Texas Instruments

LM4040D50QDBZR  

Voltage References

LM4040D50QDBZR Description

The LM4040D50QDBZR is a precision shunt voltage reference from Texas Instruments, designed to provide a stable and accurate 5V output voltage with a tolerance of ±1%. This device is part of the LM4040 family, known for its high performance and reliability in various electronic applications. The LM4040D50QDBZR features a fixed output type, ensuring consistent voltage delivery under varying conditions. It supports a maximum output current of 15 mA and operates with a cathode current of 95 µA, making it suitable for low-power applications. The device has a temperature coefficient of 150ppm/°C, ensuring minimal voltage drift over a wide temperature range. Additionally, it offers low noise performance, with a noise level of 80µVrms from 10Hz to 10kHz, which is crucial for applications requiring high precision and stability.

LM4040D50QDBZR Features

• Precision Voltage Reference: The LM4040D50QDBZR provides a highly accurate 5V output voltage with a tight tolerance of ±1%, making it ideal for applications requiring precise voltage levels.
• Low Temperature Coefficient: With a temperature coefficient of 150ppm/°C, the device ensures minimal voltage drift over temperature variations, enhancing its stability in diverse operating environments.
• Low Noise Performance: The device exhibits low noise levels of 80µVrms from 10Hz to 10kHz, which is essential for applications sensitive to voltage fluctuations.
• Low Power Consumption: The LM4040D50QDBZR operates with a cathode current of 95 µA, making it suitable for low-power applications and extending battery life in portable devices.
• Surface Mount Technology: The device is available in a surface mount package (SOT23-3), which facilitates easy integration into compact and high-density PCB designs.
• Compliance and Reliability: The LM4040D50QDBZR is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, making it suitable for unlimited storage and handling conditions.

LM4040D50QDBZR Applications

The LM4040D50QDBZR is ideal for a wide range of applications due to its precision, low noise, and low power consumption. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): The device's high accuracy and low noise make it suitable for providing a stable reference voltage for ADCs, ensuring precise signal conversion.
• Digital-to-Analog Converters (DACs): The LM4040D50QDBZR can serve as a reliable reference voltage source for DACs, enhancing the accuracy of digital signal reconstruction.
• Power Management Systems: The low power consumption and stable output voltage make it ideal for use in power management circuits, where consistent voltage levels are crucial.
• Battery-Powered Devices: The device's low power consumption and compact size make it suitable for portable and battery-powered applications, such as handheld devices and wearables.
• Medical Devices: The high precision and reliability of the LM4040D50QDBZR make it suitable for medical devices that require accurate and stable voltage references for critical operations.

Conclusion of LM4040D50QDBZR

The LM4040D50QDBZR from Texas Instruments is a versatile and high-performance shunt voltage reference that offers precision, low noise, and low power consumption. Its ±1% tolerance and 150ppm/°C temperature coefficient ensure stable and accurate voltage delivery, making it suitable for a wide range of applications, including ADCs, DACs, power management systems, and portable devices. The device's compliance with REACH and ROHS3 standards, along with its surface mount package, further enhances its suitability for modern electronic designs. The LM4040D50QDBZR stands out as a reliable and efficient solution for applications requiring a stable and precise voltage reference.

LM4040D50QDBZR Documents

Download datasheets and manufacturer documentation for LM4040D50QDBZR

PCN Assembly/Origin :

Qual of NFME 17/Feb/2017      

Datasheets :

LM4040A,B,C,D Datasheet      

PCN Design/Specification :

LM404xx 07/Mar/2023