Electronic Component Solutions

High-Speed Isolated 3.3 V Transceivers with Integrated DC/DC Convertors

The IL4622E and IL4685E are high-speed, fully-isolated, differential bus transceivers with integrated 3.3-to-3.3 V, one-quarter watt DC-DC convertors to provide a fullyisolated 3.3 V bus supply using the controller (UART) supply. This level of integration dramatically reduces chip count and board area. The IL4622E has full-duplex connections for RS-422 busses; the IL4685E has a half-duplex transceiver generally used with RS-485.

Features:

  • 40 Mbps transceiver
  • Integrated ¼ watt, 3.3-to-3.3 V DC-DC convertor
  • 3.3 V bus
  • 1/5 Unit Load; 160 node fanout
  • 2500 VRMS isolation voltage|
  • Up to 16.5 kV bus ESD protection
  • Full failsafe
  • Overcurrent protection
  • Thermal shutdown protection
  • −40 °C to 85 °C temperature range
  • Low EMI without ferrite beads
  • UL1577 listed; VDE V 0884-11 pending
  • 0.3″ True 8™ mm 16-pin SOIC package

IL4622E / IL4685E Datasheet

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