龙迅LT5111EX高性能国产HDMI转VGA视频转换方案介绍

LT8511EX HDMI转VGA HDMI转换芯片

1、   产品描述：

HDMI转VGA是一款可以将高清视频HDMI数字信号转换为VGA模拟信号及AUDIO模拟音频信号的转换器，HDMI信号可以驳接PS3，XBOX360，蓝光DVD，高清机顶盒，显示卡，笔记本电脑等，输出VGA可以驳接家用CRT/LED显示器、电视、投影仪等，HD TV电视VGA-IN，投影仪VGA-IN等，可方便为没有HD TV高清电视的朋友解决一时之忧。

    HDMI转VGA高清视频转换器，采用数字转换芯片，将HDMI数字信号转为VGA模拟视频信号，不对信号进行缩小，放大等任何技术处理，HDMI输出支持1080P/1.3，输入与输出完全一致（点对点输出）

2、 产品特性：

传输速率5.1Gbps

兼容HDMI1.3，无需额外供电

支持8bit,10bit,12bit色2.25GHz数据比

支持HDMI同端口下DP/TX双模式信号

支持模拟影音输出高达三对DAC芯片，UXGA的UXGA和1080P

支持音频软静音

支持2通道IIS和SPDIF音频输出

工作温度0-70度

3封装结构：

64引脚LQFP封装或者64引脚下QFN封装。

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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