REF02AU/2K5G4

Overview

The REF02AU/2K5G4 is a precision series voltage reference IC manufactured by Texas Instruments. It provides a fixed output voltage of 5V with an initial accuracy of ±0.2%. The device operates within an input voltage range of 8V to 40V and draws a maximum supply current of 1.4mA. It features a temperature coefficient of 15ppm/°C and supports a maximum shunt current of 21mA. The component is housed in an 8-SOIC surface-mount package and functions across a temperature range of -40°C to +85°C.

Feature Summary

• Delivers high-precision fixed voltage output with tight initial accuracy tolerance
• Maintains stable performance over wide operating temperature ranges
• Supports high load current capability for demanding applications

Applications

• Precision analog signal conditioning circuits
• High-resolution data acquisition systems
• Calibration references for measurement instruments

Procurement Notes

Verify the specific suffix G4 against official manufacturer documentation to confirm compliance details and pinout compatibility. Ensure that the selected packaging format matches the intended automated assembly process requirements. Cross-reference the part number with the latest datasheet revisions to validate all electrical specifications before final integration into the design.

Selection Notes

Select this component when a stable 5V reference is required with low drift characteristics. Consider the 8-SOIC package constraints for board space limitations. Evaluate the input voltage headroom requirements relative to the 8V minimum threshold. Assess thermal management needs based on the specified operating temperature range and power dissipation levels.

Part Context

This part belongs to the REF02 family of precision voltage references from Texas Instruments. It serves as a surface-mount alternative to through-hole variants, offering similar electrical performance in a compact form factor. The series is designed for applications requiring reliable voltage regulation without external trimming components.

Replacement Considerations

Public confirmed substitute part numbers include REF02BU/2K5 and REF02AUE4.