LM4040BIM3-4.1-T

Overview

The LM4040BIM3-4.1-T is a micropower shunt voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed output voltage of 4.096 V with an initial accuracy of 0.2%. The device operates within a temperature range of -40°C to +85°C and features a temperature coefficient of 30 PPM/°C. It supports a maximum shunt current of 15 mA and utilizes a SOT-23-3 surface-mount package.

Feature Summary

• Provides stable precision voltage reference in a compact surface-mount package
• Designed for low power consumption applications with micropower operation
• Maintains high accuracy across specified industrial temperature ranges

Applications

• Portable instrumentation requiring precise voltage references
• Battery-powered measurement systems
• Data acquisition circuits

Procurement Notes

Verify the manufacturer designation, as this component is listed under both Analog Devices/Maxim Integrated and Texas Instruments due to corporate history. Confirm the specific suffix matches the required tolerance and temperature grade. Ensure the ordering part number aligns with the exact datasheet specifications for the intended application environment.

Selection Notes

Select this component when a 4.096 V reference with 0.2% initial accuracy is required. Consider the 30 PPM/°C temperature coefficient for thermal stability needs. Verify that the SOT-23-3 package fits the board layout constraints. Ensure the operating current remains within the 15 mA maximum limit for proper regulation.

Part Context

This part belongs to the LM4040 series of micropower shunt voltage references. The series offers various fixed output voltages and accuracy grades. The 'B' grade typically denotes tighter initial accuracy compared to standard grades. The component serves as a critical reference element in analog signal chains.

Replacement Considerations

LM4040BIM3-4.1+T is a verified equivalent part number from the same manufacturer line.