LM4041CEM3-1.2+T

Voltage Reference Overview

The LM4041CEM3-1.2+T is a precision micropower shunt voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed reverse breakdown voltage of 1.225V with an initial accuracy of ±0.5% at +25°C and a maximum temperature coefficient of 100ppm/°C. The device operates within a wide current range from 60µA to 12mA, ensuring stable performance across varying loads. It is housed in a compact 3-pin SOT23 surface-mount package and is guaranteed to function over an extended temperature range of -40°C to +125°C.

Voltage Reference Feature Summary

• Ultra-small 3-pin SOT23 surface-mount package designed for space-critical applications
• High precision with 0.5% initial accuracy and low temperature drift
• Capable of tolerating any capacitive load without requiring external stabilizing capacitors
• Wide operating current range from 60µA to 12mA ensures stability under diverse conditions

Voltage Reference Applications

• Portable and 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 package type, temperature grade, and lead-free status. Ensure compatibility with existing PCB land patterns for the SOT23-3 footprint. Cross-reference the part number with authorized distributors to validate authenticity and traceability before final procurement decisions.

Voltage Reference Selection Notes

Select this component when a subminiature form factor is required alongside high precision. The 0.5% accuracy grade offers a balance between cost and performance for general-purpose references. Consider the 60µA minimum operating current for low-power designs and verify that the 12mA maximum shunt current capability meets the circuit's peak dissipation requirements.

Voltage Reference Part Context

This component belongs to the LM4041 family of improved precision micropower shunt voltage references. The family includes variants with different accuracy grades (0.1%, 0.2%, 0.5%, 1%) and temperature ranges (-40°C to +85°C or -40°C to +125°C). The 'CE' suffix indicates the C-grade accuracy and extended temperature range, while 'M3' specifies the SOT23-3 package.

Voltage Reference Replacement Considerations

LM4041CIM3-1.2+T

Voltage Reference FAQ

Does the LM4041CEM3-1.2+T require an external capacitor for stability?

No, the LM4041 does not require an external stabilizing capacitor and is stable with any capacitive load.

What is the pin configuration for Pin 3 on the LM4041CEM3-1.2+T?

Pin 3 is a No Connect (N.C.) and must be left floating or connected to Pin 2 (the negative terminal).