Texas Instruments

LM4040C20IDBZR  

Voltage References

LM4040C20IDBZR Description

The LM4040C20IDBZR is a high-precision, low-noise shunt voltage reference from Texas Instruments, designed to provide a stable and accurate reference voltage for a variety of electronic applications. This device is part of the LM4040 series and features a fixed output voltage of 2.048V with a tolerance of ±0.5%. It is housed in a compact SOT23-3 package, making it suitable for surface mount applications where space is a critical consideration. The LM4040C20IDBZR is known for its excellent temperature coefficient of 100ppm/°C, ensuring stable performance across a wide temperature range. Additionally, it offers low noise performance, with a noise level of 35µVrms from 10Hz to 10kHz, which is crucial for applications requiring high precision and minimal signal interference.

LM4040C20IDBZR Features

• Fixed Output Voltage: The LM4040C20IDBZR provides a stable output voltage of 2.048V, ideal for applications requiring a precise reference voltage.
• Low Noise: With a noise level of 35µVrms over the frequency range of 10Hz to 10kHz, this device ensures minimal signal interference, making it suitable for high-precision applications.
• High Precision: The ±0.5% tolerance ensures that the output voltage remains within a tight range, providing reliable and consistent performance.
• Low Temperature Coefficient: The 100ppm/°C temperature coefficient ensures that the reference voltage remains stable across varying temperature conditions, enhancing the device's reliability in diverse environments.
• Low Cathode Current: The device operates with a low cathode current of 80µA, which helps in reducing power consumption and improving efficiency.
• Surface Mount Compatibility: The SOT23-3 package is designed for surface mount technology, making it suitable for applications where compact size and ease of integration are essential.
• Compliance: The LM4040C20IDBZR is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental and safety standards.
• Moisture Sensitivity Level: The MSL rating of 1 (Unlimited) indicates that the device is not sensitive to moisture, reducing the risk of damage during manufacturing processes.

LM4040C20IDBZR Applications

The LM4040C20IDBZR is ideal for applications that require a high-precision, low-noise voltage reference. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): The low noise and high precision of the LM4040C20IDBZR make it an excellent choice for providing a stable reference voltage to ADCs, ensuring accurate and reliable digital conversions.
• Digital-to-Analog Converters (DACs): The device's stable output voltage helps in maintaining the accuracy of DACs, which is crucial for applications such as audio processing and signal generation.
• Power Management Systems: The low temperature coefficient and high precision make the LM4040C20IDBZR suitable for use in power management systems where accurate voltage regulation is necessary.
• Precision Measurement Equipment: The device's low noise and high precision are beneficial for precision measurement equipment, such as laboratory instruments and industrial sensors, where accuracy is paramount.
• Battery Management Systems: The LM4040C20IDBZR can be used to provide a stable reference voltage for battery management systems, ensuring accurate monitoring and control of battery parameters.

Conclusion of LM4040C20IDBZR

The LM4040C20IDBZR from Texas Instruments is a high-performance shunt voltage reference that offers a combination of low noise, high precision, and stable temperature performance. Its compact SOT23-3 package and surface mount compatibility make it ideal for a wide range of applications where space and precision are critical. The device's compliance with environmental and safety standards further enhances its suitability for modern electronic designs. Whether used in ADCs, DACs, power management systems, or precision measurement equipment, the LM4040C20IDBZR provides a reliable and accurate reference voltage, ensuring optimal performance and reliability.

LM4040C20IDBZR Documents

Download datasheets and manufacturer documentation for LM4040C20IDBZR

PCN Assembly/Origin :

Qual of NFME 17/Feb/2017      

Datasheets :

LM4040A,B,C,D Datasheet      

PCN Design/Specification :

LM404xx 07/Mar/2023