le88311 Zarlink Semiconductor, le88311 Datasheet

le88311

Manufacturer Part Number

le88311

Description

Tracking Battery Voiceport Device 80-pin Elqfp

Manufacturer

Zarlink Semiconductor

Datasheet

1.LE88311.pdf (2 pages)

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Bonase Electronics (HK) Co., Limited

Part Number:

le88311DLC

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ZARLINK

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7 385

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Bonase Electronics (HK) Co., Limited

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le88311DLC

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le88311DLCT

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ZARLINK

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APPLICATIONS

FEATURES

FXS Channel 1:

Digital Interfaces:

The information in this document is Preliminary and may be changed in whole or in part without notice. Legerity 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 Legerity sales representative for current information.

Legerity, the Legerity logo, VoicePort, SLAC and combinations thereof are trademarks of Legerity, Inc. All

other brand and product names are used for identification only and may be trademarks of their respective

companies.

Voice enabled Cable and DSL Modems

Voice over IP/ATM - Integrated Access Devices (IAD)

Smart Residential Gateways (SRG) and Routers

Media Terminal Adapters (MTA)

Fiber to the User/Premise/Home (FTTH/P/H), Fiber in

the Loop (FITL) Optical Network Terminals (ONT)

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

Set-Top Box, Home Side Box

Complete BORSCHT function in a single VoicePort

device

— Battery Feed, Over-voltage support, integrated

Integrated Power Management

— Integrated high voltage switching regulator controller

— 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 (Le88311) and

— Up to 140-Vpk internal balanced sinusoidal or

— Unbalanced ringing for PBX trunk compatibility

Powerful signal generator

— Universal Caller ID generation

— Up to four simultaneous tones

— Automatic cadencing feature

Subscriber Loop Test/Self Test support

— Comprehensive line sensing

— Integrated self test capabilities

— Line fault detection and reporting

— Test load switch (Le88331 device only)

Pin-selectable PCM/MPI or GCI interface

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

Integrated 150 mW 3-V or 5-V Relay Driver

— Supports lifeline POTS in DSL IAD applications

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

150-V (Le88331) devices

trapezoidal ringing with programmable DC offset

(Le88331 device only)

– Wide input voltage range (VSW =+3.3V to +35 V)

Standalone & Embedded

P R O D U C T

P R E V I E W

ORDERING INFORMATION

*Green Package. meets RoHS Directive 2002/95/EC of the European

Council to minimize the environmental impact of electrical equipment.

FXO Channel 2:

Additional Features:

BLOCK DIAGRAM

Le88311DLC

Le88331DLC

In combination with a Data Access Arrangement (DAA),

provides a complete phone line termination to digital

interface solution

— Ringing signal, Disconnect, Line in use and Line polarity

— On hook transmission

— Caller ID pass through

Compatible with solid state or transformer DAA’s

Programmability

— Two-wire AC impedance, Balance Impedance, Gain

— Disconnect, Line in use and Line polarity thresholds

— Ringing frequency discrimination

— DTMF tone generators

— Dial Pulse and DTMF timing / cadence control

— 6 General purpose Input/Output pins

Small footprint package - Exposed pad 80-pin LQFP

Minimal external discrete components required

I/O1

detection

VOUTN

VOUTP

RINGD

RINGT

Device

- I/O2

- I/O6

VINP

VINN

TIPD

RTV

RSN

TDC

RDC

TIPT

TAC

RAC

LFC

RDC

TDC

LTP

ITR

IHL

High Voltage

Voice Signal

Supervision

Processing

Generation

Processing

Line Driver

DTMF and

Dial Pulse

Signaling

Control

VBAT

Output

Signal

Input /

Document ID# 081275

Rev:

Distribution:

VE880 Series

80-pin eLQFP (Green package)*

VREF

Microprocessor

VoicePort™ Device

PCM Interface

GCI Interface

and Time Slot

Reference

Switching

controller

Assigner

Interface

regulator

Analog

(PCM)

(GCI)

(MPI)

PLL

Public Document

IREF

Package

Le88311/331

Date:

Version: 1

PCLK/DCL

FS/FSC

DXA/DU

DRA/DD

TSCA

DCLK/S0

DIN/S1

DOUT

CS/PG

INT/S2

RST

SWCMPY

SWVSY

SWISY

SWOUTY

Feb 14, 2005

™

Related parts for le88311

le88311 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 (Le88311) and 150-V (Le88331) devices — 140-Vpk internal balanced sinusoidal or trapezoidal ringing with programmable DC offset — ...

Page 2

... Comprehensive line monitoring • Dial pulse generation with cadence and DTMF tones Related Literature and Supporting Collateral 081309-Le88311/331 Dual-Channel VoicePort™ Device Data Sheet* Le71HR0825 - VE880 Series Line Module supporting 1FXS/1FXO Up to 100-V ringing with a 12-V Buck Boost Tracking Power Supply Le71HK002 - Universal VoicePath™ ...

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