Texas Instruments

SN75LBC179AD  

Drivers, Receivers, Transceivers

SN75LBC179AD Description

The SN75LBC179AD from Texas Instruments is a high-performance RS422/RS485 transceiver designed for robust differential data communication. This full-duplex transceiver integrates one driver and one receiver, supporting data rates up to 30 Mbps, making it suitable for high-speed industrial and commercial applications. Operating within a 4.75V to 5.25V supply range, it ensures reliable performance in noisy environments with 50 mV receiver hysteresis for enhanced noise immunity. The device is housed in an 8-pin SOIC package, optimized for surface-mount assembly, and complies with ROHS3 and REACH environmental standards.

SN75LBC179AD Features

• High-Speed Operation: Supports 30 Mbps data rates, ideal for fast communication systems.
• Robust Noise Immunity: 50 mV receiver hysteresis minimizes errors in electrically noisy environments.
• Full-Duplex Communication: Enables simultaneous bidirectional data transmission.
• Wide Operating Voltage: 4.75V–5.25V range ensures compatibility with standard 5V systems.
• Surface-Mount Design: 8-SOIC package for compact PCB integration.
• Industrial Compliance: ROHS3 and REACH compliant, with EAR99 export classification.
• Extended Temperature Range: Operates from 0°C to 70°C, suitable for commercial applications.

SN75LBC179AD Applications

• Industrial Automation: Reliable data transmission in PLCs, motor control, and sensor networks.
• Telecommunications: High-speed RS485/RS422 interfaces for modems and network equipment.
• Building Automation: HVAC systems, security networks, and lighting control.
• Medical Equipment: Noise-immune communication in diagnostic and monitoring devices.
• Point-of-Sale (POS) Systems: Secure transaction processing with robust signal integrity.

Conclusion of SN75LBC179AD

The SN75LBC179AD is a versatile RS422/RS485 transceiver offering high-speed, noise-immune communication in a compact, surface-mount package. Its full-duplex operation, 30 Mbps capability, and industrial-grade robustness make it an excellent choice for demanding applications in automation, telecom, and medical systems. While marked obsolete, its proven performance ensures continued relevance in legacy and cost-sensitive designs. For engineers seeking a reliable differential bus transceiver, the SN75LBC179AD remains a strong contender.

SN75LBC179AD Documents

Download datasheets and manufacturer documentation for SN75LBC179AD

Datasheets :

SN65LBC179A, SN75LBC179A      

PCN Obsolescence/ EOL :

Mult Dev EOL 31/Oct/2022      

HTML Datasheet :

SN65LBC179A, SN75LBC179A      

PCN Design/Specification :

Design 25/Feb/2022       Mult Dev Add Subs 4/Nov/2022