Texas Instruments

SN65HVD1781DG4  

Drivers, Receivers, Transceivers

SN65HVD1781DG4 Description

The SN65HVD1781DG4 is a high-performance transceiver designed by Texas Instruments, optimized for RS422 and RS485 communication protocols. This half-duplex transceiver features one driver and one receiver, making it suitable for applications requiring reliable data transmission at a rate of up to 1Mbps. The device operates within a supply voltage range of 3.15V to 5.5V, ensuring compatibility with a wide range of power supplies. The SN65HVD1781DG4 is housed in a surface-mount package, specifically an 8SOIC, which is ideal for compact and space-constrained designs. With a receiver hysteresis of 50 mV, the transceiver ensures stable and accurate signal detection, even in noisy environments. The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. Packaged in a tube, the SN65HVD1781DG4 has a moisture sensitivity level (MSL) of 1, indicating unlimited shelf life under standard conditions.

SN65HVD1781DG4 Features

• Half-Duplex Operation: The SN65HVD1781DG4 is designed for half-duplex communication, allowing for efficient data transmission in applications where bidirectional communication is required but simultaneous sending and receiving are not necessary.
• High Data Rate: Capable of operating at a data rate of up to 1Mbps, this transceiver ensures fast and reliable data transfer, making it suitable for high-speed communication systems.
• Wide Supply Voltage Range: The device operates within a supply voltage range of 3.15V to 5.5V, providing flexibility and compatibility with various power supply configurations.
• Receiver Hysteresis: With a receiver hysteresis of 50 mV, the SN65HVD1781DG4 ensures stable and accurate signal detection, reducing the likelihood of errors in noisy environments.
• Surface-Mount Package: The 8SOIC surface-mount package is ideal for compact designs, enabling the integration of the transceiver into space-constrained systems.
• Environmental Compliance: The SN65HVD1781DG4 is REACH unaffected and RoHS3 compliant, ensuring that it meets the highest environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 1, the device has unlimited shelf life under standard conditions, reducing the risk of moisture-related damage during storage and handling.

SN65HVD1781DG4 Applications

The SN65HVD1781DG4 is ideal for a variety of applications that require reliable and efficient data communication. Some specific use cases include:

• Industrial Automation: In industrial settings, the transceiver can be used for communication between PLCs (Programmable Logic Controllers), sensors, and actuators, ensuring robust and error-free data transmission.
• Building Automation: For building management systems, the SN65HVD1781DG4 can facilitate communication between various subsystems, such as HVAC (Heating, Ventilation, and Air Conditioning) controls, lighting systems, and security devices.
• Transportation Systems: In transportation applications, the transceiver can be used for communication between vehicle control units, ensuring reliable data transfer for critical functions such as engine management, braking systems, and infotainment systems.
• Telecommunications: The device is suitable for use in telecommunication infrastructure, providing reliable data links between various components of the network.

Conclusion of SN65HVD1781DG4

The SN65HVD1781DG4 from Texas Instruments is a versatile and reliable transceiver designed for RS422 and RS485 communication protocols. With its high data rate, wide supply voltage range, and robust receiver hysteresis, the device offers superior performance in various applications. The surface-mount package and environmental compliance make it an ideal choice for modern, compact, and eco-friendly designs. Whether used in industrial automation, building management, transportation systems, or telecommunications, the SN65HVD1781DG4 ensures reliable and efficient data communication, making it a valuable component in any high-performance system.

SN65HVD1781DG4 Documents

Download datasheets and manufacturer documentation for SN65HVD1781DG4

PCN Assembly/Origin :

Mult Dev Wafer Fab Site 09/Jan/2024      

Datasheets :

SN65HVD1780-82      

HTML Datasheet :

SN65HVD1780-82      

PCN Design/Specification :

Design 25/Feb/2022       SN65HVD178YY 07/Jun/2017