LM4040CIM7-4.1

Overview

The LM4040CIM7-4.1 is a precision micropower shunt voltage reference from Texas Instruments, featuring a fixed reverse breakdown voltage of 4.1 V. It operates within an industrial temperature range of -40°C to +85°C and utilizes a SC-70 (SOT-323) surface-mount package. The device provides an initial accuracy of ±0.5% at 25°C with a maximum temperature coefficient of 100 ppm/°C. Designed for space-critical applications, it eliminates the need for external stabilizing capacitors while tolerating capacitive loads.

Feature Summary

• Eliminates the need for external stabilizing capacitors
• Tolerates capacitive loads without instability
• Utilizes bandgap reference curvature correction for stability

Applications

• Portable, battery-powered equipment
• Data acquisition systems
• Instrumentation
• Process controls
• Precision audio components

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to confirm package type and tolerance grade. Ensure the component meets the required industrial temperature specifications for the intended application environment before finalizing procurement.

Selection Notes

Select this component for designs requiring a compact footprint due to its small SC-70 package. Consider the 4.1 V output level and ±0.5% initial accuracy when designing circuits that require precise voltage referencing in space-constrained environments.

Part Context

This part belongs to the LM4040-N family of precision micropower shunt voltage references. The family offers various fixed voltages and packages, including SOT-23 and TO-92. The 'M7' suffix indicates the SC-70 package variant.

FAQ

Does the LM4040CIM7-4.1 require an external capacitor for stability?

No, the advanced design of the LM4040-N series eliminates the need for an external stabilizing capacitor.

What is the operating temperature range for this component?

The LM4040CIM7-4.1 operates within the industrial temperature range of -40°C to +85°C.