AD2422W

PRODUCTION

Enhanced Automotive Audio Bus® (A2B®) Transceiver supporting Slave operation

Data Sheet (Rev. SpB) Product Selection Table
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Overview

  • High bandwidth (50Mbps) digital bus support for up to 32 upstream and downstream audio channels
  • Data, control, plus power on a single wire pair provides system cost reduction using low-cost unshielded, twisted pair cable
  • Single-master, multiple-slave, line topology supports daisy chaining with zero processor intervention
  • Phantom power capability eliminates the need for local power supplies
  • Embedded diagnostics provide easy system level fault detection & correction
  • Fully configurable via SigmaStudio™ graphical design environment promotes Fast time to market

The Automotive Audio Bus® (A2B®) is an innovative technology that reduces system cost, weight, and design complexity by distributing audio and control data, together with clock and power over a single, low-cost, unshielded twisted pair cable. The AD2422W is an enhanced A2B transceiver offering an expanded feature set while retaining complete compatibility with existing AD240x devices. The AD2422W is a feature and cost reduced member (supporting slave operation only) of the A2B family specifically targeting connectivity to PDM-output microphones and sensors.

The AD2422W is targeted for use in microphone connectivity applications such as Beam Forming Arrays, Active Noise Cancellation, and In-Car Communications.

Applications

  • Automotive audio communication link
  • Active noise cancellation
  • Microphone arrays for hands free and in car communication
AD2422W
Enhanced Automotive Audio Bus® (A2B®) Transceiver supporting Slave operation
AD2421W-2422W-2425W Functional Block Diagram
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Documentation

Data Sheet 1

Application Note 1

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