Microchip SY88932L Handleiding

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DESCRIPTION

■Up to 3.2Gbps operation

■Modulation current to 60mA

■50Ω input termination

■Rise/fall times <70ps

■Programmable laser modulation voltage

■Operating temperature range:–40°C to +85°C

■Available in tiny 16-pin (3mm ××

××

× 3mm) MLF™ package

FEATURES

3.3V 3.2Gbps SONET/SDH

LASER DRIVER WITH 50Ω

INPUT TERMINATION

SY88932L

EVALUATION BOARD

1

Rev.: AAmendment: /0

Issue Date:October 2002

The SY88932L 3.3V SONET laser driver is the smallest

laser driver with programmable modulation current used for

applications up to 3.2Gbps. The device accepts either PECL

or CML level data inputs. The SY88932L provides

modulation voltage/current of up to 60mA for FP (Fabry-

Perot) or DFB (Distribution Feedback) lasers. There is a

75kΩ pull-down resistor to VEE at the input of /EN. An

active TTL enable signal shuts o the modulation current.

This document provides design and implementation

information, as well as, a detailed description of the

SY88932L evaluation board. The evaluation board is AC-

coupled, and has both dierential inputs and outputs, and

a resistor port to vary the modulation voltage.

TEST SET-UP FOR EVALUATION BOARD

Figure 1.Test Set-Up for the SY88932L Evaluation Board

MLF and

Micro

LeadFrame are trademarks of Amkor Technology, Inc.

Product specificaties