ADI ADV7625 HDMI收发解决方案

ADI公司的ADV7625是高性能5输入双输出的高清多媒体接口(HDMI)收发器,支持3GHz视频,具有两个独立的HDMI接收器,两个独立的HDMI发送器,两个音频输出端,两个音频输入端和象素端输入,支持所有的HDCP中继器功能,主要用在AVR,带HDMI的条形音响以及其它中继应用.本文介绍了ADV7625主要特性,详详细细功能框图,以及视频评估板EVAL-ADV7625-SMZ主要特性,框图和电路图,PCB元件布局图.
The ADV7625 is a high performance, five-input, dual-output, High-Definition Multimedia Interface (HDMI®) transceiver with crosspoint and splitter capabilities. The ADV7625 supports 3 GHz video and features two independent HDMI receivers, two independent HDMI transmitters, two audio output ports, two audio input ports, and a pixel port input.
The ADV7625 supports all HDCP repeater functions through fully tested Analog Devices, Inc., repeater software libraries and drivers.
The HDMI receivers and transmitters in the ADV7625 support the reception and transmission of 3 GHz video formats up to 4k × 2k at 24 Hz/25 Hz/30 Hz, in addition to all mandatory HDMI 3D TV formats. The receivers and transmitters also provide support for THX® Media Director™.
Each HDMI receiver features an integrated equalizer that ensures robust operation of the interface with cable lengths up to 30 meters. The HDMI receivers share a 768-byte volatile extended display identification data (EDID) memory, which can facilitate one or two EDIDs, one for each receiver. Each HDMI port features dedicated 5 V detect and Hot Plug™ assert pins.
Each HDMI transmitter supports audio return channel (ARC) and features an integrated HDMI CEC controller that supports capability discovery and control (CDC).
The ADV7625 offers two audio output ports and two audio input ports. Each audio port supports the extraction and insertion of up to eight channels of audio data out of or into the HDMI streams. HDMI audio formats, including I2S, S/PDIF, direct stream digital (DSD), and high bit rate (HBR) audio are supported.
The ADV7625 feat...