Texas Instruments

SN75ALS191D  

Drivers, Receivers, Transceivers

SN75ALS191D Description

The SN75ALS191D is a high-performance integrated circuit (IC) driver designed by Texas Instruments, featuring two drivers and no receivers in an 8-pin SOIC package. This driver is specifically engineered for RS422 and RS485 communication protocols, making it ideal for a wide range of industrial and commercial applications. The SN75ALS191D operates within a supply voltage range of 4.75V to 5.25V and is suitable for use in environments with temperatures ranging from 0°C to 70°C. It is available in a surface mount package, ensuring easy integration into compact and space-constrained designs.

SN75ALS191D Features

• Number of Drivers/Receivers: The SN75ALS191D includes two drivers and zero receivers, making it a dedicated driver IC.
• Operating Temperature: It operates reliably within a temperature range of 0°C to 70°C, ensuring stability in various environmental conditions.
• Supply Voltage: The driver operates efficiently within a voltage range of 4.75V to 5.25V, providing flexibility in power supply requirements.
• Mounting Type: The surface mount package allows for easy integration into modern PCB designs, reducing the overall footprint and enhancing mechanical stability.
• Compliance and Standards: The SN75ALS191D is REACH unaffected and ROHS3 compliant, ensuring it meets the latest environmental and safety regulations.
• Moisture Sensitivity Level (MSL): With an MSL rating of 1 (unlimited), the SN75ALS191D is highly resistant to moisture, making it suitable for use in humid environments.
• Package Type: Available in a tube package, ensuring safe handling and storage during manufacturing processes.
• Protocol Support: The driver supports both RS422 and RS485 protocols, making it versatile for various communication needs.

SN75ALS191D Applications

The SN75ALS191D is ideal for applications requiring robust and reliable data transmission over long distances with minimal signal degradation. Its support for RS422 and RS485 protocols makes it suitable for industrial automation, where multiple devices need to communicate over extended distances. Some specific use cases include:

• Industrial Automation: Connecting sensors, actuators, and control systems in manufacturing plants.
• Data Communication: Enabling reliable data transfer in networked environments, such as building automation systems.
• Telecommunications: Facilitating communication between various components in telecommunication infrastructure.
• Transportation: Used in vehicle control systems and intelligent transportation systems for reliable data transmission.

Conclusion of SN75ALS191D

The SN75ALS191D from Texas Instruments stands out as a reliable and versatile driver IC, offering robust performance and compliance with industry standards. Its support for RS422 and RS485 protocols, combined with its surface mount package and wide operating temperature range, make it an excellent choice for a variety of applications. The SN75ALS191D's compliance with REACH and ROHS3 standards ensures it meets the latest environmental and safety requirements, making it a responsible choice for modern electronics design. Overall, the SN75ALS191D is a high-quality driver IC that delivers exceptional performance and reliability, making it a valuable component for any system requiring efficient and reliable data transmission.

SN75ALS191D Documents

Download datasheets and manufacturer documentation for SN75ALS191D

Datasheets :

SN75ALS191      

PCN Obsolescence/ EOL :

Mult Dev EOL 28/Jun/2023      

HTML Datasheet :

SN75ALS191      

PCN Design/Specification :

Mult Devices Font 21/Apr/2018       Design 25/Feb/2022