Linear Technology/Analog Devices LTC2873IUFD#PBF RS485/RS232 Multiprotocol Transceivers are robust pin-configurable multiprotocol transceivers that supports RS232, RS485, and RS422 protocols. The LTC2873IUFD#PBF operate on single 3V to 5.5V supplies. The transceivers can be configured as a half-duplex RS485 transceiver or as an RS232 transceiver using the same two bus pins.
Feature
- One RS485 or One RS232 Transceiver
- 3V to 5.5V Supply Voltage
- Up to 20Mbps RS485
- Slew-Controlled RS232 Operation:
- Selectable 1Mbps or 250kbps
- Automatic Selection of Integrated RS485 (120Ω) and RS232 (5kΩ) Termination Resistors
- High ESD: ±26kV HBM
- Logic Loopback Mode
- 1.7V to 5.5V Logic Interface
- Supports Up to 256 RS485 Nodes
- RS485 Receiver Failsafe Eliminates UART Lockup
- H-Grade Available (–40°C to 125°C)
- Available in 24-Pin 4mm × 5mm QFN Package
Applications
- Software Selectable RS232/RS485/RS422 Interface
- Industrial Sensors and Actuators
- Alarm Systems
- Traffic Control and Monitoring
- Highway Signs and Jumbo Displays
