REF2041AIDDCT

Overview

The REF2041AIDDCT is a Texas Instruments series voltage reference IC in a SOT-23-5 Thin package. It provides fixed output voltages of 2.048V and 4.096V with an initial accuracy tolerance of ±0.05%. The device operates within an input voltage range of 4.116V to 5.5V, drawing a supply current of 460µA. It delivers up to 20mA output current and features a temperature coefficient of 8ppm/°C. Noise performance is specified at 12ppmp-p from 0.1Hz to 10Hz. It supports an operating temperature range of -40°C to 125°C.

Feature Summary

• High precision voltage regulation with ±0.05% initial accuracy tolerance.
• Low drift performance characterized by an 8ppm/°C temperature coefficient.
• Compact surface-mount design utilizing the SOT-23-5 Thin package.
• Capable of sourcing 20mA output current for load driving.

Applications

• Precision analog-to-digital converter (ADC) reference sources
• Digital-to-analog converter (DAC) voltage references
• Calibration equipment requiring stable voltage standards

Procurement Notes

Verify the specific suffix configuration against the manufacturer datasheet to confirm the exact output voltage option (2.048V or 4.096V). Ensure the ordering part number matches the required tolerance grade and package variant. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process before finalizing procurement.

Selection Notes

Select this component when high accuracy and low drift are critical for system performance. The SOT-23-5 Thin package offers space efficiency for compact designs. Consider the 460µA supply current for power-sensitive applications. Verify that the input voltage range accommodates the system's supply rails while maintaining regulation.

Part Context

This part belongs to the REF2041 family of series voltage references from Texas Instruments. It is designed for applications demanding superior stability and precision compared to standard shunt references. The family includes variants with different accuracy grades and output voltages, all sharing similar low-power characteristics and compact packaging options.

Replacement Considerations

Check the official REF2041 datasheet for direct pin-compatible alternatives within the same family. Verify that any substitute maintains the ±0.05% accuracy and 8ppm/°C drift specifications. Ensure the replacement part supports the required 20mA output current and operates within the same thermal and voltage parameters.