Microchip SY84782U Bedienungsanleitung

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SY84782U

Low Power 2.5V 1.25GbpsFP/DFB Laser

Diode Driver

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

August 11, 2015

Revision 2.0

hbwhelp@micrel.comor (408) 955-1690

General Description

The SY84782Uis a single 2.5V supply,ultra-low power,

small form factor laser diode driver for telecom/datacom

applications. Intended to drive FP/DFB lasers at data rates

up to 1.25Gbps, it is especially useful for Compact SFP,

SFP, and SFFmodules where power requirements are

quite stringent. The driver can deliver modulation current

up to 90mA and offers a high compliance voltage, all of

which make the SY84782Usuitable for high current

operations in both AC- and DC-coupled applications.

The SY84782Uis intended to be used with Micrel’s

MIC3003 Optical Transceiver Management IC, which

allows for both modulation and bias current control and

monitoring. Furthermore, the MIC3003 offers power control

and temperature compensation.

This device operates across the industrial temperature

range (–40°C to +95°C) and is available in a small 3mm ×

3mm QFNpackage.

All datasheets and support documentation can be found

on Micrel’s website at:www.micrel.com

.

Features

•2.5V power supply option

•Ultra low power consumption (63mW typ)

•Multirate up to 1.25Gbps

•Fast rise and fall time

•Modulation current up to 90mA

•Laser can be DC- or AC-coupled

•Small form factor 16-pin (3mm × 3mm) QFNpackage

•MIC3003G compatible

•Extensive temperature range (–40°C to +95°C)

Applications

•Multirate LAN, MAN applications: Fibre Channel, GbE,

SONET OC3/12/24, and SDH STM1/4/8

•CSFP/SFF/SFPoptical modules

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Typical Application

DC-Coupled Laser

AC-Coupled Laser

Produktspezifikationen