Texas Instruments

LM4040C25QDBZRG4  

Voltage References

LM4040C25QDBZRG4 Description

The LM4040C25QDBZRG4 is a high-precision shunt voltage reference IC from Texas Instruments, designed to provide a stable and accurate 2.5V output voltage. 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 LM4040C25QDBZRG4 offers robust performance with a ±0.5% tolerance and a low temperature coefficient of 100ppm/°C. It is capable of delivering up to 15 mA of output current while maintaining a low noise level of 35µVrms across the 10Hz to 10kHz frequency range. The IC is REACH unaffected and ROHS3 compliant, ensuring it meets stringent environmental standards. Additionally, it has a moisture sensitivity level (MSL) of 1, making it suitable for a wide range of manufacturing processes.

LM4040C25QDBZRG4 Features

• Fixed Output Voltage: The LM4040C25QDBZRG4 provides a stable 2.5V output voltage, making it ideal for applications requiring precise voltage references.
• High Precision: With a tolerance of ±0.5%, this IC ensures high accuracy in voltage regulation, which is crucial for sensitive electronic circuits.
• Low Temperature Coefficient: The 100ppm/°C temperature coefficient ensures minimal drift in output voltage over a wide temperature range, enhancing reliability in varying environmental conditions.
• Low Noise Performance: The low noise level of 35µVrms from 10Hz to 10kHz makes it suitable for applications where signal integrity is critical.
• High Output Current Capability: Capable of delivering up to 15 mA of output current, this IC can support a variety of load requirements.
• Surface Mount Compatibility: The SOT23-3 package is designed for surface-mount technology, facilitating efficient and compact PCB designs.
• Compliance and Safety: The LM4040C25QDBZRG4 is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 1, the IC is suitable for various manufacturing processes without the need for special handling.

LM4040C25QDBZRG4 Applications

The LM4040C25QDBZRG4 is well-suited for a variety of applications that require a precise and stable voltage reference. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage to ensure accurate conversion of analog signals to digital.
• Digital-to-Analog Converters (DACs): Ensures precise voltage levels for accurate digital-to-analog signal conversion.
• Power Supply Circuits: Acts as a reference for voltage regulators and power management circuits, ensuring stable output.
• Battery Management Systems: Offers a reliable reference voltage for monitoring and managing battery levels.
• Precision Measurement Equipment: Ensures accurate and consistent measurements in laboratory and industrial equipment.

Conclusion of LM4040C25QDBZRG4

The LM4040C25QDBZRG4 from Texas Instruments is a high-precision shunt voltage reference IC that offers exceptional performance in a compact package. Its ±0.5% tolerance, low temperature coefficient, and low noise level make it an ideal choice for applications requiring high accuracy and stability. The ability to deliver up to 15 mA of output current and its surface-mount compatibility further enhance its versatility. While the product is marked as obsolete, its technical specifications and performance benefits make it a reliable option for existing designs. For new projects, designers may consider alternative models with similar or enhanced features.

LM4040C25QDBZRG4 Documents

Download datasheets and manufacturer documentation for LM4040C25QDBZRG4

Datasheets :

LM4040A,B,C,D Datasheet      

PCN Obsolescence/ EOL :

LM4040xxx obs 07/Mar/2023