LM4040CIX3-4.1

Overview

The LM4040CIX3-4.1 is a micropower shunt voltage reference manufactured by Analog Devices Inc./Maxim Integrated, operating within the LM4040 series. It provides a fixed output voltage of 4.1 V with an initial accuracy of ±0.5%. The device features a maximum temperature coefficient of 100 ppm/°C and operates over an extended industrial temperature range from -40°C to +85°C. Packaged in the compact SC-70-3 (SOT-323) surface-mount format, it supports a maximum shunt current of 15 mA.

Feature Summary

• Provides stable fixed reference voltage output suitable for precision applications
• Operates effectively across wide industrial temperature ranges
• Utilizes compact surface-mount packaging for space-constrained designs

Applications

• Portable battery-powered instrumentation systems
• Data acquisition circuits requiring precise voltage references
• Handheld measurement devices

Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm package designation matches SC-70-3 requirements. Ensure supply chain documentation aligns with manufacturer specifications for quality assurance.

Selection Notes

Select this variant when ±0.5% accuracy meets circuit tolerance requirements. Consider thermal management for high-current shunt operations. Evaluate package compatibility against existing PCB footprint constraints.

Part Context

Part of the LM4040 family offering low-power shunt references. Competes with similar micropower voltage standards in the PMIC category. Designed for applications prioritizing power efficiency alongside moderate precision levels.

Replacement Considerations

LM4040CIM3X-4.1/G4 offers equivalent functionality with comparable electrical characteristics.