Texas Instruments

LM4050BIM3-4.1

LM4050BIM3-4.1 Description

The LM4050BIM3-4.1 is a precision shunt voltage reference from Texas Instruments, designed for applications requiring high accuracy and low noise. This device offers a fixed output voltage of 4.096V with a tolerance of ±0.2%, ensuring precise voltage regulation. It features a low temperature coefficient of 50ppm/°C, which minimizes voltage drift over varying temperatures, making it suitable for demanding environments.

The LM4050BIM3-4.1 is capable of sourcing up to 15mA of output current, while its cathode current is rated at 73µA. This balance ensures efficient power delivery without excessive power consumption. The device's noise level, measured from 10Hz to 10kHz, is a mere 93µVrms, contributing to its high performance in sensitive applications.

Packaged in a compact SOT23-3 surface-mount package, the LM4050BIM3-4.1 is ideal for space-constrained designs. It is available in tape and reel (TR) format, facilitating automated assembly processes. Despite being marked as obsolete, the LM4050BIM3-4.1 remains a reliable choice for engineers seeking a high-precision voltage reference.

LM4050BIM3-4.1 Features

• Fixed Output Voltage: 4.096V with ±0.2% tolerance, ensuring precise voltage regulation.
• Low Temperature Coefficient: 50ppm/°C, minimizing voltage drift over temperature variations.
• Low Noise: 93µVrms from 10Hz to 10kHz, ideal for noise-sensitive applications.
• High Output Current: Capable of sourcing up to 15mA, suitable for driving various loads.
• Efficient Cathode Current: 73µA, ensuring minimal power consumption.
• Compact Packaging: SOT23-3 surface-mount package, ideal for space-constrained designs.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for a wide range of environmental conditions.
• Compliance: REACH Unaffected and ECCN EAR99, ensuring regulatory compliance.

LM4050BIM3-4.1 Applications

The LM4050BIM3-4.1 is well-suited for a variety of applications where precision voltage references are critical. These include:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for accurate conversions.
• Digital-to-Analog Converters (DACs): Ensures precise output levels for analog signals.
• Power Management Circuits: Acts as a stable reference for voltage regulators and controllers.
• Precision Measurement Equipment: Enhances accuracy in instruments requiring stable voltage references.
• Medical Devices: Ensures reliable performance in sensitive medical equipment.
• Industrial Control Systems: Provides stable reference voltages for control and monitoring systems.

Conclusion of LM4050BIM3-4.1

The LM4050BIM3-4.1 from Texas Instruments stands out as a high-precision shunt voltage reference, offering a combination of low noise, low temperature coefficient, and high output current. Its compact SOT23-3 package and surface-mount design make it ideal for modern, space-efficient applications. Despite its obsolete status, the LM4050BIM3-4.1 remains a robust choice for engineers seeking reliable performance in precision voltage reference applications.