HDMI transceivers

14 May 2014 Telecoms, Datacoms, Wireless, IoT

Analog Devices introduced a family of three high-performance HDMI crosspoint transceivers that distribute high-definition audio and video content across a range of professional and home audio-visual systems. The ADV7625/6/7 include up to five HDMI inputs and up to two HDMI outputs and support full audio extraction and insertion (SPDIF and 8-channel I2S audio) for each video channel.

The ADV7625 is the flagship component in the family and, along with the ADV7626, supports two video channels as well as independent handling of all audio. Unlike competing devices that require an extra component to carry a second audio channel, these two devices allow for the extraction and re-insertion of audio from and to each HDMI data stream. This means audio can be processed and re-inserted into the video stream, rendered locally or switched independently.

The ADV7625 (five HDMI inputs and two HDMI outputs) and ADV7627 (five HDMI inputs and one HDMI output) support UHD HDMI inputs and outputs required by many new home A/V receivers, sound bars and TV systems delivering UHD video up to 30 frames per second and 3DTV video up to 60 frames per second.

The ADV7626 (two HDMI inputs and two HDMI outputs) supports UHD HDMI video formats for designers of professional A/V equipment, including video matrix switches and digital signage requiring UHD (4K x 2K) resolution where only one input per video channel is needed.

All of the new crosspoint transceivers support fully integrated on-screen display (OSD) functions with the ability to generate an overlay OSD on the input video including UHD.

To streamline OSD design, Analog Devices provides its proprietary Blimp OSD development tool to assist in design, debug and emulation prior to OSD integration with the system application. When the design is complete, the OSD development tool automatically generates code which can be integrated with the system application and an OSD design resource before being loaded in an external SPI Flash memory.

For more information contact Erich Nast, Avnet Kopp, +27 (0)11 319 8600, [email protected], www.avnet.co.za

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