1.說明

Lontium LT8631UX HDMI2.0 / 1.4開關(guān)具有符合HDMI2.0 / 1.4規(guī)格的3：1開關(guān)，最大6Gbps高速數(shù)據(jù)速率，自適應(yīng)均衡RX輸入和預(yù)加重TX輸出，以支持長電纜應(yīng)用，板上沒有XTAL以節(jié)省BOM成本。
LT8631UX HDMI2.0 / 1.4開關(guān)自動檢測電纜損耗，并自適應(yīng)優(yōu)化均衡設(shè)置。它支持RX終端電阻校準(zhǔn)，以進(jìn)一步改善信號完整性。
LT8631UX支持符合HDMI2.0 / 1.4規(guī)范的DDC / SCDC。集成的DDC和HPD交換機(jī)進(jìn)一步降低了系統(tǒng)制造成本，并簡化了系統(tǒng)板上的布線。此封裝為QFN64。它的工作溫度范圍為?40°C至+ 85°C。

2.功能
?3輸入，1輸出HDMI / DVIlinks
?兼容HDMI 1.4 / 2.0 / DVI 1.0 
?支持最高6Gbps的數(shù)據(jù)速率
?RX側(cè)ODT和管理電路
?集成的HPD開關(guān)，DDC開關(guān)和+ 5V電源指示器開關(guān)，大大降低了成本并簡化了制造過程
?信號源/接收器連接檢測，可實(shí)現(xiàn)靈活的系統(tǒng)管理
?支持I2C控制
?低抖動添加
?5V耐壓DDC接口
?無需外部晶體
?自適應(yīng)均衡
?SCDC監(jiān)視器

3.應(yīng)用

?用于高級電視機(jī)（HDTV）的前面板緩沖器
?獨(dú)立切換臺
?多輸入顯示
?投影儀

1. Description

The Lontium LT8631UX HDMI2.0/1.4 Switch features a 3:1 switch compliant to HDMI2.0/1.4 specification, max 6Gbps high speed data rate, adaptive equalization RX input and pre-emphasized TX output to support long cable application, no XTAL on board to save BOM cost .
LT8631UX HDMI2.0/1.4 Switch automatically detectsthe cable loss, and adaptively optimize the equalization setting. It supports RX termination resistor calibration to further improve signal integrity.
LT8631UX support DDC/SCDC compliant to HDMI2.0/1.4 specification. The integrated DDC and HPD switches further lower the cost of system manufacture, and simplify the routing on the system board.This package is QFN64. It  operate from ?40°C to +85°C.

2. Features

? 3 inputs, 1output HDMI/DVIlinks
? HDMI 1.4/2.0/DVI 1.0compliant
? Supports data rates up to 6Gbps
? RX side ODTs and management circuitry
? Integrated HPD switch, DDC switch, and +5V Power indicator switch, greatly lowering the cost and simplifying the manufacturing process
? Source/Sink connection detection for flexible system management
? I2C control supported
? Low added jitter
? 5V-tolerant DDC interfaces
? No external crystal is needed
? Adaptive equalization
? SCDC monitor

3. Application

? Front panel buffer for advanced television (HDTV) sets
? Standalone switcher
? Multiple input displays
? Projectors
? A/V receivers

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