LM4040CIM3-5.0/NOPB

Overview

The LM4040CIM3-5.0/NOPB is a micropower shunt voltage reference from Texas Instruments, housed in a SOT-23 package. It provides a fixed output voltage of 5.0 V with an initial accuracy of ±0.5%. The device operates within a temperature range of -40°C to +85°C and features a maximum shunt current of 15 mA.

Feature Summary

• Micropower operation suitable for battery-powered applications
• High precision with ±0.5% initial accuracy
• Compact surface-mount SOT-23 packaging

Applications

• Portable instrumentation
• Battery-operated equipment
• Data acquisition systems

Procurement Notes

Verify the specific suffix against official documentation to confirm exact electrical characteristics and availability status. Confirm RoHS compliance and lead times through authorized distributors. Ensure the component matches the required voltage tolerance and operating temperature range for the target application before procurement.

Selection Notes

Select this component when a stable 5V reference is needed in space-constrained designs. The SOT-23 form factor allows for compact PCB layouts. Consider the ±0.5% accuracy and 15mA current capability to ensure compatibility with downstream circuit requirements and power budget constraints.

Part Context

This part belongs to the LM4040 series of precision micropower shunt voltage references. The series offers various fixed voltage options in small packages, designed for applications requiring high stability and low power consumption. The CIM3 designation indicates the commercial temperature grade and SOT-23 package type.

Replacement Considerations

Check for direct equivalents such as other LM4040 variants with different voltage outputs or tolerances. Verify pinout compatibility and thermal performance if substituting with components from other manufacturers offering similar shunt reference specifications.