TEXAS INSTRUMENTS  ISO3082DW  Driver Line, RS485 Transceiver, 3.15V-5.5V in, SOIC-16


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Product Overview

The ISO3082DW is an Isolated 5V Half-duplex RS-485 Transceiver, isolated full-duplex differential line driver and receiver while the ISO3082 and ISO3088 device is isolated half-duplex differential line transceivers for TIA/EIA 485/422 applications. This device is 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 2500Vrms of isolation for 60s per UL 1577 between the bus-line transceiver and the logic-level interface. Any cabled I/O can be subjected to electrical noise transients from various sources. These noise transients can cause damage to the transceiver and/or nearby sensitive circuitry if they are of sufficient magnitude and duration. This isolated device can significantly increase protection and reduce the risk of damage to expensive control circuits.
  • Meets or exceeds TIA/EIA RS-485 requirements
  • Signalling rate up to 20Mbps
  • 1/8 Unit load up to 256 nodes on a bus
  • Thermal shutdown protection
  • 16pF Low bus capacitance (typical)
  • 50kV/µs Typical transient immunity
  • Fail-safe receiver for bus open, short, idle
  • 3.3V Inputs are 5V tolerant
  • 12kV HBM between bus pins and GND2, 6kV HBM between bus pins and GND1 - bus-pin ESD protection
  • Green product and no Sb/Br


Security; Industrial; Automation & Process Control; Motor Drive & Control; HVAC; Building Automation; Communications & Networking
Device has limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
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Product Information

  • Device Type RS485 Transceiver
  • IC Interface Type RS485
  • No. of Drivers 1Drivers
  • Supply Voltage Min 3.15V
  • Supply Voltage Max 5.5V
  • Driver Case Style SOIC
  • No. of Pins 16Pins
  • Operating Temperature Min -40°C
  • Operating Temperature Max 85°C
  • Packaging Each
  • MSL MSL 2 - 1 year
  • Supply Voltage Range 3.15V to 5.5V
  • SVHC No SVHC (15-Jun-2015)

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