REF5040AID

Overview

The REF5040AID is a fixed series voltage reference IC from Texas Instruments, providing a nominal output of 4.096 V. It features an initial accuracy of ±0.05% and a temperature coefficient of 3 ppm/°C. The device operates within an input voltage range of 4.296 V to 18 V and supports a maximum load current of 10 mA. It consumes 800 µA of supply current and functions across a temperature range of -40°C to +125°C. The component is housed in an 8-pin SOIC package.

Feature Summary

• Delivers high-precision fixed voltage output with tight initial accuracy tolerance
• Exhibits very low drift characteristics suitable for sensitive analog circuits
• Operates efficiently with low quiescent current consumption

Applications

• High-resolution data acquisition systems requiring stable reference voltages
• Precision instrumentation and measurement equipment
• Industrial process control applications demanding long-term stability

Procurement Notes

Verify the specific suffix against official documentation to confirm package type and tape/reel specifications. Ensure compatibility with existing PCB footprints and thermal management requirements. Confirm RoHS compliance status and moisture sensitivity level prior to integration into production workflows.

Selection Notes

Select this component when precise initial accuracy and low temperature drift are critical for system performance. Consider the 8-pin SOIC package constraints and input voltage headroom requirements relative to the power supply architecture.

Part Context

This part belongs to the REF50xx family of precision voltage references designed for demanding industrial and commercial applications. The series emphasizes low noise and high stability, making it suitable for replacing older generation references in upgraded designs.

Replacement Considerations

REF5040AIDG4 is a verified equivalent variant within the same product line offering identical electrical specifications.