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ISO1176T Datasheet Profibus Rs-485 Transceiver

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design ISO1176T SLLSE28G – OCTOBER 2010 – REVISED OCTOBER 2015 ISO1176T Isolated Profibus RS-485 Transceiver with Integrated.

General Description

The ISO1176T is an isolated differential line transceiver with integrated oscillator outputs that provide the primary voltage for an isolation transformer.

The device is ideal for long transmission lines because the ground loop is broken to allow the device to operate with a much larger common-mode voltage range.

The symmetrical isolation barrier of each device is tested to provide 4242VPK of isolation per VDE for 60 seconds between the line transceiver and the logiclevel interface.

Key Features

  • 1 Meets or Exceeds the Requirements of EN 50170 and TIA/EIA-485-A.
  • Signaling Rates up to 40 Mbps.
  • Easy Isolated Power Design with Integrated Transformer Driver.
  • Typical Efficiency > 60% (ILOAD = 100 mA) - see SLUU471.
  • Differential Output exceeds 2.1 V (54-Ω Load).
  • Low Bus Capacitance 10 pF (Maximum).
  • Fail-safe Receiver for Bus Open, Short, or Idle.
  • 50-kV/µs Typical Transient Immunity.
  • Safety and Regulatory Approvals.

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