LM4040B41IDBZTG4

Overview

The LM4040B41IDBZTG4 is a micropower shunt voltage reference from Texas Instruments, providing a fixed output of 4.096 V. It features an initial accuracy of ±0.2% and operates within a temperature range of -40°C to +125°C. The device utilizes a SOT-23-3 surface-mount package and supports a maximum cathode current of 15 mA with a minimum operating current of 75 µA.

Feature Summary

• Provides stable precision voltage reference in compact surface-mount packaging
• Operates over extended industrial temperature ranges for reliable performance
• Designed for low power consumption suitable for battery-powered applications

Applications

• Portable instrumentation requiring precise voltage references
• Battery-operated measurement systems
• Data acquisition systems needing stable analog references

Procurement Notes

Verify the specific suffix 'G4' indicates lead-free compliance and RoHS status as per manufacturer documentation. Confirm the package type matches the design requirements. Ensure the operating temperature range aligns with the application environment. Check for any obsolescence notices or lifecycle changes before finalizing procurement decisions.

Selection Notes

Select this component when high accuracy and low power consumption are critical. The ±0.2% tolerance ensures precision in sensitive circuits. The wide temperature range makes it suitable for harsh environments. Consider the SOT-23-3 footprint for space-constrained designs.

Part Context

This part belongs to the LM4040 series of micropower shunt voltage references. It offers various accuracy grades and output voltages. The series is designed for applications requiring small size and low power dissipation. It serves as a key component in power management and signal conditioning circuits.