Manufacturer Part Number
SN65HVD1781DR
Manufacturer
Texas Instruments
Introduction
The SN65HVD1781DR is a robust half-duplex RS-422 and RS-485 transceiver designed for reliable data transmission.
Product Features and Performance
Supports RS422 and RS485 protocols
Operates with a single duplex configuration
Features a low 50 mV receiver hysteresis for improved noise rejection
Capable of data rates up to 1 Mbps
Wide supply voltage range from 3.15V to 5.5V
Operating temperature range of -40°C to 125°C
Product Advantages
Enhanced signal integrity due to increased receiver hysteresis
Designed for high-speed data communication
Can accommodate a broad range of power supplies
Suitable for harsh environmental conditions
Key Technical Parameters
Protocol: RS422, RS485
Number of Drivers/Receivers: 1/1
Duplex: Half
Receiver Hysteresis: 50 mV
Data Rate: 1 Mbps
Voltage Supply: 3.15V ~ 5.5V
Operating Temperature: -40°C ~ 125°C
Package / Case: 8-SOIC
Quality and Safety Features
Over-temperature protection
Robust ESD protection ensures longevity and reliability under electrical stress.
Compatibility
Compatible with standard RS422 and RS485 protocols
Mounts on surface mount boards with an 8-SOIC footprint
Application Areas
Industrial automation and control systems
Networked communication in harsh environments
Building automation systems
Product Lifecycle
Currently in active production
No upcoming discontinuation announced
Long-term support available
Several Key Reasons to Choose This Product
High data integrity under noisy conditions due to advanced receiver hysteresis
Diverse application suitability from industrial to building automation
Reliable performance in extreme temperatures and voltages
Strong manufacturer support and product longevity from Texas Instruments