特性
- High VOD: 3.1V (Typ.) into RD = 54Ω
- ±5kV EFT immunity of bus I/O pins
- ±10kV 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 RAA788150 5V full-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 |
|---|---|
| Transmitters (#) | 1 |
| Receivers (#) | 1 |
| Devices Allowed on Bus | 256 |
| Half/Full Duplex | Full |
| Supply Voltage Vcc Range | 4.5 to 5.5 |
| High ESD Protection | Yes-EFT Immunity |
| Hot Plug | Yes |
| Data Rate (Mbps) | 0.115 |
| Slew Rate Limited | Yes |
| Tx/Rx Enable | Yes |
| IS Enabled/Disabled | 800/700 µA |
| SHDN ICC | 0.07 µA |
| VL Pin | No |
| Advanced Features | Ruggedized |
应用方框图
|
工业以太网连接物联网传感器集线器
瑞萨电子物联网传感器集线器支持多种以太网协议，可减少所需材料并缩小 PCB 尺寸，提升传感器效率。
|
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