AD2437KCPZY

AD2437KCPZY is an A²B® transceiver that provides a multichannel, I²S/TDM link over distances of up to 30m between nodes. It embeds bidirectional synchronous pulse-code modulation (PCM) data (for example, digital audio), clock, and synchronization signals onto a single-pair differential cable. This A²B transceiver supports a direct point-to-point connection and allows multiple, daisy-chained nodes at different locations to contribute and/or consume time division multiplexed channel content. It is a single main node, multiple subordinate node system where the transceiver at the host controller is the main node. The main node generates clock, synchronization, and framing for all subordinate nodes. The main A²B transceiver is programmable over a control port (I²C/SPI) for configuration and read back. It is used in applications such as conference room transducer nodes, musical instrument connectivity, distributed audio systems, and personal audio zones.

• Clock synchronous, phase aligned in all nodes, low latency node to node communication
• Configurable with sigma studio+ graphical software tool
• Configurable as A²B bus main node or subordinate node
• 8-bit to 32-bit multichannel I²S/TDM interface, unique ID register for each transceiver
• Dedicated hardware reset pin, I²S/TDM crossbar switch
• Support for LED lighting control using 4 PWM outputs
• 8 GPIO pins with configurable pin mapping, input supply voltage is 3.3V typical
• Digital core logic supply current is 14.1mA typical at (VDVDD = 1.98V)
• Line power switch is 400μA maximum at (VVSENSEP = VVBUS = 24V)
• Operating temperature range from 0°C to 105°C, 48-lead LFCSP package

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