LM4041DIM3-1.2-T

Voltage Reference Overview

The LM4041DIM3-1.2-T is a precision two-terminal shunt voltage reference manufactured by Analog Devices Inc./Maxim Integrated, featuring a fixed reverse breakdown voltage of 1.225V. It utilizes laser-trimmed resistors to achieve an initial accuracy of 1.0% with a maximum temperature coefficient of 150ppm/°C. The device operates within a wide current range of 60µA to 12mA and maintains stability across the -40°C to +85°C industrial temperature range. Packaged in a compact SOT23-3 surface-mount outline, it eliminates the need for external stabilizing capacitors while tolerating any capacitive load.

Voltage Reference Feature Summary

• Ultra-small 3-pin SOT23 surface-mount package designed for space-critical applications
• Laser-trimmed resistors ensure precise initial accuracy without requiring external components
• Stable operation guaranteed over a wide operating current range from 60µA to 12mA
• Capacitive load tolerant design that does not require an external stabilizing capacitor

Voltage Reference Applications

• Portable, battery-powered equipment
• Notebook computers
• Cell phones
• Industrial process controls

Voltage Reference Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to confirm the exact temperature grade and package variant. Confirm RoHS compliance status through the datasheet or manufacturer website. Ensure the selected component matches the required initial accuracy and temperature coefficient specifications for the target application environment before procurement.

Voltage Reference Selection Notes

Select this component when a fixed 1.225V reference is required in a minimal footprint. The SOT23-3 package offers a 50% size reduction compared to standard SOT23 packages. Verify that the 1.0% accuracy and 150ppm/°C temperature coefficient meet system requirements. Ensure the operating current remains within the 60µA to 12mA range for optimal performance.

Voltage Reference Part Context

This part belongs to the LM4041 family of improved precision micropower shunt voltage references. The family includes variants with different accuracies (0.1%, 0.2%, 0.5%, 1.0%) and temperature grades (-40°C to +85°C or +125°C). The DIM3 suffix indicates the SOT23-3 package and 1.0% accuracy grade, distinguishing it from SC70-3 or higher-precision alternatives.

Voltage Reference Replacement Considerations

LM4041DIX3-1.2+T: Identical electrical specifications but packaged in SC70-3 instead of SOT23-3.