Texas Instruments

LM4050CIM3-4.1

LM4500CIM3-4.1 Description

The LM4050CIM3-4.1 is a precision shunt voltage reference IC from Texas Instruments, designed to provide a highly stable and accurate reference voltage. This device offers a fixed output voltage of 4.096V with a tolerance of ±0.5%, making it suitable for applications requiring high precision. The LM4050CIM3-4.1 features a low temperature coefficient of 50ppm/°C, ensuring minimal drift over varying temperatures. Additionally, it provides a low noise level of 93µVrms over the frequency range of 10Hz to 10kHz, which is crucial for maintaining signal integrity in sensitive analog circuits.

LM4050CIM3-4.1 Features

• Fixed Output Voltage: 4.096V with a tight tolerance of ±0.5%, ensuring high accuracy.
• Low Temperature Coefficient: 50ppm/°C, which minimizes voltage drift over temperature variations.
• Low Noise: 93µVrms from 10Hz to 10kHz, ideal for low-noise applications.
• High Output Current Capability: 15 mA, allowing it to drive multiple loads.
• Low Quiescent Current: 73 µA at the cathode, contributing to energy efficiency.
• Surface Mount Packaging: SOT23-3 package, suitable for compact and high-density designs.
• Moisture Sensitivity Level: MSL 1 (Unlimited), indicating robustness against moisture.
• Compliance: REACH Unaffected and ECCN EAR99, ensuring compliance with international regulations.
• Mounting Type: Surface Mount, facilitating easy integration into modern PCB designs.

LM4050CIM3-4.1 Applications

The LM4050CIM3-4. is1 well-suited for a variety of applications that demand high precision and stability in voltage references. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage to ensure accurate digitization of analog signals.
• Digital-to-Analog Converters (DACs): Ensures precise output levels by offering a reliable reference voltage.
• Precision Measurement Equipment: Used in devices such as voltmeters and ammeters to maintain high accuracy.
• Power Management Systems: Acts as a reference for voltage regulators and power supplies to maintain stable output voltages.
• Medical Devices: Ideal for applications where high precision and reliability are critical, such as in diagnostic equipment.

Conclusion of LM4050CIM3-4.1

The LM4050CIM3-4.1 from Texas Instruments is a high-performance shunt voltage reference IC that stands out due to its precision, low noise, and low temperature coefficient. Its ability to provide a stable reference voltage with minimal drift makes it an excellent choice for precision analog applications. The device’s surface mount packaging and low quiescent current further enhance its suitability for compact and energy-efficient designs. Although the LM4050CIM3-4.1 is now obsolete, its legacy continues to influence the design of modern voltage reference solutions.