Texas Instruments

LM4041EIM7X-1.2

LM4041EIM7X-1.2 Description

The LM4041EIM7X-1.2 is a fixed output voltage reference IC designed by Texas Instruments, offering precise and stable voltage regulation. This shunt voltage reference is housed in a compact SC70-5 package, making it suitable for surface mount applications. It provides a fixed output voltage of 1.225V with a tolerance of ±2%, ensuring high accuracy in voltage reference applications. The device can handle a maximum output current of 12 mA, while maintaining a low cathode current of 65 µA. The LM4041EIM7X-1.2 also features a low temperature coefficient of 150ppm/°C, which minimizes voltage drift over varying temperatures. Additionally, it exhibits low noise levels of 20µVrms in the 10Hz to 10kHz frequency range, contributing to its high performance in sensitive applications. Despite its obsolescence status, the LM4041EIM7X-1.2 remains a reliable choice for precision voltage reference needs, unaffected by REACH regulations and classified under ECCN EAR99 and HTSUS 8542.39.0001.

LM4041EIM7X-1.2 Features

• Fixed Output Voltage: Provides a stable 1.225V output voltage with a tolerance of ±2%, ensuring precise voltage reference.
• Low Temperature Coefficient: Features a low temperature coefficient of 150ppm/°C, minimizing voltage drift over temperature variations.
• Low Noise: Exhibits low noise levels of 20µVrms from 10Hz to 10kHz, enhancing performance in noise-sensitive applications.
• High Output Current Capability: Capable of delivering up to 12 mA of output current, making it suitable for a wide range of applications.
• Low Cathode Current: Operates with a low cathode current of 65 µA, reducing power consumption.
• Surface Mount Compatibility: Housed in a compact SC70-5 package, ideal for surface mount technology (SMT) applications.
• Moisture Sensitivity Level: MSL 1 (Unlimited), ensuring reliability in various environmental conditions.
• Regulatory Compliance: REACH unaffected, ensuring compliance with environmental regulations.

LM4041EIM7X-1.2 Applications

The LM4041EIM7X-1.2 is ideal for applications requiring precise and stable voltage references. Its low noise and temperature coefficient make it suitable for:

• Precision Measurement Equipment: Ensuring accurate readings in instruments such as digital multimeters and oscilloscopes.
• Analog-to-Digital Converters (ADCs): Providing a stable reference voltage for accurate conversion.
• Digital-to-Analog Converters (DACs): Ensuring precise output levels in signal processing applications.
• Power Supply Design: Used as a reference in voltage regulators and power management circuits.
• Medical Equipment: Ensuring reliability and precision in devices such as blood glucose meters and diagnostic equipment.
• Industrial Automation: Used in sensors and control systems requiring high accuracy and stability.

Conclusion of LM4041EIM7X-1.2

The LM4041EIM7X-1.2 from Texas Instruments is a robust and precise voltage reference IC, offering a fixed output voltage with high accuracy and stability. Its low noise and temperature coefficient make it an excellent choice for applications where precision and reliability are paramount. Despite being marked as obsolete, the LM4041EIM7X-1.2 remains a viable option for designers seeking a compact, high-performance voltage reference solution. Its compatibility with surface mount technology and regulatory compliance further enhance its appeal in modern electronic designs.