LM4040D82IDCKR

Overview

The LM4040D82IDCKR is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 8.192V with a maximum initial tolerance of 1.0% and an average temperature coefficient of 150ppm/°C. The device operates within a cathode current range of 45µA to 15mA and functions across an ambient temperature range of -40°C to 85°C. It is housed in a space-saving SC-70-5 package.

Feature Summary

• Stable with all capacitive loads without requiring an external output capacitor
• Low dynamic impedance and low noise for stable performance over wide operating currents
• Designed for portable applications due to minimum current requirement of 45µA typical

Applications

• Data-Acquisition Systems
• Energy Infrastructure
• Analog Input Module
• Field Transmitters
• Precision Audio

Procurement Notes

Verify the specific ordering suffix against the manufacturer's latest Package Option Addendum to confirm the exact package type and temperature grade. Ensure the component meets RoHS3 compliance requirements for your assembly process. Cross-reference the datasheet revision date to confirm the electrical characteristics match your design specifications before finalizing procurement.

Selection Notes

Select this component when a fixed 8.192V reference is required in a compact surface-mount footprint. The D-grade specification offers a balance of cost and performance for industrial applications. Consider the 150ppm/°C temperature coefficient and 1% tolerance limits to ensure they align with the accuracy requirements of the target circuit design.

Part Context

This part belongs to the LM4040 series of shunt voltage references, which utilize fuse and Zener-zap reverse breakdown voltage trim during wafer sort. The series includes A, B, C, and D grades offering varying levels of accuracy and temperature stability. The LM4040D82IDCKR specifically represents the D-grade variant packaged in SC-70-5.

Replacement Considerations

LM4040D82IDCKRG4