LM4040CIM3X-2.5/NOPB

Overview

The LM4040CIM3X-2.5/NOPB is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 2.5 V with an initial accuracy of ±0.5%. The device operates within a temperature range of -40°C to +85°C and features a temperature coefficient of 150 ppm/°C. Designed for surface-mount applications, it utilizes a SOT-23 package with three pins. The component supports a maximum cathode current of 15 mA and requires a minimum operating current of 65 µA.

Feature Summary

• Provides stable fixed voltage reference output
• Operates with micropower consumption characteristics
• Designed for surface-mount integration

Applications

• Portable instrumentation circuits
• Battery-powered measurement systems
• Data acquisition input stages

Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact tolerance grades and compliance status. Ensure the ordering information matches the required package type and temperature rating for the intended application environment before finalizing procurement.

Selection Notes

Select this component when a fixed 2.5 V reference is required in a compact surface-mount form factor. Consider the ±0.5% initial accuracy and 150 ppm/°C temperature coefficient against system requirements. Evaluate the micropower profile for battery-operated designs where low quiescent current is critical.

Part Context

This part belongs to the LM4040-N series of precision shunt voltage references from Texas Instruments. The series offers various fixed voltage options and accuracy grades. The CIM3X variant specifically denotes the commercial temperature grade and SOT-23 surface-mount packaging configuration.

Replacement Considerations

LM4040CIM3-2.5/NOPB

FAQ

What is the package type for the LM4040CIM3X-2.5/NOPB?

It uses a SOT-23 surface-mount package.

What is the initial accuracy of this voltage reference?

The initial accuracy is specified as ±0.5%.