Analog Devices Inc./Maxim Integrated

MAX6331SUR+  

Voltage References

MAX6331SUR+ Description

The MAX6331SUR+ is a fixed-output voltage reference IC designed by Analog Devices Inc./Maxim Integrated, offering precise and stable voltage regulation in a compact SOT23-3 package. This shunt voltage reference is characterized by its ability to deliver a constant output voltage of 3V with a tolerance of ±1.3%. It is designed to provide a stable reference voltage for various electronic applications, ensuring accurate and reliable performance. The MAX6331SUR+ is suitable for surface-mount applications, making it ideal for space-constrained designs. Despite being marked as obsolete, it remains a reliable choice for applications requiring a fixed voltage reference.

MAX6331SUR+ Features

• Fixed Output Voltage: The MAX6331SUR+ provides a stable 3V output voltage, ensuring consistent performance across a wide range of applications.
• Low Temperature Coefficient: With a typical temperature coefficient of 40ppm/°C, the MAX6331SUR+ offers excellent stability over varying temperature conditions, minimizing voltage drift.
• High Precision: The ±1.3% tolerance ensures high precision, making it suitable for applications requiring accurate voltage references.
• Low Quiescent Current: The device operates with a low cathode current of 60µA, making it energy-efficient and suitable for low-power applications.
• Surface-Mount Compatibility: The SOT23-3 package is ideal for surface-mount technology (SMT), allowing for integration into compact and dense PCB designs.
• Compliance and Safety: The MAX6331SUR+ is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the device is suitable for storage and handling in various environments without the need for special precautions.

MAX6331SUR+ Applications

The MAX6331SUR+ is ideal for a variety of applications where a stable and precise voltage reference is required. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for ADCs, ensuring accurate conversion of analog signals to digital form.
• Digital-to-Analog Converters (DACs): Ensures precise output voltage levels in DACs, enhancing the accuracy of digital signal processing.
• Power Management Systems: Acts as a reference voltage for power management circuits, ensuring stable operation and accurate voltage regulation.
• Battery Management Systems: Offers a reliable reference for monitoring and managing battery voltage levels.
• Precision Measurement Instruments: Enhances the accuracy of measurements in instruments such as voltmeters and ammeters.

Conclusion of MAX6331SUR+

The MAX6331SUR+ is a robust and precise voltage reference IC that offers significant advantages in terms of stability, precision, and low power consumption. Despite its obsolete status, it remains a reliable choice for applications requiring a fixed 3V reference voltage. Its compact SOT23-3 package, low temperature coefficient, and high precision make it an ideal component for a wide range of electronic designs. Whether used in ADCs, DACs, power management systems, or precision measurement instruments, the MAX63331SUR+ ensures accurate and stable performance, making it a valuable component in the electronics industry.

MAX6331SUR+ Documents

Download datasheets and manufacturer documentation for MAX6331SUR+