AD2403 PDF datasheet can download.
This product has Automotive Audio Bus A2B Transceiver functions.
This is one of the semiconductor types. This part name is AD2403.
Manufacturers of the product is Analog Devices.
Image and pinout :
Some of the text files within the PDF file
Automotive Audio Bus A2B Transceiver AD2401/AD2402/AD2403/AD2410 A2B BUS FEATURES Line topology Single master, multiple slave Up to 10 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 Control and status Information I2C to I2C Phantom power or local power slave nodes Configurable with SigmaStudioTM graphical software tool Qualified for automotive applications ADDITIONAL TRANSCEIVER FEATURES Configurable as A2B bus master or slave (AD2403/AD2410) I2C interface 8-bit to 32-bit multichannel I2S/TDM interface Up to 32 upstream channels or combination with up to 32 downstream channels I2S/TDM or PDM microphone inputs APPLICATIONS Automotive audio communication link Communication network for: Microphones/speakers Sensor/actuator I2C peripherals GENERAL DESCRIPTION The Automotive Audio Bus (A2B®) provides a multichannel, I2S/TDM link over distances of up to 10 m betw [ … ]
Please refer to the file for details.