Data Sheet
ADV7674
48 Gbps HDMI 4:1 Transceiver
FEATURES
GENERAL DESCRIPTION
► 4-input, 1-output HDMI transceiver, uncompressed video support
► Up to 8k60 YCbCr 4:2:0 12-bit video support
The ADV7674 is a High-Definition Multimedia Interface (HDMI®)
transceiver.
► Up to 8k30 RGB/YCbCr 4:4:4/4:2:2 12-bit video support
► Up to 4k120 4:4:4 12-bit high frame rate video support
The ADV7674 supports 48 Gbps fixed rate link (FRL) and
18 Gbps transition minimized differential signaling (TMDS) video
rates and provides four independent HDMI receiver ports, an HDMI
transmitter port, an audio input port, an audio output port, four en-
hanced audio return channel (eARC) outputs, and eARC receiver.
► HDMI inputs
► Up to 48 Gbps FRL support
► Up to 18 Gbps TMDS video support
► InstaPort UHD fast switching
► eARC/ARC transmitter per port
► On-chip, 4-block EDID SRAM per port (EDID content man-
aged by external MCU through API)
™
InstaPort ultrahigh definition (UHD) fast switching is supported
between each HDMI receiver input.
™
The ADV7674 features an EZ Audio 1:4 eARC/ARC switch. The
audio input port and audio output port each support 8‑channel,
192 kHz linear pulse code modulation (LPCM) and compressed
audio formats (see Table 9).
► HDMI output
► Up to 48 Gbps FRL support
► Up to 18 Gbps TMDS video support
► eARC receiver
► HDCP
► HDCP 1.4 and HDCP 2.3 support
The ADV7674 eARC/ARC transmitters and receiver support
8-channel, 192 kHz LPCM audio and high bit rate audio (HBR)
compressed audio formats including 1-bit Direct Stream Digital®
(DSD) audio, Dolby Atmos , Dolby TrueHD , and DTS‑HD . The
ADV7674 also supports variable refresh rate (VRR), fast Vactive
(FVA), and automatic low latency mode (ALLM) passthrough mode
for HDMI.
™
™
™
► Independent HDCP support on HDMI output and on each
HDMI input
► Fully integrated HDCP 1.4, and HDCP 2.3 repeater modes
► On-chip key storage in OTP memory
► Audio
The ADV7674 supports passthrough of Display Stream Compres-
sion (DSC) 1.2a data and High Dynamic Range (HDR) metadata
™
passthrough for HDMI dynamic HDR, HDR10+, and Dolby Vision
.
► EZ Audio 1:4 eARC/ARC switch
► Audio extraction and insertion ports
► 6-channel, 1-bit audio support
► 8-channel, 192 kHz, 24-bit LPCM audio support
► 24.576 Mbps IEC 61937 compressed audio support
► Video
The ADV7674 implements the High-bandwidth Digital Content Pro-
tection (HDCP) 2.3 specification to protect the delivery of premium
content. HDCP 2.3 is applied in transmitter, receiver, and repeater
configurations, and is backward compatible with HDCP 2.2.
The ADV7674 is configured via I2C using a high level host controller
application programming interface (API).
► FRL to TMDS and TMDS to FRL mode conversion
► VRR, FVA, ALLM, and DSC 1.2a passthrough support
► Dynamic HDR passthrough support including HDMI dynamic
HDR metadata, HDR10+, and Dolby Vision
► HDMI 1.4a, HDMI1.4b, HDMI2.0, HDMI2.1 compliant and DVI-
compatible transceiver
The ADV7674 is provided in a 108-lead lead frame chip scale
package (LFCSP) with exposed pad and is specified over the 0°C
to 70°C temperature range.
To sample or purchase the ADV7674, customers must be licensed
HDMI 2.1 adopters through HDMI Licensing Administrator, Inc., and
licensed HDCP 2.x adopters through Digital Content Protection,
LLC (DCP).
APPLICATIONS
► TVs, set top boxes, projectors, audio video receivers, home
theaters, switching, and soundbars
Analog Devices is in the process of updating documentation to provide terminology and language that is culturally appropriate. This is a process
with a wide scope and will be phased in as quickly as possible. Thank you for your patience.
For more information about the ADV7674, contact your local Analog Devices, Inc., sales office at www.analog.com/sales.
Rev. SpA
Information furnished by Analog Devices is believed to be accurate and reliable "as is". However, no responsibility is assumed by Analog
Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to
DOCUMENT FEEDBACK
change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
TECHNICAL SUPPORT
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