LM4040D25IDBZTG4

Overview

The LM4040D25IDBZTG4 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 ±1%. The device operates within a temperature range of -40°C to +125°C and features a temperature coefficient of 150 PPM/°C. It requires a minimum cathode current of 73 µA and supports a maximum cathode current of 15 mA. The component is housed in a surface-mount SOT-23-3 package.

Feature Summary

• Provides stable reference voltage for analog circuits
• Operates across extended industrial temperature ranges
• Suitable for battery-powered applications due to low current consumption

Applications

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

Procurement Notes

Verify the specific suffix 'G4' indicates lead-free compliance and RoHS status as per official documentation. Confirm the package marking and pinout configuration against the manufacturer datasheet before integration. Ensure thermal management aligns with the specified operating temperature limits during design.

Selection Notes

Select this component when a 2.5 V reference with 1% accuracy is required. Consider the 150 PPM/°C temperature coefficient for thermal stability needs. Verify that the circuit design can maintain the minimum operating current of 73 µA while staying below the 15 mA maximum limit.

Part Context

This part belongs to the LM4040 series of precision micropower shunt voltage references from Texas Instruments. The series offers various fixed output voltages and accuracy grades. The D25 variant specifically denotes the 2.5 V output with 1% initial accuracy, packaged in the compact SOT-23-3 form factor for space-constrained designs.

Replacement Considerations

LM4040D25IDBZT