STMicroelectronics

LM4040BELT-4.1  

Voltage References

LM4040BELT-4.1 Description

The LM4040BELT-4.1 is a precision micro-power shunt voltage reference from STMicroelectronics, designed to provide a highly accurate and stable reference voltage in a wide range of applications. This device features a fixed output voltage of 4.096V with a tolerance of ±0.2%, ensuring precise voltage regulation. The LM4040BELT-4.1 operates with a maximum output current of 15 mA and a cathode current of 25 µA, making it suitable for low-power applications. Its temperature coefficient of 70ppm/°C ensures minimal drift over varying temperatures, while the low noise level of 95µVrms from 10Hz to 10kHz provides clean voltage output. The device is packaged in a surface-mount format on tape and reel (TR), ensuring easy integration into modern electronic designs. The LM4040BELT-4.1 is REACH unaffected and RoHS3 compliant, meeting stringent environmental and regulatory standards. With a moisture sensitivity level (MSL) of 1 (unlimited), it is suitable for various manufacturing processes without the need for special handling.

LM4040BELT-4.1 Features

• Fixed Output Voltage: The LM4040BELT-4.1 provides a stable output voltage of 4.096V, ensuring consistent performance in precision applications.
• Low Temperature Coefficient: With a temperature coefficient of 70ppm/°C, the device maintains accuracy across a wide temperature range, making it ideal for applications where temperature variations are common.
• Low Noise: The low noise level of 95µVrms from 10Hz to 10kHz ensures a clean voltage reference, critical for sensitive analog circuits.
• Micro-Power Operation: The device operates with a maximum output current of 15 mA and a cathode current of 25 µA, making it suitable for low-power applications where energy efficiency is crucial.
• Surface-Mount Packaging: The surface-mount package on tape and reel (TR) facilitates easy integration into compact and high-density PCB designs.
• Environmental Compliance: The LM4040BELT-4.1 is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental and regulatory standards.
• Moisture Sensitivity Level: With an MSL of 1 (unlimited), the device is suitable for various manufacturing processes without requiring special handling or storage conditions.

LM4040BELT-4.1 Applications

The LM4040BELT-4.1 is well-suited for a variety of applications that require precise voltage references, including:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for accurate analog-to-digital conversion.
• Digital-to-Analog Converters (DACs): Ensures precise voltage levels for digital-to-analog conversion.
• Power Management Circuits: Offers a reliable reference voltage for voltage regulators and power management systems.
• Precision Measurement Equipment: Used in instruments requiring high accuracy and stability, such as voltmeters and calibrators.
• Medical Devices: Suitable for medical equipment where precise voltage references are critical for accurate measurements and diagnostics.
• Industrial Control Systems: Provides a stable reference voltage for sensors and control systems in industrial environments.

Conclusion of LM4040BELT-4.1

The LM4040BELT-4.1 from STMicroelectronics is a high-performance precision micro-power shunt voltage reference that offers exceptional accuracy, stability, and low noise. Its fixed output voltage of 4.096V and ±0.2% tolerance make it ideal for applications requiring precise voltage regulation. The low temperature coefficient and micro-power operation ensure reliable performance in a wide range of conditions, while its surface-mount packaging and environmental compliance make it suitable for modern electronic designs. The LM4040BELT-4.1 is an excellent choice for applications in ADCs, DACs, power management circuits, precision measurement equipment, medical devices, and industrial control systems, providing a reliable and stable voltage reference.

LM4040BELT-4.1 Documents

Download datasheets and manufacturer documentation for LM4040BELT-4.1

Datasheets :

LM4040