placing an order.

RINGD

RINGT

TIPD

RSN

TDC

RDC

RSN

TIPD

TIPT

TAC

RAC

RTV

RAC

TAC

TIPT

LFC

TDC

LFC

IHL

80-pin eLQFP (Green)

VBL

High Voltage

Voice Signal

High Voltage

Supervision

Line Driver

Processing

Generation

Processing

Line Driver

Signaling

Control

Signal

Package Type

VBM VBH

Document ID# 127608

Version:

Distribution:

Le88266/286

VREF

Microprocessor

PCM Interface

and Time Slot

Input / Output

GCI Interface

controllers

Reference

Switching

Assigner

Interface

regulator

Analog

(PCM)

(GCI)

(MPI)

PLL

IREF

Protected Document

VE880 Series

Packing

Date:

Tray

PCLK/DCL

FS/FSC

DXA/DU

DRA/DD

TSCA

I/O2

DCLK/S0

DIN/S1

DOUT

CS/PG

INT/S2

RST

SWCMPY

SWVSY

SWISY

SWOUTY

SWCMPZ

SWVSZ

SWISZ

SWOUTZ

Mar 14, 2008

- I/O1

™

Related parts for le88266

le88266 Summary of contents

Page 1

... Ringing frequency, voltage and current limit — 12 kHz and 16 kHz Metering — Programmable loop closure and ring trip thresholds Ringing — 5 REN with pin for pin compatible 100-V (Le88266) and 120-V (Le88286) devices — 110-Vpk internal balanced sinusoidal or trapezoidal ringing with programmable DC offset Powerful signal generator — ...

Page 2

... Le88276 Dual Channel Tracking Battery Wideband Auto Battery Switching (ABS) VoicePort™ Le88266/286 Dual Channel Tracking Battery Wideband Auto Battery Switching (ABS) VoicePort™ Device Data Sheet* Le71HR0864G - VE880 Series Line Module (Supports 2FXS ABS Vpk ringing with Flyback Automatic Battery Switching Power Supply *Contact your Zarlink Sales Representative to obtain the data sheet ...

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