VSC7711 查看數據表（PDF） - Vitesse Semiconductor

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VSC7711

Transimpedance Amplifier Family for Optical Communication

Vitesse Semiconductor 

VITESSE

SEMICONDUCTOR CORPORATION

Advance Product Information

VSC7711

Transimpedance Amplifier

Family for Optical Communication

Features

• Transimpedance Amplifier optimized for

high speed optical communications applications

• Integrated AGC

• Fibre Channel and Gigabit Ethernet

• Low Input Noise Current

• Differential Output

• Single 5V Supply with On-chip biasing

for photodetectors

Block Diagram:

Photodetector/Transimpedance Amplifier

+5V

+

D0

_

D1

Part Number

VSC7711

Data Rate

(Gb/s)

1.25

Bandwidth

(MHz)

800

Transimpedance

(kΩ)

3.5

Input Noise

(nA RMS)

180

General Description

The VSC7711 Transimpedance Amplifiers provide a high performance solution for amplifying high speed

photodetector output signals from a fiber optic communications channel into a differential output voltage. The

benefits of Vitesse Semiconductor’s Gallium Arsenide H-GaAs III process are fully utilized to provide a very

high bandwidth and low noise amplifier. The detector bias is supplied on-chip eliminating the need for a sepa-

rate bias connection. The sensitivity, duty cycle distortion and jitter meet or exceed all Fibre Channel and Giga-

bit Ethernet requirements.

In conjunction with suitable photodetectors, these parts can be easily used in developing a wide range of

Fibre Channel and Gigabit Ethernet optoelectronic receivers for both short wavelength (850nm) as well as long

wavelength (1300nm) applications.

G52178-0, Rev. 2.1

10/6/99

© VITESSE SEMICONDUCTOR CORPORATION

741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896

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