Texas Instruments

SN75121NSR  

Drivers, Receivers, Transceivers

SN75121NSR Description

The SN75121NSR is a high-performance driver IC from Texas Instruments, designed to provide robust and reliable signal transmission in various electronic systems. This IC features two drivers and no receivers, making it ideal for applications requiring efficient signal amplification and transmission. The SN75121NSR operates within a voltage supply range of 4.75V to 5.25V, ensuring compatibility with a wide range of power supplies. It is housed in a Surface Mount package, specifically in a Tape & Reel (TR) format, which facilitates easy integration into modern PCB designs.

The operating temperature range of 0°C to 70°C makes the SN75121NSR suitable for use in a variety of environments, from standard office conditions to more demanding industrial settings. The product is classified under the ECCN code EAR99, indicating it is subject to general export control regulations. Additionally, it is REACH Unaffected, ensuring compliance with European chemical regulations, and ROHS3 Compliant, confirming its adherence to environmental standards.

SN75121NSR Features

• Number of Drivers/Receivers: 2/0, providing efficient signal amplification without the need for receivers.
• Operating Temperature: 0°C to 70°C, ensuring reliable performance across a broad temperature spectrum.
• Voltage - Supply: 4.75V to 5.25V, offering flexibility in power supply options.
• Mounting Type: Surface Mount, facilitating easy integration into compact and high-density PCB designs.
• Package: Tape & Reel (TR), ensuring ease of handling and assembly in automated manufacturing processes.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), indicating the IC is not sensitive to moisture, reducing the risk of damage during handling and storage.
• Compliance: REACH Unaffected and ROHS3 Compliant, ensuring environmental safety and regulatory compliance.

SN75121NSR Applications

The SN75121NSR is particularly well-suited for applications requiring robust signal transmission and amplification. Its two-driver configuration makes it ideal for driving high-current loads, such as relays, solenoids, and other actuators. The IC's operating temperature range and compliance with environmental regulations make it a reliable choice for both commercial and industrial applications.

Specific use cases where the SN75121NSR excels include:

• Industrial Control Systems: Driving high-current loads in automation and control systems.
• Telecommunications: Amplifying signals in communication equipment.
• Automotive Electronics: Providing reliable signal transmission in automotive control modules.
• Consumer Electronics: Enhancing signal integrity in devices such as printers, scanners, and other peripherals.

Conclusion of SN75121NSR

The SN75121NSR from Texas Instruments is a versatile and reliable driver IC, offering a range of features that make it suitable for a variety of applications. Its two-driver configuration, broad operating temperature range, and compliance with environmental regulations make it a standout choice for engineers and designers looking for a robust and efficient signal transmission solution. Despite its obsolete status, the SN75121NSR remains a valuable component for applications where its unique features and performance benefits are required.

SN75121NSR Documents

Download datasheets and manufacturer documentation for SN75121NSR

Datasheets :

SN55121, SN75121      

PCN Packaging :

Carrier Tape Revision C 09/Apr/2015       Carrier Tape Revision A 06/Mar/2015      

PCN Obsolescence/ EOL :

EOL 17/May/2023      

HTML Datasheet :

SN55121, SN75121