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参数

Function Equalizer Power consumption (mW) 140 Data rate (Max) (Gbps) 2.97 Control interface Pin, SPI Operating temperature range (C) -40 to 85 open-in-new 查找其它 串行数字接口 (SDI) IC

封装|引脚|尺寸

WQFN (RTW) 24 16 mm² 4 x 4 open-in-new 查找其它 串行数字接口 (SDI) IC

特性

  • ST 424, ST 292, ST 344, ST 259, and DVB-ASI Compliant(1)
  • Equalized Cable Lengths (Belden 1694A): 200 Meters at 2.97 Gbps, 220 Meters at 1.485 Gbps, and 400 Meters at 270 Mbps
  • Ultra-low Power Consumption: 140 mW (Dual Outputs), 115 mW (Single Output)
  • Dual Differential Outputs; Second Output Can Be Independently Powered Down
  • Power-Save Mode With Auto Sleep Control (17-mW Typical Power Consumption in Power-Save Mode)
  • Designed for Crosstalk Immunity
  • Output De-Emphasis to Compensate for FR4 Board Trace Losses
  • Digital and Analog Programmable MUTEREF Threshold
  • Optional SPI Register Access and Pin Mode Operation
  • Input Data Rates: 125 Mbps to 2.97 Gbps
  • Internally Terminated 100-Ω LVDS Outputs With Programmable Output Common-Mode Voltage and Swing
  • Programmable Launch Amplitude Optimization
  • Cable Length Indicator
  • Single 2.5-V Supply Operation
  • 24-Pin WQFN Package
  • Industrial Temperature Range: −40°C to +85°C
open-in-new 查找其它 串行数字接口 (SDI) IC

描述

The LMH0395 3-Gbps HD/SD SDI Dual Output Low Power Extended Reach Adaptive Cable Equalizer is designed to equalize data transmitted over cable (or any media with similar dispersive loss characteristics). The equalizer operates over a wide range of data rates from 125 Mbps to 2.97 Gbps and supports ST 424, ST 292, ST 344, ST 259, and DVB-ASI standards.

The LMH0395 device provides extended cable reach with improved immunity to crosstalk and ultra low power consumption. The equalizer includes active sensing circuitry that ensures robust performance and enhanced immunity to variations in the input signal launch amplitude. The LMH0395 offers power management to further reduce power consumption when no input signal is present.

The LMH0395 has two differential serial data outputs, increasing flexibility and eliminating the need for a fanout buffer on the output in many applications. The outputs may be independently enabled and controlled. The output drivers offer programmable de-emphasis for up to 40 inches of FR4 trace losses. The LMH0395 supports two modes of operation. In pin mode, the LMH0395 operates with control pins to set its operating state. In SPI mode, an optional SPI serial interface can be used to access and configure multiple LMH0395 devices in a daisy-chain configuration.

open-in-new 查找其它 串行数字接口 (SDI) IC
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技术文档

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类型 标题 下载最新的英文版本 发布
* 数据表 LMH0395 3G HD/SD SDI Dual Output Low Power Extended Reach Adaptive Cable Equalizer 数据表 2017年 1月 3日
应用手册 3G-SDI Cable Equalizer Compatibility Guide – TI / MACOM 2017年 9月 13日
应用手册 3G-SDI Cable Equalizer Compatibility Guide – TI / Semtech 2017年 9月 13日
选择指南 Broadcast and Professional Video Interface Solutions 2017年 4月 5日
应用手册 AN-1943 Understanding Serial Digital Video Bit Rates 2013年 4月 26日
应用手册 AN-2145 Power Considerations for SDI Products 2013年 4月 26日
应用手册 AN-2146 Power Design for SDI and other Noise Sensitive Devices 2013年 4月 26日
用户指南 SD395EVK - Evaluation Board for LMH0395 Cable Equalizer 2012年 1月 27日
应用手册 High-Speed Board Layout Challenges in FPGA/SDI Sub-Systems 2009年 11月 12日
用户指南 Broadcast Video Owner's Manual 2006年 11月 17日

设计与开发

有关其他条款或所需资源,请点击下面的任何链接来查看详情页面。

硬件开发

用于评估模块 (EVM) 的 GUI 下载
document-generic 用户指南
说明

The SD3GDAIII is a kit containing an evaluation board which is functionally an SDI Distribution Amplifier consisting of the LMH0395 cable equalizer, LMH0376 reclocker, and LMH0307 cable driver. It provides a serial interface for connection to a host computer along with a graphical user interface (...)

特性
  • Single input, four output Distribution Amplifier
  • Low power consumption, with automatic power down when no input signal is provided
  • Ability to estimate input cable length
  • Adjustable output signal amplitude and DC offset
  • Selectable board trace length between equalizer and reclocker
  • GUI allows user to (...)

设计工具和仿真

仿真工具 下载
document-generic 用户指南 document-generic 下载英文版本 (Rev.A)
原理图 下载
SNLC012.ZIP (52 KB)

参考设计

参考设计 下载
用于串行数字接口的低功耗 1:4 分配放大器参考设计
TIDA-00253 TIDA-00253 参考设计从功能上来说是一种 1:4 SDI 分配放大器,具有一个可连接到主机的 USB 接口和一个图形用户界面 (GUI) 程序,通过此程序可以配置板上将根据需要进行更换的器件,并允许进行 SDI 视频眼图监控。多路复用和眼测量可以在不使用常规视频制作环境中不实用的视频分析器或高带宽范围的情况下完成
document-generic 原理图 document-generic 用户指南

CAD/CAE 符号

封装 引脚 下载
WQFN (RTW) 24 了解详情

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