Texas Instruments

LM4040D25QDBZT  

Voltage References

LM4040D25QDBZT Description

The LM4040D25QDBZT is a precision shunt voltage reference IC designed by Texas Instruments, offering a fixed output voltage of 2.5V with a tolerance of ±1%. 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. The LM4040D25QDBZT is known for its high accuracy and stability, with a temperature coefficient of 150ppm/°C and a low noise level of 35µVrms over the 10Hz to 10kHz frequency range. It features a maximum cathode current of 80µA and can support up to 15mA of output current. The device is REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory standards are met. With a moisture sensitivity level (MSL) of 1 (unlimited), the LM4040D25QDBZT is robust and suitable for a variety of industrial and consumer applications. Packaged in tape and reel (TR), this reference IC is ready for automated assembly processes.

LM4040D25QDBZT Features

• Precision Voltage Reference: The LM4040D25QDBZT provides a highly accurate and stable 2.5V reference voltage with a tight tolerance of ±1%, ensuring precise operation in sensitive applications.
• Low Temperature Coefficient: With a temperature coefficient of 150ppm/°C, the device maintains its performance across a wide temperature range, making it ideal for applications where temperature variations are common.
• Low Noise Performance: The low noise level of 35µVrms from 10Hz to 10kHz ensures clean voltage references, crucial for high-precision analog circuits.
• High Output Current Capability: The ability to support up to 15mA of output current makes the LM4040D25QDBZT suitable for applications requiring higher current loads.
• Compact SOT23-3 Package: The small form factor of the SOT23-3 package allows for integration into space-constrained designs without compromising performance.
• Environmental Compliance: The LM4040D25QDBZT is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and regulatory standards.
• Robustness: With a moisture sensitivity level (MSL) of 1 (unlimited), the device is highly resistant to moisture, enhancing its reliability in various environmental conditions.
• Automated Assembly Ready: Packaged in tape and reel (TR), the LM4040D25QDBZT is optimized for automated assembly processes, reducing production costs and improving manufacturing efficiency.

LM4040D25QDBZT Applications

The LM4040D25QDBZT is ideal for a wide range of applications where precision voltage references are required. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for ADCs, ensuring accurate digital conversions.
• Digital-to-Analog Converters (DACs): Ensures precise output levels in DAC applications.
• Power Management Circuits: Used in voltage regulators and power supplies to maintain accurate voltage levels.
• Battery Management Systems: Ensures accurate voltage monitoring and control in battery charging and discharging circuits.
• Medical Devices: Critical for precision instruments where accuracy and reliability are paramount.
• Industrial Automation: Used in sensors and control systems where high precision and stability are required.

Conclusion of LM4040D25QDBZT

The LM4040D25QDBZT from Texas Instruments is a high-performance shunt voltage reference IC that stands out for its precision, stability, and low noise characteristics. Its compact SOT23-3 package and robustness make it suitable for a wide range of applications, from consumer electronics to industrial and medical devices. The device's compliance with environmental regulations and its readiness for automated assembly processes further enhance its appeal. For engineers and designers seeking a reliable and precise voltage reference, the LM4040D25QDBZT is an excellent choice.

LM4040D25QDBZT Documents

Download datasheets and manufacturer documentation for LM4040D25QDBZT

PCN Assembly/Origin :

Qual of NFME 17/Feb/2017      

Datasheets :

LM4040A,B,C,D Datasheet      

PCN Design/Specification :

LM404xx 07/Mar/2023