LM4040B10IDBZT

Overview

The LM4040B10IDBZT is a micropower shunt voltage reference from Texas Instruments, providing a fixed output of 10V. It features an initial accuracy of ±0.2% and operates within a temperature range of -40°C to +125°C. The device utilizes a SOT-23-3 surface-mount package with a maximum cathode current of 15 mA and a minimum operating current of 75 µA. Its temperature coefficient is specified at 100 ppm/°C.

Feature Summary

• Micropower operation with low minimum operating current for battery efficiency
• High precision with ±0.2% initial accuracy tolerance
• Wide industrial temperature range capability up to +125°C

Applications

• Portable instrumentation requiring stable reference voltages
• Battery-powered measurement systems
• Data acquisition systems

Procurement Notes

Verify the specific suffix 'B' indicates the ±0.2% accuracy grade and '10' denotes the 10V output during procurement. Confirm the 'DBZT' suffix corresponds to the SOT-23-3 package and tape-and-reel shipping format. Ensure compatibility with the required thermal management for the +125°C maximum junction temperature rating.

Selection Notes

Select this component when a 10V reference is required in a compact SOT-23 footprint. The ±0.2% accuracy suits applications needing tighter tolerances than standard commercial grades. Consider the 15mA maximum current limit for load driving capabilities and ensure the circuit design accommodates the 75µA minimum operating current requirement.

Part Context

This part belongs to the LM4040 series of micropower shunt voltage references. The series offers various fixed output voltages and accuracy grades (A, B, C) packaged in small form factors like SOT-23. It serves as a cost-effective alternative to larger packages while maintaining precision performance suitable for portable electronics.

Replacement Considerations

LM4040B10IDBZR: Same electrical specifications and package, differing only in reel packaging quantity.