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SN75179B - Differential Driver and Receiver Pair

Description

The SN75179B is a differential driver and receiver pair designed for balanced transmission-line applications and meets TIA/EIA-422-B, TIA/EIA-485A, and ITU Recommendation V.11.

The device is designed to improve the performance of full-duplex data communications over long bus lines.

Features

  • Meets or exceeds the requirements of TIA/EIA-422-B, TIA/EIA-485-A, and ITU Recommendation V.11.
  • Bus voltage range:.
  • 7 V to 12 V.
  • Positive- and negative-current limiting.
  • Driver output capability: 60 mA Max.
  • Driver thermal-shutdown protection.
  • Receiver input impedance: 12 kΩ Min.
  • Receiver input sensitivity: ±200 mV.
  • Receiver input hysteresis: 50 mV Typ.
  • Operates from single 5-V supply.
  • Low power req.

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Full PDF Text Transcription

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SN75179B SLLS003F – OCTOBER 1985 – REVISED OCTOBER 2022 SN75179B Differential Driver and Receiver Pair 1 Features • Meets or exceeds the requirements of TIA/EIA-422-B, TIA/EIA-485-A, and ITU Recommendation V.11 • Bus voltage range: –7 V to 12 V • Positive- and negative-current limiting • Driver output capability: 60 mA Max • Driver thermal-shutdown protection • Receiver input impedance: 12 kΩ Min • Receiver input sensitivity: ±200 mV • Receiver input hysteresis: 50 mV Typ • Operates from single 5-V supply • Low power requirements 2 Description The SN75179B is a differential driver and receiver pair designed for balanced transmission-line applications and meets TIA/EIA-422-B, TIA/EIA-485A, and ITU Recommendation V.11.
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