LM4040C25IDBZRG4

Overview

The LM4040C25IDBZRG4 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 +125°C and features a temperature coefficient of 150 PPM/°C. Maximum shunt current is 15 mA, while minimum operating current is 75 µA. It is housed in a SOT-23-3 surface-mount package.

Feature Summary

• Provides stable 2.5 V reference voltage with high precision
• Operates across extended industrial temperature ranges
• Designed for low power consumption applications

Applications

• Portable battery-powered instrumentation
• Data acquisition systems
• Temperature measurement circuits

Procurement Notes

Verify the specific suffix G4 indicates RoHS compliance and manufacturing location details as per official datasheets. Confirm package marking codes match the SOT-23-3 footprint requirements for your PCB layout. Ensure thermal management aligns with the specified operating temperature limits during operation.

Selection Notes

Select this component when a precise 2.5 V reference is required in space-constrained designs. The SOT-23-3 package offers a compact solution for surface mount assembly. Consider the 150 PPM/°C temperature coefficient for applications requiring stability over wide thermal variations.

Part Context

This part belongs to the LM4040 series of micropower shunt references from Texas Instruments. The series includes various voltage options and accuracy grades. The IDBZR suffix denotes the reel packaging format, while G4 typically signifies environmental compliance attributes defined by the manufacturer.

Replacement Considerations

LM4040C25IDBZT is a compatible tray-packaged alternative from the same manufacturer offering identical electrical specifications.