Datasheet > VSC7960W

VSC7960W

更新时间： 2024-02-07 05:20:31

品牌	Logo	应用领域
VITESSE		ATM 异步传输模式电信电信集成电路
页数	文件大小	规格书
22页	274K
描述
Support Circuit, 1-Func, DIE-48

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技术参数
数据手册

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VSC7960W 技术参数

生命周期：	Transferred	零件包装代码：	DIE
包装说明：	DIE,	针数：	48
Reach Compliance Code：	compliant	HTS代码：	8542.39.00.01
风险等级：	5.82	Is Samacsys：	N
JESD-30 代码：	R-XUUC-N48	功能数量：	1
端子数量：	48	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	UNSPECIFIED
封装代码：	DIE	封装形状：	RECTANGULAR
封装形式：	UNCASED CHIP	认证状态：	Not Qualified
标称供电电压：	3.3 V	表面贴装：	YES
电信集成电路类型：	ATM/SONET/SDH SUPPORT CIRCUIT	温度等级：	INDUSTRIAL
端子形式：	NO LEAD	端子位置：	UPPER
Base Number Matches：	1

VSC7960W 数据手册

VITESSE

SEMICONDUCTOR CORPORATION

Advance Product Information

3.125Gb/s CML Limiting Amplifier with LOS Detect

and Laser Driver with Automatic Power Control

VSC7960

Features

Applications

• 3.3V Power Supply

• SONET/SDH at 622Mb/s, 1.244Gb/s, 2.488Gb/s

and 3.125Gb/s

• Laser Driver AC-Coupled to Laser Diode

• Full-Speed Fibre Channel (1.062Gb/s)

• Programmable Laser Driver Modulation Current

from 5mA to 60mA

• Programmable Laser Driver Bias Current from

1mA to 100mA

• Laser Driver Enable Control

• Automatic Optical Average Power Control

• Supply Current of 80mA

• CML Limiting Amplifier Outputs

• Packages: 48-Pin TQFP, Bare Die

General Description

The VSC7960 is a single 3.3V supply combination limiting amplifier and laser diode driver for

SONET/SDH applications up to 3.125Gb/s. The limiting amplifier features Loss of Signal (LOS) detect, output

offset correction, and optional output squelch. Laser driver data inputs accept differential PECL signals and the

output modulation and bias currents are easily controlled via external components. The laser diode driver Auto-

matic Power Control (APC) loop maintains a constant average optical power over temperature and lifetime. The

dominant pole of the APC loop can be controlled with an external capacitor. Other features include enable con-

trol, short-circuit protection for the modulation and bias inputs, short rise and fall times, and failure-monitor

output to indicate when the APC loop is unable to maintain the average optical power. The VSC7960 is avail-

able in die form or in a 48-pin TQFP package. The VSC7962 provides similar features to the VSC7960 but the

limiting amplifier has PECL outputs.

Block Diagram

VSC7960

DATA+

DATA-

OUT+

OUT-

VSC7939

Laser Driver

LAO+

LAO-

VSC7959

Limiting Amplifier

IN+

IN-

Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com

Internet: www.vitesse.com

G52359-0, Rev 2.1

5/01/01

Page 1

12 3 4 5 6 7...22

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