AD2425W

PRODUCTION

Enhanced Automotive Audio Bus® (A2B®) Transceiver supporting both Master and 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 AD2425W is an enhanced A2B transceiver offering an expanded feature set while retaining complete compatibility with existing AD241x devices. The AD2425W is fully configurable supporting both master and slave functionality.

The AD2425W is targeted for use in wiring intensive applications where reducing the weight or complexity of existing cable harnesses is a primary system design objective. These applications include Premium Audio Systems, Active Noise Cancellation, and In-Car Communications.

Applications

  • Automotive audio communication link
  • Active noise cancellation
  • Microphone arrays for hands free and in car communication
AD2425W
Enhanced Automotive Audio Bus® (A2B®) Transceiver supporting both Master and Slave operation
AD2421W-2422W-2425W Functional Block Diagram
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Documentation

Data Sheet 1

Application Note 1

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Latest Discussions

2 Years Ago
A DPERR (data parity error) occurs on the slave0 node on the a2b network. How to analyze and handle it?
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