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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: 20Mbps
  • 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

描述

The RAA788158 5V half-duplex powered RS-485/RS-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.

产品参数

属性
Transmitters (#) 1
Receivers (#) 1
Devices Allowed on Bus 256
Half/Full Duplex Half
Supply Voltage Vcc Range 4.5 to 5.5
High ESD Protection Yes-EFT Immunity
Hot Plug Yes
Data Rate (Mbps) 20
Slew Rate Limited No
Tx/Rx Enable Yes
IS Enabled/Disabled 800/700 µA
SHDN ICC 0.07 µA
VL Pin No
Advanced Features Ruggedized, High Speed

封装选项

Pkg. Type Pkg. Dimensions (mm) Lead Count (#) Pitch (mm)
MSOP 3.0 x 3.0 x 0.00 8 0.7
SOICN 4.9 x 3.9 x 0.00 8 1.3

应用方框图

Interactive block diagram of the 3-phase AC motor with a soft start features an MCU, HVPAK and optional bus interfaces.
3 相交流电机软启动
采用相位角控制技术的软启动器,可实现三相交流电机的平稳加速启动,并通过继电器旁路简化布线。
Photovoltaic (PV) Arc Detection System Block Diagram
光伏(PV)电弧检测系统
实时 PV 电弧检测系统能够快速、准确地识别故障,将火灾风险降至最低。
Displacement Measurement Using LVDT Block Diagram
LVDT 位移测量
高精度 LVDT 位移传感器系统,具有强大的信号处理能力,适用于工业自动化。
Industrial IoT Gateway with Multiple PHY Block Diagram
具有多个 PHY 的工业物联网网关
可扩展的 IIoT 网关,具有边缘处理和丰富的有线和无线接口。
High-Power 10.5kW Motor Control Block Diagram
10.5kW 大功率电机控制
大功率电机控制系统可支持 10.5kW,并具有高效 MCU 管理功能和灵活连接方式。
High-End Controller for Predictive Maintenance Block Diagram
支持 e-AI 的 GUI 控制器,适配家电与工业系统
支持 e-AI 的人机界面控制器可通过 AI、预测性维护和丰富的连接性实现智能控制。
Force Sensor Solution Block Diagram
力传感器系统
用于准确检测和计算应变片测量值的力传感器系统。
This industrial Ethernet gateway platform allows connecting Modbus RTU/TCP devices to modern Ethernet networks.
工业以太网网关和传感器系统
快速启动模块可实现传感器和网关的无缝以太网连接。

其他应用

  • 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

当前筛选条件

Overview of the key features, advantages and target applications for the RAA78817x family of 3.3V RS-485/422 transceivers with +/-3kV EFT immunity and the RAA78815x family of 5V RS-485/422 transceivers with +/-5KV EFT immunity.