LM4040AIZ-4.1/NOPB

Overview

The LM4040AIZ-4.1/NOPB is a micropower shunt voltage reference from Texas Instruments, providing a fixed output of 4.1 V with an initial accuracy of ±0.1%. It operates within a temperature range of -40°C to +85°C and features a low temperature coefficient of 30 ppm/°C. The device utilizes a TO-92 through-hole package and supports a maximum cathode current of 15 mA.

Feature Summary

• Provides stable precision voltage referencing for sensitive analog circuits
• Maintains high accuracy across the specified industrial temperature range
• Operates efficiently with minimal power consumption in shunt configurations

Applications

• Precision data acquisition systems requiring stable reference voltages
• Battery-powered instrumentation utilizing low quiescent current
• Portable equipment where space and power efficiency are critical

Procurement Notes

Verify the specific suffix against official documentation to confirm exact tolerance and package variations. Ensure compatibility with existing thermal management designs. Confirm RoHS compliance status for regulatory adherence. Validate pinout alignment during PCB layout integration.

Selection Notes

Select this component when precise voltage regulation is required in through-hole applications. Consider the ±0.1% accuracy for high-precision measurement tasks. Evaluate the 15 mA current limit against load requirements. Assess the TO-92 package suitability for mechanical constraints.

Part Context

Part of the LM4040 series designed for general-purpose voltage referencing. Offers a balance between performance and power efficiency. Suitable for replacing older discrete reference solutions in modern electronic designs.

Replacement Considerations

LM4040AIM3X-4.1/NOPB provides equivalent electrical characteristics in a surface-mount SOT-23-3 package.