LM4040DIX3-4.1

Overview

The LM4040DIX3-4.1 is a precision micropower shunt voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed output voltage of 4.096 V with an initial accuracy of 1%. The device operates within a temperature range of -40°C to +85°C and features a maximum temperature coefficient of 30 ppm/°C. It supports a maximum shunt current of 15 mA and is housed in an SC-70-3 surface-mount package.

Feature Summary

• Provides stable fixed output voltage across industrial temperature ranges
• Features low temperature coefficient for high precision performance
• Designed for space-constrained applications via compact packaging

Applications

• Portable instrumentation requiring precise voltage references
• Battery-powered systems utilizing micropower characteristics
• Data acquisition systems needing stable analog references

Procurement Notes

Verify the specific suffix 'DIX3' against official manufacturer documentation to confirm the exact package type (SC-70-3) and tolerance class (1%). Ensure compatibility with existing PCB footprints designed for this specific SMD form factor before procurement.

Selection Notes

Select this component when a 4.096 V reference with 1% initial accuracy is required. It is suitable for designs prioritizing low temperature drift over ultra-high initial precision. Verify that the operating environment remains within the specified -40°C to +85°C range for optimal performance.

Part Context

This part belongs to the LM4040 family of micropower shunt voltage references. The family offers various accuracy grades and output voltages, including 2.048 V, 2.5 V, 3.0 V, 4.096 V, and 5.0 V options. The LM4040 series is widely used in power management and signal conditioning circuits.

Replacement Considerations

LM4040BIM3-4.1+T: Offers higher accuracy (0.2%) but requires verification of package and temperature range compatibility.