MAX6021AEUR

Overview

The MAX6021AEUR is a precision, low-power, low-dropout voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed output voltage of 2.048V with an initial accuracy of 0.2% and a temperature coefficient of less than 15ppm/°C. The device operates within an input voltage range of 2.7V to 36V and supports a maximum shunt current of 5mA. It functions reliably across an extended temperature range from -40°C to +85°C and is housed in a compact SOT-23-3 surface-mount package.

Feature Summary

• Features proprietary curvature-correction circuitry for enhanced stability
• Utilizes laser-trimmed thin-film resistors for high precision
• Designed for low-power operation with micropower consumption

Applications

• Portable instrumentation systems requiring stable references
• Battery-powered measurement devices
• Data acquisition systems needing precise voltage standards

Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm exact electrical tolerances and packaging options. Ensure compatibility with existing board layouts regarding the SOT-23-3 footprint. Confirm RoHS compliance status for the specific revision being procured. Cross-reference the manufacturer part number with authorized distributor listings to avoid counterfeit components. Validate that the selected variant meets the required thermal and electrical specifications for the target application environment.

Selection Notes

Select this component when a stable 2.048V reference is required in space-constrained designs. The SOT-23-3 package offers a small form factor suitable for portable electronics. Consider the low dropout characteristic for applications operating near minimum supply voltages. Evaluate the 0.2% initial accuracy against system resolution requirements. Ensure the operating temperature range aligns with the environmental conditions of the final product deployment.

Part Context

This device belongs to the MAX6012/MAX6021/MAX6025 series of precision voltage references. These parts share common architectural features such as curvature correction and laser trimming. The series is designed to provide reliable performance in various power management applications. Analog Devices acquired Maxim Integrated, integrating these products into their broader portfolio. The MAX6021AEUR specifically targets applications needing a 2.048V output in a miniature package.

Replacement Considerations

Check for direct substitutes within the MAX6012/MAX6021/MAX6025 family that offer different output voltages or accuracies. Verify pinout compatibility before substituting with other SOT-23-3 voltage references. Consult official Analog Devices documentation for approved alternative part numbers.