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GENERAL DESCRIPTION

The ADV7623 is a high performance, four-input, one-output, High-Definition Multimedia Interface (HDMI?) transceiver that integrates HDMI receiver and transmitter functions with digital audio I/Os onto one chip. It supports all HDCP repeater functions through fully tested Analog Devices, Inc., repeater software libraries and drivers.

The ADV7623 incorporates Xpressview? fast switching on all input HDMI ports. Using an Analog Devices hardware-based HDCP engine that minimizes software overhead, Xpressview technology allows fast switching between any HDMI input ports in less than 1 second.

The ADV7623 supports all mandatory HDMI 3D TV formats in addition to all HDTV formats up to 1080p 36-bit Deep Color. The ADV7623 also features an integrated HDMI CEC controller that supports capability, discovery, and control (CDC).

The ADV7623 has an integrated on-screen display (OSD) feature that allows generation and control of high quality character- and icon-based system status and control displays. Customers interested in using OSD are provided with Analog Devices OSD SDK.

The ADV7623 offers a dedicated flexible audio output port and a dedicated audio input port to allow for easy extraction and insertion of audio data into and out of the HDMI stream. HDMI audio formats, including SACD via DSD and compressed high bit rate audio via HBR, are supported. The ADV7623 also features an audio return channel (ARC) receiver. ARC simplifies cabling by combining upstream audio capability in a conventional HDMI cable.

Fabricated in an advanced CMOS process, the ADV7623 is provided in a 144-lead, 20 mm × 20 mm, Pb-free LQFP and is specified over the 0°C to 70°C temperature range.

FEATURES

4-input, 1-output multiplexed HDMI transceiver

Xpressview fast switching on all HDMI input ports

Character- and icon-based on-screen display (OSD)

High-Bandwidth Digital Content Protection (HDCP 1.4)

HDCP repeater support

225 MHz HDMI Rx and Tx support 36-/30-/24-bit Deep Color

Supports DVI RGB graphics up to 1600 × 1200 at 60 Hz

Ultralow jitter digital PLL (100 deskew)

Quad HDMI Rx input

Format details available on all unselected ports

Adaptive equalizer for cable lengths up to 30 meters

Internal extended display identification data (EDID) RAM

EDID replication (512 bytes per port)

EDID with HDMI cable 5 V power support

5 V detect inputs

Hot plug assertion control pins

Single HDMI Tx output

EDID data extraction

Hot plug detect (HPD) input

Audio support

HDMI-compatible audio interface

Dedicated flexible audio input/output port

S/PDIF (IEC 60958-compatible) digital audio input/output

Super audio CD (SACD) with DSD input/output interface

High bit rate (HBR) audio

Dolby? TrueHD

DTS-HD Master Audio?

Full audio input and output support

General

Interrupt controller with 3 interrupt outputs

STDI (standard identification circuit)

Software libraries, driver, and application available

2-layer PCB design supported

APPLICATIONS

AVRs

HTiB

Sound bar with HDMI repeater support

HBR enabled TVs

Other repeater applications