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AD2420

Analog Devices
Part Number AD2420
Manufacturer Analog Devices
Description Automotive Audio Bus A2B Transceiver
Published Feb 5, 2020
Detailed Description Automotive Audio Bus A2B Transceiver AD2420(W)/AD2426(W)/AD2427(W)/AD2428(W)/AD2429(W) A2B BUS FEATURES Line topology ...
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AD2420
AD2420

Overview
Automotive Audio Bus A2B Transceiver AD2420(W)/AD2426(W)/AD2427(W)/AD2428(W)/AD2429(W) A2B BUS FEATURES Line topology Single master, multiple slave Up to 15 m between nodes and up to 40 m overall cable length (see Table 9) Communication over distance Synchronous data Multichannel I2S/TDM to I2S/TDM Synchronous clock, phase aligned in all nodes Low latency slave to slave communication Control and status information I2C to I2C GPIO and interrupt Bus power or local power slave nodes Configurable with SigmaStudio graphical software tool AEC-Q100 qualified for automotive applications A2B TRANSCEIVER FEATURES Configurable A2B bus master or slave operation I2C interface 8-bit to 32-bit multichannel I2S/TDM interface Programmable I2S/TDM data rate Up to 32 upstream and 32 downstream channels PDM interface Programmable PDM clock rate Up to 4 high dynamic range microphone inputs Simultaneous reception of I2S data with up to 4 PDM microphones Unique ID register for each transceiver Crossover o...


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