DESCRIPTION

· A2B and the A2B logo are registered trademarks of Analog Devices, Inc.
· Automotive Audio Bus A2B Transceiver models include AD2420(W), AD2426(W), AD2427(W), AD2428(W), and AD2429(W).
· Technical support and document feedback are available through Analog Devices' official website.

FEATURES

· Line topology with a single master and multiple slaves.
· Supports up to 15 m between nodes and up to 40 m overall cable length.
· Synchronous data communication with multichannel I2S/TDM to I2S/TDM.
· Low latency slave to slave communication with synchronous clock, phase aligned in all nodes.
· Configurable with SigmaStudio graphical software tool.
· AEC-Q100 qualified for automotive applications.
· Configurable A2B bus master or slave operation with I2C interface.
· Supports 8-bit to 32-bit multichannel I2S/TDM interface and programmable I2S/TDM data rate.
· Up to 32 upstream and 32 downstream channels with PDM interface.
· Programmable PDM clock rate and up to 4 high dynamic range microphone inputs.
· Unique ID register for each transceiver and programmable settings to optimize EMC performance.

APPLICATIONS

· Audio communication link and microphone arrays.
· Beamforming, hands-free, and in-car communication.
· Active and road noise cancellation.
· Audio/video conferencing systems.