Texas Instruments THVD1500 5V RS-485收发器
Texas Instruments THVD1500 5V RS-485收发器是适用于工业应用的高达300kbps器件，具有±8kV IEC ESD保护功能。THVD1500收发器无需使用其他系统级保护元件，因为总线引脚可耐受高级别的IEC接触放电ESD事件。因为总线引脚具有宽共模电压范围和低输入泄漏，所以该器件适用于长电缆上的多点应用。THVD1500的工业温度范围为-40°C至125°C，由5V单电源供电。
特性
- Meets or exceeds the requirements of the TIA/EIA-485A Standard and the State Grid Corporation of China (SGCC) part 11 serial communication protocol RS-485 standard
- 4.5V to 5.5V Supply voltage
- Half-duplex RS-422/RS-485
- Bus I/O protection
- ±16kV HBM ESD
- ±8kV IEC 61000-4-2 Contact discharge
- ±10kV IEC 61000-4-2 Air gap discharge
- ±2kV IEC 61000-4-4 Fast transient burst
- Extended Industrial Temperature Range: -40°C to 125°C
- Large Receiver Hysteresis for Noise Rejection
- 1/8 Unit Load Options (Up to 256 Bus Nodes)
- Low EMI 300kbps
- Low Power Consumption
- Low Standby Supply Current: <1µA
- Quiescent During Operation: <660µA
- Glitch-Free Power-Up/Down for Hot Plug-in Capability
- Open, Short, and Idle Bus Failsafe
应用
- Electricity meters (E-Meters)
- Inverters
- HVAC Systems
- Video surveillance systems
发布日期: 2017-10-19
| 更新日期: 2022-07-05