AD2410W: AUTOMOTIVE AUDIO BUS A2B TRANSCEIVER

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AD2410W: AUTOMOTIVE AUDIO BUS A2B TRANSCEIVER

The Automotive Audio Bus (A2B™) provides a multi-channel, I2S/TDM link over distances of up to 10 meters between nodes. It embeds bi-directional synchronous data (for example digital audio), clock and synchronization signals onto a single differential wire pair. A2B supports a direct point-to-point connection and allows multiple, daisy chained nodes at different locations to contribute or consume time division multiplexed channel content. A2B is a single-master, multiple-slave system where the transceiver chip at the host controller is the master. It generates clock, synchronization and framing for all slave nodes. The master A2B chip is programmable over a control bus (I2C) for configuration and read back. An extension of this control bus is embedded in the A2B data stream allowing direct access of registers and status information on slave transceivers as well as I2C-to-I2C communication over distance

FEATURES AND BENEFITS

    • High bandwidth (50Mbps) digital bus
    • Data, control, plus power on a single wire pair
    • Single-master, multiple-slave, line topology
    • Phantom power capability
    • Embedded diagnostics
    • Fully configurable via SigmaStudio™ graphical design environment
    • Support for up to 32 upstream and downstream audio channels
    • System cost reduction using low-cost UTP cable
    • Daisy chaining supported with zero processor overhead
    • Eliminates the need for local power supplies
    • Easy system level fault detection & correction
    • Fast time to market

APPLICATIONS

    • Automotive audio communication link
    • Communication network for:
        • Microphones/speakers
        • Sensor/actuator
        • I2C Peripherals

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