Texas Instruments

SN75ALS1177N  

Drivers, Receivers, Transceivers

SN75ALS1177N Description

The SN75ALS1177N is a high-performance, half-duplex transceiver designed for reliable data transmission over RS422 and RS485 protocols. Manufactured by Texas Instruments, this device features a robust design with two drivers and two receivers, making it ideal for a variety of industrial and commercial applications. The SN75ALS1177N operates within a voltage supply range of 4.75V to 5.25V and is designed for an operating temperature range of 0°C to 70°C, ensuring stable performance across a wide range of environmental conditions.

The device is housed in a through-hole package, specifically a tube, which facilitates easy integration into various circuit designs. It is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. The SN75ALS1177N also boasts a receiver hysteresis of 50 mV, which enhances noise immunity and ensures reliable data transmission even in noisy environments.

SN75ALS1177N Features

The SN75ALS1177N offers several key features that set it apart from similar transceiver models:

• Half-Duplex Operation: The half-duplex mode allows for bidirectional communication on a single pair of wires, simplifying wiring and reducing cost.
• Receiver Hysteresis: With a 50 mV hysteresis, the receiver is highly resistant to noise, ensuring reliable data integrity.
• Wide Operating Voltage Range: The 4.75V to 5.25V supply voltage range provides flexibility and compatibility with various power supply systems.
• Robust Through-Hole Packaging: The through-hole mounting type ensures mechanical stability and ease of integration into printed circuit boards.
• Environmental Compliance: The device is REACH unaffected and RoHS3 compliant, making it suitable for use in environmentally conscious applications.
• Extended Temperature Range: The operating temperature range of 0°C to 70°C ensures reliable performance in a variety of industrial environments.

SN75ALS1177N Applications

The SN75ALS1177N is well-suited for a range of applications that require reliable and efficient data transmission over RS422 and RS485 protocols. Specific use cases include:

• Industrial Automation: Ideal for communication between PLCs, sensors, and actuators in harsh industrial environments.
• Building Automation: Used in HVAC systems, lighting control, and security systems for reliable data transmission.
• Transportation Systems: Suitable for communication between train control systems, traffic management systems, and other transportation infrastructure.
• Medical Equipment: Applicable in medical devices that require robust and reliable data transmission, such as patient monitoring systems and diagnostic equipment.

Conclusion of SN75ALS1177N

The SN75ALS1177N from Texas Instruments is a versatile and reliable half-duplex transceiver that excels in applications requiring RS422 and RS485 communication protocols. Its robust design, wide operating voltage range, and high noise immunity make it an excellent choice for industrial and commercial applications. The through-hole packaging and environmental compliance further enhance its suitability for a wide range of use cases. Whether used in industrial automation, building management, or medical equipment, the SN75ALS1177N ensures reliable and efficient data transmission, making it a standout product in its category.

SN75ALS1177N Documents

Download datasheets and manufacturer documentation for SN75ALS1177N

Images :

Mechanical Outline Drawing      

PCN :

Product Change Notification 2024-02-21 (PDF)       Product Change Notification (PDF)      

Models :

SN75ALS1177N Symbol & Footprint by SnapMagic      

Product Catalogs :

Standard Interface Guide