REF102BU

Overview

The REF102BU is a precision series voltage reference integrated circuit manufactured by Texas Instruments. It provides a fixed output voltage of 10 V with an initial accuracy of ±0.1%. The device operates within an input voltage range of 11.4 V to 36 V and draws a maximum supply current of 1.4 mA. It features a temperature coefficient of 10 ppm/°C and low noise characteristics, specified as 5 µVp-p in the 0.1 Hz to 10 Hz bandwidth. The component is housed in an 8-SOIC package and supports operation temperatures from -25°C to +85°C.

Feature Summary

• Delivers high-precision fixed 10 V output with ±0.1% initial accuracy
• Features low temperature drift of 10 ppm/°C for stable performance
• Provides low noise output suitable for sensitive analog circuits

Applications

• High-resolution data acquisition systems
• Precision analog-to-digital converter (ADC) references
• Medical instrumentation requiring stable voltage sources
• Industrial process control measurement loops

Procurement Notes

Verify the specific suffix 'BU' against the official Texas Instruments datasheet to confirm package type and tape/reel specifications. Ensure the ordering part number matches the required moisture sensitivity level and shipping configuration. Cross-reference the manufacturer date code to ensure compliance with current RoHS directives and availability status before finalizing procurement orders.

Selection Notes

Select this component when a stable 10 V reference is required with tight tolerance and low drift. Compare the 10 ppm/°C temperature coefficient against application thermal requirements. Verify that the 1.4 mA supply current fits within the system power budget. Confirm the 8-SOIC footprint compatibility with the PCB layout constraints.

Part Context

The REF102BU belongs to the REF102 family of precision voltage references produced by Texas Instruments. This series is designed for applications demanding high accuracy and stability. The device utilizes a bandgap reference architecture to maintain performance across varying temperatures and load conditions, serving as a critical benchmarking component in precision analog signal chains.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout and electrical parameter compatibility with any alternative components before implementation.