Analog Devices Inc. ADIN2111 2-Port Ethernet Switches

Analog Devices Inc. ADIN2111 2-Port Ethernet Switches are low power, low complexity switches integrating two-Ethernet ports, 10BASE-T1L PHYs, and one serial peripheral interface (SPI) port. The ADIN2111 is ideal for industrial Ethernet applications using low power-constrained nodes. The device is compliant with the IEEE® 802.3cg-2019™ Ethernet standard for long-reach 10Mbps single pair Ethernet (SPE).

The ADI ADIN2111 2-Port Ethernet Switches support various routing configurations between the two Ethernet ports and the SPI host port, delivering a flexible solution for line, daisy-chain, or ring network topologies. Additionally, the device permits a cable reach of up to 1700 meters with an ultra-low power consumption of 77mW.

System-level robustness is improved with an integrated voltage supply monitoring circuit and power-on reset (POR) circuitry. The ADIN2111 can configure the 4-wire SPI for communication with the host to OPEN Alliance SPI or generic SPI. Both modes support optional data protection or cyclic redundancy check (CRC).

FEATURES

  • 10BASE-T1L IEEE Standard 802.3cg-2019 compliant
  • Supports 1.0V p-p and 2.4V p-p transmit levels
  • Cable reach
    • Up to 1700 meters with 1.0V p-p transmit level
    • Up to 1700 meters with 2.4V p-p transmit level
  • Low power consumption
    • Single supply 1.0V p-p: 90mW typical
    • Dual supply 1.0V p-p: 77mW typical
  • Integrated switch with SPI
    • 10Mbps full-duplex
    • 16 MAC addresses supported for frame forwarding
    • Supports OPEN Alliance 10BASE-T1x MAC PHY SPI
    • MDIO memory map accessible via SPI
    • Supports high and low priority queues
    • Total buffer memory of 28kB shared between ports and host
  • Autonegotiation capability
  • Managed or unmanaged configuration
  • Cut through or store and forward operation
  • IEEE 1588 timestamp capture on transmit and receive
  • Diagnostics
    • Frame generator and checker
    • Multiple loopback modes
    • IEEE test mode support
    • Port dedicated statistics counters
    • Link and cable diagnostics
  • 25MHz crystal or external clock input
  • Single or dual supply with 1.8V or 3.3V operation
  • Integrated power supply monitoring and POR
  • 48-lead, 7mm x 7mm LFCSP Small package
  • Temperature range
    • -40°C to +85°C Industrial
    • -40°C to +105°C Extended
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