LM4041DILT-1.2

Voltage Reference Overview

The LM4041DILT-1.2 is a micropower shunt voltage reference manufactured by STMicroelectronics, providing a fixed typical output voltage of 1.225 V. It features an initial accuracy of ±1% at 25 °C and a maximum temperature coefficient of 150 ppm/°C. The device operates with a cathode current of 73 µA and supports a maximum output current of 12 mA. It is available in SOT-23-3L surface mount packages and functions within an industrial temperature range of -40 °C to +85 °C.

Voltage Reference Feature Summary

• Provides a stable 1.225 V fixed output voltage suitable for precision applications
• Operates with ultra-low micropower consumption ideal for battery-powered designs
• Maintains stability when connected to capacitive loads
• Available in compact SOT-23-3L surface mount packaging

Voltage Reference Applications

• Battery-powered measurement instruments
• Portable electronic devices requiring space-saving components
• Industrial control systems operating in extended temperature environments
• Precision analog-to-digital converter reference circuits

Voltage Reference Procurement Notes

Verify the specific suffix DIL against official STMicroelectronics documentation to confirm the exact grade and package variant. Ensure the procurement channel provides valid traceability for the industrial temperature range specification. Cross-reference the part number with the manufacturer's active product list to confirm current availability status before finalizing orders.

Voltage Reference Selection Notes

Select this component when a fixed 1.225 V reference is required with ±1% initial accuracy. Consider the low operating current for power-constrained designs. Verify that the SOT-23-3L package fits the board layout constraints. Confirm compatibility with the system's capacitive load requirements to ensure stability without additional compensation components.

Voltage Reference Part Context

This part belongs to the LM4041 family of precision micropower shunt voltage references. The series offers various accuracy grades and output voltages, including adjustable versions. The LM4041DILT-1.2 specifically denotes the 1.225 V fixed output variant with 1% accuracy in the SOT-23-3L package, designed for high-volume consumer and industrial electronics.

Voltage Reference Replacement Considerations

LM4041B12IDBZR from Texas Instruments is a documented similar substitute. Verify pinout compatibility and electrical parameter alignment before replacement.