LM4041DICT-1.2

Overview

The LM4041DICT-1.2 is a micropower shunt voltage reference manufactured by STMicroelectronics, providing a stable 1.225 V output voltage. It features an initial accuracy of ±0.1% at 25 °C and a maximum temperature coefficient of 100 ppm/°C. The device operates with an ultra-low current of 40 μA at 25 °C and supports cathode currents up to 12 mA. It is housed in a compact SOT-23-3 surface-mount package and functions within an industrial temperature range of -40 °C to +85 °C.

Feature Summary

• Provides a fixed 1.225 V reference voltage with high precision
• Operates with ultra-low quiescent current for power efficiency
• Maintains stability when connected to capacitive loads
• Available in space-saving surface-mount packages

Applications

• Portable battery-powered instrumentation
• Data acquisition systems requiring precise voltage references
• Space-constrained electronic designs
• Power-supply monitoring circuits

Procurement Notes

Verify the specific suffix 'DICT' against official STMicroelectronics documentation to confirm the exact temperature grade and packaging configuration. Ensure compatibility with the required operating environment and load conditions before procurement.

Selection Notes

Select this component for applications demanding high precision and low power consumption. Consider the ±0.1% accuracy and 100 ppm/°C temperature coefficient for critical reference needs. Verify that the SOT-23-3 package fits the PCB layout constraints.

Part Context

This part belongs to the LM4041 family of micropower shunt voltage references from STMicroelectronics. The family offers various accuracy grades and output voltages, designed for applications where size and power efficiency are primary design drivers.

Replacement Considerations

Public confirmed substitute part numbers: LM4041CELT-1.2.