Texas Instruments

SN65HVD3085EDGK

SN65HVD3085EDGK Description

The SN65HVD3085EDGK from Texas Instruments is a half-duplex RS-422/RS-485 transceiver designed for robust differential communication in industrial and automotive environments. Operating within a 4.5V to 5.5V supply range, it supports data rates up to 1Mbps, making it suitable for high-speed serial data transmission. The device integrates one driver and one receiver in a compact 8-pin VSSOP package, ensuring space efficiency while maintaining reliable performance. With 30mV of receiver hysteresis, it enhances noise immunity in electrically noisy conditions. Although marked as obsolete, it remains a viable choice for legacy systems requiring RS-485/RS-422 compliance.

SN65HVD3085EDGK Features

• Half-Duplex Operation: Enables bidirectional communication over a single twisted-pair cable.
• Wide Supply Range (4.5V–5.5V): Compatible with standard 5V logic systems.
• High Noise Immunity: 30mV receiver hysteresis minimizes false signaling in noisy environments.
• 1Mbps Data Rate: Supports high-speed industrial communication protocols.
• Robust ESD Protection: Meets industry standards for electrostatic discharge resilience.
• Compact 8-VSSOP Package: Ideal for space-constrained PCB designs.
• RoHS3 & REACH Compliant: Adheres to environmental and safety regulations.

SN65HVD3085EDGK Applications

• Industrial Automation: Used in PLCs, motor control, and sensor networks requiring noise-resistant communication.
• Building Automation: Facilitates reliable data transfer in HVAC and lighting control systems.
• Automotive Electronics: Suitable for in-vehicle networks where EMI resilience is critical.
• Legacy System Upgrades: Provides a drop-in replacement for older RS-485/RS-422 transceivers.
• Telecom Infrastructure: Ensures stable signal integrity in base stations and networking equipment.

Conclusion of SN65HVD3085EDGK

The SN65HVD3085EDGK is a high-performance, half-duplex transceiver optimized for noise-immune, high-speed serial communication. Its wide supply range, robust hysteresis, and compact form factor make it ideal for industrial, automotive, and legacy applications. While classified as obsolete, its reliability and compliance with industry standards ensure continued utility in systems requiring RS-485/RS-422 compatibility. Engineers seeking a cost-effective, space-saving solution for differential signaling will find this transceiver a dependable choice.