接口&连接

概览

描述

The RAA788152 5V half-duplex powered RS-485/422 transceiver features high output drive and high EFT and ESD protection. The device is immune to ±5kV IEC 61000-4-4 EFT transients and can withstand up to ±16.5kV IEC 61000-4-2 ESD strikes without latch-up.

The RAA78815x family includes half and full-duplex transceivers with active-high driver-enable pins and active-low receiver-enable pins. These transceivers support data rates of 115kbps, 1Mbps and 20Mbps with a performance that is characterized from -40 °C to +85 °C.

特性

  • High VOD: 3.1V (Typ) into RD = 54Ω
  • ±5kV EFT immunity of bus I/O pins
  • ±16.5kV ESD protection on bus I/O pins
  • Supported data rates: 115kbps
  • Full fail-safe outputs for open or shorted inputs
  • Hot plug capability
  • 1/8 unit load
  • Allows for up to 512 transceivers on the bus
  • Low supply current (driver disabled): 550μA
  • Ultra-low shutdown current: 70nA

应用

  • Industrial networks in factory automation
  • Building automation: lighting, elevators, HVAC
  • Industrial process control networks
  • Security camera networks
  • Networks with star topology
  • Long-haul networks in coal mines and oil rigs
  • High node-count networks
  • Automated utility e-meter reading systems

文档

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手册
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Product Advisory
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产品变更通告
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技术摘要
PDF1010 KBEnglish
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RAA78815x Family of 5V RS-485/422 Transceivers with +/-5KV EFT Immunity

Overview of the key features, advantages and target applications for the RAA78815x family of 5V RS-485/422 transceivers with +/-5KV EFT immunity.