LM4041CEM3-1.2-T

Overview

The LM4041CEM3-1.2-T is a precision micropower shunt voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed output voltage of 1.225 V with an initial accuracy of ±0.1% at 25 °C. The device operates within a current range of 60 µA to 12 mA and features a maximum temperature coefficient of 100 ppm/°C. Designed for space-constrained applications, it utilizes a subminiature SOT-23 (SC-70) surface-mount package. The component ensures stability with capacitive loads without requiring external stabilization capacitors.

Feature Summary

• Provides stable reverse breakdown voltage with bandgap reference temperature drift curvature correction
• Operates stably with capacitive loads without the need for external stabilizing capacitors
• Available in subminiature SOT-23 surface-mount packages suitable for space-critical designs

Applications

• Space-critical electronic designs requiring compact voltage references
• Battery-powered systems utilizing low operating current capabilities
• Precision measurement circuits requiring high initial accuracy

Procurement Notes

Verify that the specific suffix 'CEM3' corresponds to the SOT-23 package and industrial temperature range as documented in official manufacturer datasheets. Confirm that the '-T' suffix indicates tape-and-reel packaging if required for assembly processes. Ensure compatibility with the intended operating temperature range and load conditions specified in the component's technical documentation before procurement.

Selection Notes

Select this component when a fixed 1.225 V reference with ±0.1% initial accuracy is required in a small form factor. It is suitable for applications where low quiescent current down to 60 µA is necessary to conserve power. The device is appropriate for designs needing stability with capacitive loads without additional external components, provided the operating current remains within the 60 µA to 12 mA range.

Part Context

The LM4041 series comprises precision micropower shunt voltage references available in various fixed voltages and adjustable versions. The LM4041 specifically offers a 1.225 V output, distinguishing it from the LM4040 which typically provides higher voltages like 2.5 V or 5.0 V. These devices are designed for applications demanding high precision and low power consumption in minimal footprint packages.

Replacement Considerations

LM4041CEM3-1.2/NOPB: Texas Instruments equivalent part number.