Texas Instruments

SN75ALS173NSR

SN75ALS173NSR Description

The SN75ALS173NSR from Texas Instruments is a high-performance quad differential line receiver designed for robust data communication in industrial and embedded systems. Operating within a 4.75V to 5.25V supply range, this IC is optimized for RS422, RS423, and RS485 protocols, ensuring reliable signal integrity in noisy environments. Housed in a 16-pin SOIC package with surface-mount compatibility, it features 0 drivers and 4 receivers, making it ideal for unidirectional data reception. With an operating temperature range of 0°C to 70°C, it suits commercial applications, while its 50 mV receiver hysteresis enhances noise immunity. The device is RoHS3 compliant, REACH unaffected, and rated MSL 1 (Unlimited), ensuring long-term reliability.

SN75ALS173NSR Features

• Quad Differential Receiver: Supports 4-channel data reception for multi-point communication.
• Wide Protocol Compatibility: Works seamlessly with RS422, RS423, and RS485 standards.
• Enhanced Noise Immunity: 50 mV hysteresis minimizes false triggering in electrically noisy environments.
• Low Power Consumption: Optimized for 5V operation, reducing system power demands.
• Robust Packaging: 16-SOIC surface-mount design ensures compact PCB integration.
• Compliance & Reliability: RoHS3, REACH, and ECCN EAR99 certified for global deployment.

SN75ALS173NSR Applications

• Industrial Automation: Ideal for PLCs, motor control, and sensor interfaces requiring noise-resistant communication.
• Telecom Infrastructure: Used in base stations and networking equipment for reliable differential signaling.
• Embedded Systems: Suitable for microcontroller-based designs needing robust serial data reception.
• Test & Measurement: Ensures accurate data acquisition in high-interference environments.

Conclusion of SN75ALS173NSR

The SN75ALS173NSR stands out as a high-reliability receiver for differential communication systems, combining protocol flexibility, noise resilience, and industrial-grade durability. Its quad-channel design and hysteresis feature make it superior to basic receivers in challenging environments. Whether deployed in automation, telecom, or embedded applications, this IC delivers consistent performance while meeting stringent compliance standards. For engineers seeking a proven solution for unidirectional data reception, the SN75ALS173NSR is a compelling choice.