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
描述
The RAA788152 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 | 值 |
|---|---|
| Temp. Range (°C) | -40 to +105°C, -40 to +125°C |
| Devices Allowed on Bus | 256 |
应用方框图
 | 智能家居中央控制箱 智能家居控制箱可集成设备、监控条件并管理照明和家电。 |
 | Modbus ASCII/RTU 从板卡 低功耗 Modbus 设计可实现工厂自动化和环境监测控制。 |
 | 支持 OTA 的 PLC 模块 可实现快速 OTA 更新、精确实时控制和远程管理的高性能 PLC 模块，用于可靠的互联工业系统。 |
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