LM385BXM-2.5/NOPB

Overview

The LM385BXM-2.5/NOPB is a shunt precision voltage reference integrated circuit manufactured by Texas Instruments. It provides a fixed output voltage of 2.5 V with an initial accuracy of ±1.5%. The device operates within a temperature range of -40°C to +85°C and features a temperature coefficient of 150 ppm/°C. It supports a maximum shunt current of 20 mA and is housed in an SOIC-8 surface-mount package.

Feature Summary

• Provides stable 2.5 V reference voltage for precision applications
• Offers high initial accuracy of ±1.5% for reliable performance
• Operates across extended industrial temperature range

Applications

• Precision analog-to-digital converter (ADC) references
• Data acquisition systems requiring stable voltage sources
• Portable instrumentation circuits

Procurement Notes

Verify the specific suffix 'NOPB' indicates lead-free and RoHS compliance as per manufacturer documentation. Confirm the 'B' grade designation corresponds to the ±1.5% initial accuracy specification rather than standard grades. Ensure the SOIC-8 package matches the target PCB footprint and thermal requirements before finalizing procurement orders.

Selection Notes

Select this component when a fixed 2.5 V reference with ±1.5% accuracy is required for industrial environments. Consider the 150 ppm/°C temperature coefficient for thermal stability needs. Compare against LM385 variants if different accuracy grades or temperature ranges are sufficient for the application design constraints.

Part Context

This part belongs to the LM385 family of micropower shunt voltage references from Texas Instruments. It shares architectural similarities with other LM385 models but distinguishes itself through the 'B' grade accuracy and extended temperature rating. The 'M' suffix denotes the SOIC-8 surface-mount package, while 'NOPB' confirms environmental compliance.

Replacement Considerations

LM385MX-2.5/NOPB offers similar functionality but may differ in accuracy grade and temperature range specifications.