Texas Instruments

LM4040CIM3X-3.0  

Voltage References

LM4040CIM3X-3.0 Description

The LM4040CIM3X-3.0 is a precision shunt voltage reference IC designed by Texas Instruments, offering a fixed output voltage of 3.0V with a tolerance of ±0.5%. This device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a compact SOT23-3 package, making it suitable for surface-mount applications. Despite its small form factor, the LM4040CIM3X-3.0 delivers robust performance with a temperature coefficient of 100ppm/°C and low noise levels of 35µVrms across the 10Hz to 10kHz frequency range. The device is capable of handling a maximum cathode current of 65µA and can source up to 15mA, making it versatile for various power management applications. The LM4040CIM3X-3.0 is REACH unaffected and has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited exposure to ambient conditions. Although the product is now obsolete, its legacy in precision voltage reference design remains significant.

LM4040CIM3X-3.0 Features

• Fixed Output Voltage: The LM4040CIM3X-3.0 provides a stable 3.0V output voltage, ensuring consistent performance in voltage reference applications.
• High Precision: With a tolerance of ±0.5%, the device offers high accuracy, making it ideal for applications requiring precise voltage levels.
• Low Temperature Coefficient: The 100ppm/°C temperature coefficient ensures minimal drift over a wide temperature range, enhancing reliability in varying environmental conditions.
• Low Noise Performance: The 35µVrms noise level across the 10Hz to 10kHz range ensures clean voltage references, crucial for sensitive analog circuits.
• Compact Surface-Mount Package: The SOT23-3 package allows for easy integration into space-constrained designs, facilitating high-density PCB layouts.
• High Cathode Current Capability: The device can handle up to 65µA cathode current, providing flexibility in circuit design.
• High Output Current: The ability to source up to 15mA makes it suitable for applications requiring higher current outputs.
• REACH Compliance: Being REACH unaffected, the LM4040CIM3X-3.0 meets environmental and safety standards, ensuring compliance with regulatory requirements.
• Moisture Sensitivity Level 1: The unlimited exposure to ambient conditions makes it robust against environmental factors, enhancing its reliability in various applications.

LM4040CIM3X-3.0 Applications

The LM4040CIM3X-3.0 is well-suited for a variety of applications that demand precise voltage references. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for accurate analog signal conversion.
• Digital-to-Analog Converters (DACs): Ensures precise voltage levels for reliable digital signal reconstruction.
• Power Management Circuits: Offers a stable reference for voltage regulation and monitoring in power supply designs.
• Precision Measurement Equipment: Enhances the accuracy of measurement devices by providing a stable reference voltage.
• Battery Management Systems: Ensures accurate voltage monitoring and control for battery charging and discharging circuits.
• Medical Devices: Provides reliable voltage references for critical medical equipment, ensuring precise operation and safety.

Conclusion of LM4040CIM3X-3.0

The LM4040CIM3X-3.0 is a versatile and precise shunt voltage reference IC that has proven its reliability and performance in various power management applications. Its high precision, low noise, and compact form factor make it an excellent choice for applications requiring stable and accurate voltage references. Although now obsolete, the LM4040CIM3X-3.0 remains a benchmark for precision voltage reference design, offering significant advantages over similar models in terms of accuracy, temperature stability, and noise performance. For engineers and designers looking for a reliable and precise voltage reference solution, the LM4040CIM3X-3.0 is a notable option to consider, despite its current status.

LM4040CIM3X-3.0 Documents

Download datasheets and manufacturer documentation for LM4040CIM3X-3.0