MAX6043BAUT33+T

Overview

The MAX6043BAUT33+T is a precision high-voltage series voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed output voltage of 3.3V with an initial accuracy of 0.1% and a maximum temperature coefficient of 25ppm/°C. The device operates from a 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 surface-mount package and functions within a temperature range of -40°C to +125°C.

Feature Summary

• Provides precise fixed output voltages using proprietary curvature-correction circuitry and laser-trimmed thin-film resistors for low temperature drift.
• Operates stably with capacitive loads ranging from 0 to 100µF without requiring external stabilization capacitors.
• Features short-circuit protection and wide input voltage tolerance suitable for high-voltage applications.

Applications

• High-resolution analog-to-digital (A/D) converters
• Digital-to-analog (D/A) converters
• Precision measurement instrumentation

Procurement Notes

Verify the specific suffix (+T) indicates tape-and-reel packaging when sourcing. Confirm RoHS compliance status through official manufacturer documentation or authorized distributors, as environmental certifications may vary by production batch. Ensure the component matches the exact part number to guarantee the specified 0.1% accuracy and 25ppm/°C temperature coefficient performance.

Selection Notes

Select this component when a stable 3.3V reference is required in space-constrained designs utilizing the SOT-23-6 package. It is appropriate for systems demanding high initial accuracy and low noise in environments with significant temperature fluctuations. Consider the 40V maximum input rating for direct connection to higher voltage rails without additional pre-regulation.

Part Context

This part belongs to the MAX6043 family of precision voltage references designed for high-voltage operation in small packages. The 'B' grade denotes tighter initial accuracy specifications compared to lower grades, while the 'AUT' suffix typically indicates automotive qualification standards. The '+T' designation specifies the reel packaging format for automated assembly processes.

Replacement Considerations

Cross-reference with other MAX6043 variants offering different output voltages (e.g., 2.5V, 5.0V) if voltage levels differ. Verify pinout compatibility with alternative series references from the same manufacturer before substitution.