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ISO3080 Datasheet 5-V Full- and Half-Duplex RS-485 Transceivers

Manufacturer: Texas Instruments

Overview: Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design ISO3080, ISO3082, ISO3086, ISO3088 SLOS581I – MAY 2008 – REVISED APRIL 2017 ISO308x Isolated 5-V Full- and Half-Duplex.

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General Description

The ISO3080 and ISO3086 devices are isolated fullduplex differential line drivers and receivers while the ISO3082 and ISO3088 devices are isolated halfduplex differential line transceivers for TIA/EIA 485/422 applications.

These devices are ideal for long transmission lines because the ground loop is broken to allow for a much larger common-mode voltage range.

The symmetrical isolation barrier of the device is tested to provide 2500 VRMS of isolation for 60 s per UL 1577 between the bus-line transceiver and the logic-level interface.

Key Features

  • 1 Meets or Exceeds TIA/EIA RS-485 Requirements.
  • Signaling Rates up to 20 Mbps.
  • 1/8 Unit Load.
  • Up to 256 Nodes on a Bus.
  • Thermal Shutdown Protection.
  • Low Bus Capacitance.
  • 16 pF (Typical).
  • 50 kV/μs Typical Transient Immunity.
  • Fail-safe Receiver for Bus Open, Short, Idle.
  • 3.3-V Inputs are 5-V Tolerant.
  • Bus-Pin ESD Protection.
  • 12-kV HBM Between Bus Pins and GND2.
  • 6-kV HBM Between Bus.

More Datasheets from Texas Instruments

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