龍迅LT5111EX高性能?chē)?guó)產(chǎn)HDMI轉(zhuǎn)VGA視頻轉(zhuǎn)換方案介紹

LT8511EX HDMI轉(zhuǎn)VGA HDMI轉(zhuǎn)換芯片

1、   產(chǎn)品描述：

HDMI轉(zhuǎn)VGA是一款可以將高清視頻HDMI數(shù)字信號(hào)轉(zhuǎn)換為VGA模擬信號(hào)及AUDIO模擬音頻信號(hào)的轉(zhuǎn)換器，HDMI信號(hào)可以駁接PS3，XBOX360，藍(lán)光DVD，高清機(jī)頂盒，顯示卡，筆記本電腦等，輸出VGA可以駁接家用CRT/LED顯示器、電視、投影儀等，HD TV電視VGA-IN，投影儀VGA-IN等，可方便為沒(méi)有HD TV高清電視的朋友解決一時(shí)之憂。

    HDMI轉(zhuǎn)VGA高清視頻轉(zhuǎn)換器，采用數(shù)字轉(zhuǎn)換芯片，將HDMI數(shù)字信號(hào)轉(zhuǎn)為VGA模擬視頻信號(hào)，不對(duì)信號(hào)進(jìn)行縮小，放大等任何技術(shù)處理，HDMI輸出支持1080P/1.3，輸入與輸出完全一致（點(diǎn)對(duì)點(diǎn)輸出）

2、 產(chǎn)品特性：

傳輸速率5.1Gbps

兼容HDMI1.3，無(wú)需額外供電

支持8bit,10bit,12bit色2.25GHz數(shù)據(jù)比

支持HDMI同端口下DP/TX雙模式信號(hào)

支持模擬影音輸出高達(dá)三對(duì)DAC芯片，UXGA的UXGA和1080P

支持音頻軟靜音

支持2通道IIS和SPDIF音頻輸出

工作溫度0-70度

3封裝結(jié)構(gòu)：

64引腳LQFP封裝或者64引腳下QFN封裝。

1. General Description

LT8511EX is a low cost high performance single port HDMI and dual-mode Displayport receiver whICh is compliant with HDMI 1.4. The RX can receive 4Kx2K(1080p 8/10/12bit deep color, up to 3.4GHz data ratio) input. Besides it supports analog video-output(VGA or YPbPr) up to 4Kx2K, 1920x1200, and 1080p with three high resolution DACs. The chip integrates dual-mode receiver front end with equalizer, HDMI core and HDCP engine in a single chip.

2. Features

? On-chip HDMI and dual-mode DP receiver with Equalizer, supports 4Kx2K, 1920x1200  and 1080p 8/10/12bit deep color, up to 3.4GHz data ratio.

? On chip receiver core which is compliant with HDMI1.4 specification.

? On chip HDCP engine which is compliant with HDCP1.4 spec.

? HDCP key stored in MCU for BOM cost reduction.

? Supports analog video output (VGA or YPbPr) up to 4Kx2K, 1920x1200, and 1080p with three on chip DAC.

? On-chip audio decoder which supports 2-channel IIS and SPDIF audio outputs.

? Support audio soft mute.

? On chip YCC422 to YCC444 conversion.

? On chip YCC to RGB and RGB to YCC conversion in ITU-R BT.601 and 709 color space.

? Support separate sync output and SOG/SOY.

? Flexible interrupt registers with interrupt pin.

? Link on and Valid DE detection.

? Offered in 64-pin QFN package, and operates over -40°C to +85°C temperature range.

3. Applications

? Mobile Phone
? Tablet/Pad
? Ultra book
? Home Game Console
? PC/Graphic Card

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