MAX6043CAUT25+T

Overview

The MAX6043CAUT25+T is a precision high-voltage series voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed +2.5V output voltage with an initial accuracy of 0.1% maximum and a temperature coefficient of 20ppm/°C maximum. The device operates from a wide supply voltage range of 4.5V to 40V and supports a maximum shunt current of 10mA. It is housed in a compact SOT-23-6 package, suitable for surface mount installation, and functions reliably within an operating temperature range of -40°C to +125°C.

Feature Summary

• Proprietary curvature-correction circuit ensures low temperature drift and excellent stability across the operating range.
• Capable of delivering precise reference voltages from input supplies up to 40V in a miniature footprint.
• Short-circuit protection safeguards the device during fault conditions.

Applications

• High-resolution analog-to-digital converter (ADC) systems
• Digital-to-analog converter (DAC) reference sources
• Precision measurement instrumentation

Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm RoHS compliance status and specific lot traceability requirements prior to procurement. Ensure storage conditions align with manufacturer specifications to maintain performance integrity. Check for end-of-life notices or obsolescence warnings before finalizing purchase orders.

Selection Notes

Select this component when a stable 2.5V reference is required under high-voltage input conditions. The SOT-23-6 package offers space efficiency for dense PCB layouts. Consider the 20ppm/°C temperature coefficient and 0.1% initial accuracy against system tolerance requirements. Evaluate power consumption and noise characteristics relative to downstream signal processing needs.

Part Context

This part belongs to the MAX6043 family of precision voltage references designed for applications demanding high accuracy and wide input voltage ranges. The series utilizes laser-trimmed thin-film resistors to achieve tight initial accuracy and low temperature coefficients. It serves as a critical reference element in data acquisition systems requiring reliable voltage standards.

Replacement Considerations

Cross-reference with other MAX6043 variants offering different output voltages or accuracy grades if system parameters change. Verify pinout compatibility and thermal characteristics when substituting with similar series references from the same manufacturer.