Texas Instruments

SN75173N

SN75173N Description

The SN75173N from Texas Instruments is a quad differential line receiver designed for robust data communication in industrial and embedded systems. Operating within a 4.75V to 5.25V supply range, it supports RS422, RS423, and RS485 protocols, making it versatile for balanced and unbalanced transmission applications. Housed in a 16-pin DIP (Through Hole) package, this ROHS3-compliant device is ideal for environments requiring reliable signal integrity. With a 50 mV receiver hysteresis, it ensures noise immunity and stable performance in electrically noisy conditions. The 0°C to 70°C operating temperature range suits commercial and industrial applications, while its EAR99 classification ensures broad exportability.

SN75173N Features

• Quad Receiver Configuration: Supports 0 drivers / 4 receivers, optimized for multi-drop networks.
• Wide Protocol Compatibility: Works with RS422, RS423, and RS485 standards.
• High Noise Immunity: 50 mV hysteresis minimizes false triggering in noisy environments.
• Robust Power Handling: Operates at 5V ±5%, ensuring stable performance.
• Industrial-Grade Reliability: Through-hole mounting and REACH-unaffected status enhance durability.
• Simplified Compliance: ROHS3-compliant and MSL Not Applicable, reducing regulatory hurdles.

SN75173N Applications

• Industrial Automation: Ideal for PLC communication, motor control, and sensor interfaces in noisy industrial settings.
• Telecom Infrastructure: Used in RS485-based networks for long-distance data transmission.
• Embedded Systems: Suitable for multi-drop bus architectures in microcontroller-based designs.
• Test & Measurement Equipment: Ensures accurate signal reception in data acquisition systems.
• HVAC & Building Control: Reliable for BMS (Building Management Systems) requiring robust serial communication.

Conclusion of SN75173N

The SN75173N stands out for its high noise immunity, protocol flexibility, and industrial durability, making it a preferred choice for demanding communication systems. Its quad-receiver design and wide operating voltage cater to applications needing reliable differential signaling. Whether in factory automation, telecom, or embedded controls, this IC delivers consistent performance while simplifying compliance and integration. For engineers seeking a cost-effective, high-performance receiver, the SN75173N is a proven solution.