LM4040B82IDCKR

Overview

The LM4040B82IDCKR is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 8.192 V with an initial accuracy of ±0.2%. The device operates within a temperature range of -40°C to +85°C and features a maximum shunt current of 15 mA. It is housed in a SC70-5 surface-mount package.

Feature Summary

• Precision micropower shunt voltage reference design
• High initial accuracy for stable reference applications
• Compact SC70-5 surface-mount packaging

Applications

• Portable instrumentation requiring precise voltage references
• Battery-powered measurement systems
• Data acquisition channels needing stable reference voltages

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and specific lot codes against the official datasheet specifications. Ensure storage conditions align with moisture sensitivity level requirements to maintain device integrity prior to assembly.

Selection Notes

Select this component when high accuracy (±0.2%) and low power consumption are critical. The SC70-5 package suits space-constrained designs. Verify that the 8.192 V output matches system requirements and that the operating temperature range covers the intended application environment.

Part Context

This part belongs to the LM4040 series of precision micropower shunt voltage references from Texas Instruments. The series offers various fixed output voltages and accuracy grades, designed for applications requiring stable reference voltages in compact packages with low quiescent current.

Replacement Considerations

Consult the official LM4040 datasheet for cross-reference options. Compatible substitutes may include other LM4040 variants with matching voltage and accuracy, provided pinout and thermal characteristics are verified.