Analog Devices Inc. ADV7682WBSWZ-P-RL

Overview

ADV7682WBSWZ-P-RL from Analog Devices is an automotive-qualified APIX2 transmitter IC with dual HDMI receivers, HDCP 1.4 decryption on both ports, integrated CEC 1.4 controller, and support for dual independent video/audio streams up to 2.57 Gbps per link. It enables daisy-chained remote displays in vehicle infotainment head units and rear-seat entertainment systems.

For engineers reviewing the ADV7682WBSWZ-P-RL datasheet, ADV7682WBSWZ-P-RL pinout, ADV7682WBSWZ-P-RL application, or ADV7682WBSWZ-P-RL equivalent, key selection criteria include APIX2 link bandwidth (3000 Mbps downstream), dual-HDCP repeater capability (up to 24 KSVs), ITU-R BT.656 interface support, and automotive-grade LQFP_EP package qualification.

Technical Context

The ADV7682WBSWZ-P-RL integrates two independent HDMI receivers with hardware-accelerated HDCP 1.4 decryption and a dedicated APIX2 transmitter supporting 3000 Mbps sustained downstream bandwidth. Its dual-channel encryption engine enables secure daisy-chain topologies without external key management.

It features sideband communication via MII, SPI, I²C, and GPIO interfaces, plus an integrated CEC 1.4 controller and adaptive TMDS equalizer. The device supports synchronized dual audio streams using on-chip sample rate conversion (SRC) and delivers 720p video at 148.5 MHz via 8-bit ITU-R BT.656 interface.

Key Specifications

Pinout & Package

ADV7682WBSWZ-P-RL is housed in a 100-lead LQFP_EP package with exposed thermal pad (EP) for enhanced thermal dissipation in automotive environments. Pinout validated per Analog Devices ADV7682 Rev. SpA datasheet, Figure 1 and Pin Description Table.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar APIX2 transmitter applications.

Compared with ADV7682WBSWZ-P-RL, ADV7681WBSWZ-P-RL lacks dual-HDCP support and reduces system-level security flexibility, while MAX96705GTJ+T introduces protocol translation overhead and increases BOM count due to missing integrated security and control peripherals.

Availability

ADV7682WBSWZ-P-RL is available at Aetrix Electronics and suitable for automotive infotainment head units, rear seat entertainment systems, and HDMI repeater modules requiring stable component supply, AEC-Q100 qualification, and long-term lifecycle support.

Supply support for ADV7682WBSWZ-P-RL includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Analog Devices, Inc. is a global semiconductor company specializing in high-performance analog, mixed-signal, and digital signal processing technologies for precision, power, and connectivity applications.

The ADV7682WBSWZ-P-RL belongs to Analog Devices' automotive video interface product line, designed specifically to enable secure, high-bandwidth video transport in next-generation vehicle infotainment and ADAS display architectures.

FAQ

What is the primary function of the ADV7682WBSWZ-P-RL in automotive systems?

The ADV7682WBSWZ-P-RL serves as a dual-port HDMI-to-APIX2 bridge IC with integrated HDCP 1.4 decryption and CEC 1.4 control. In automotive systems, it enables secure, low-latency video transport from multiple HDMI sources-such as cameras and media players-to remote displays over robust serial links, while maintaining full content protection and remote control interoperability. Its role is critical in head units and RSE systems where dual-input handling and automotive qualification are mandatory.

Does the ADV7682WBSWZ-P-RL support HDCP repeater functionality?

Yes, the ADV7682WBSWZ-P-RL supports full HDCP 1.4 repeater functionality with hardware acceleration across both HDMI ports and the APIX2 transmitter. It can manage up to 24 Key Selection Vectors (KSVs), enabling compliant chaining of multiple displays or downstream devices without external HDCP logic. This capability is implemented in silicon and does not require host MCU firmware intervention for key exchange or authentication handshaking.

What interfaces does the ADV7682WBSWZ-P-RL provide for sideband communication?

The ADV7682WBSWZ-P-RL provides four sideband communication interfaces: Media Independent Interface (MII), Serial Peripheral Interface (SPI), I²C, and general-purpose I/O (GPIO). These allow bidirectional control and status exchange between the APIX2 master node and the ADV7682WBSWZ-P-RL, supporting functions such as diagnostics, touch feedback, firmware updates, and link health monitoring without consuming the main video bandwidth.

Is the ADV7682WBSWZ-P-RL qualified for automotive use?

Yes, the ADV7682WBSWZ-P-RL is AEC-Q100 Grade 2 qualified (−40°C to +105°C ambient), packaged in a 100-lead LQFP_EP with exposed thermal pad for reliable thermal performance in automotive cabin and under-dash environments. Its qualification covers temperature cycling, humidity testing, and mechanical shock-ensuring suitability for infotainment head units, media ports, and rear-seat entertainment systems deployed in production vehicles.

How does the ADV7682WBSWZ-P-RL handle audio synchronization across dual HDMI inputs?

The ADV7682WBSWZ-P-RL uses an on-chip sample rate converter (SRC) to synchronize two independent audio streams extracted from its dual HDMI receivers. This allows simultaneous playback of asynchronous sources-such as navigation voice and Bluetooth music-without jitter or drift. The SRC aligns audio clocks to an external master reference, eliminating the need for external clock domain crossing circuitry and simplifying system-level audio timing design in the ADV7682WBSWZ-P-RL-based platform.