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AD2422W - Automotive Audio Bus A2B Transceiver

Download the AD2422W datasheet PDF. This datasheet also covers the AD2421W variant, as both devices belong to the same automotive audio bus a2b transceiver family and are provided as variant models within a single manufacturer datasheet.

General Description

The Automotive Audio Bus (A2B®) provides a multichannel, I2S/TDM link over distances of up to 15 m between nodes.

audio), clock, and synchronization signals onto a single differential wire pair.

Key Features

  • Line topology Single master, multiple slave Up to 15 m between nodes and up to 40 m overall cable length Communication over distance Synchronous data Multichannel I2S/TDM to I2S/TDM Clock synchronous, phase aligned in all nodes Low latency slave to slave communication Control and status information I2C to I2C GPIO over distance Phantom power or local power slave nodes Configurable with SigmaStudio graphical software tool Qualified for automotive.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AD2421W-AnalogDevices.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Analog Devices

Part Number Description
AD2420 Automotive Audio Bus A2B Transceiver
AD2420W Automotive Audio Bus A2B Transceiver
AD2421W Automotive Audio Bus A2B Transceiver
AD2425W Automotive Audio Bus A2B Transceiver
AD2426 Automotive Audio Bus A2B Transceiver

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Data Sheet  Automotive Audio Bus A2B Transceiver AD2421W/AD2422W/AD2425W A2B BUS FEATURES Line topology Single master, multiple slave Up to 15 m between nodes and up to 40 m overall cable length Communication over distance Synchronous data Multichannel I2S/TDM to I2S/TDM Clock synchronous, phase aligned in all nodes Low latency slave to slave communication Control and status information I2C to I2C GPIO over distance Phantom power or local power slave nodes Configurable with SigmaStudio graphical software tool Qualified for automotive applications ADDITIONAL TRANSCEIVER FEATURES Configurable as A2B bus master or slave (AD2425W) I2C interface 8-bit to 32-bit multichannel I2S/TDM interface I2S/TDM/PDM programmable data rate Up to 32 upstream and 32 downstream channels PDM inputs for 4 high