龙讯LT8311X一款低成本的USB中继器，提供免费技术支持

1. 一般的描述

LT8311X是一款低成本的USB中继器，通过USB线缆提供信号传输扩展，符合USB2.0规范，支持USB2.0、USB1.1和USB1.0设备连接。大延伸长度可达20米，从位置的USB集线器/主机通过USB电缆。它消除了USB2.0规格5米距离的限制。只有2条线用于两个LT8311X芯片之间的。内部均衡可以改变不同的寄存器设置。

2. 特性

•延伸长度可达20米

•支持usb2.0高速和usb1.1(低速和全速)

•支持热插拔

•内部上拉和下拉电阻

•I2C控制模式均衡

•单路3.3V电源

•20pin TSSOP RoHS封装和qfn16 RoHS封装

•工作温度范围-40°C至85°C

•2线数据传输

•ESD:HBM到2KV

3.应用程序

•台式机和笔记本电脑，扩展坞

•服务器和工作站

•数据存储系统

•高密度介质和智能监控系统

1. General Description

LT8311X is a low cost high performance USB repeater that provides ** transferring extension over USB cable, compliant with USB2.0 specification, supports USB2.0, USB1.1 and USB1.0 device connection. The maximum extension length can be up to 20 meters from the location of USB hub/host over USB cable. It eliminates the 5 meters distance limitation of USB2.0 Specification. There are only 2 lines used for data transferring between two LT8311X chips. Internal equalization can be changed by different register settings.

2. Features

• Extension length up to 20 meters

• Support USB 2.0 high-speed and USB 1.1(low-speed and full-speed)

• Support hot plug

• Internal pull-up and pull-down resistor

• I2C control mode for equalization

• Single 3.3V power supply

• 20pin TSSOP  RoHS package  and QFN 16 RoHS package

• -40°C to 85°C operating temperature range

• 2 lines data transferring

• ESD:HBM to 2KV

3. APPLICATIONS

• Desktop and laptop computers, docking stations

• Servers and workstations

• Data storage systems

• High density media and intelligent monitoring system

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