TL4050B41QDBZRQ1

Overview

The TL4050B41QDBZRQ1 is an automotive catalog precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 4.096 V with an initial accuracy of 0.2% and a temperature coefficient of 50 ppm/°C. The device operates within a junction temperature range of -40°C to +125°C and supports a maximum cathode current of 15 mA. It is housed in a compact SOT-23-3 package and meets AEC-Q100 qualification standards for automotive applications.

Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards
• High precision with 0.2% initial accuracy and low temperature drift
• Micropower operation suitable for battery-powered systems

Applications

• Automotive sensor signal conditioning
• Data acquisition systems requiring stable reference voltages
• Portable instrumentation with strict power constraints

Procurement Notes

Verify the complete part number including suffixes such as QDBZRQ1 to ensure correct packaging, temperature grade, and automotive qualification status. Confirm that the specific revision matches the design requirements for tolerance and thermal performance before finalizing procurement orders.

Selection Notes

Select this component when high accuracy and automotive compliance are required in a small footprint. Compare against other TL4050 variants based on specific voltage needs and accuracy grades. Ensure the circuit design accommodates the minimum operating current and thermal dissipation limits specified in the datasheet.

Part Context

This device belongs to the TL4050 family of precision shunt voltage references designed for space-constrained applications. It offers improved accuracy over standard bandgap references while maintaining low power consumption. The automotive variant ensures robustness against vibration and extreme environmental conditions typical in vehicle electronics.

Replacement Considerations

Direct substitutes include other TL4050 series parts with matching voltage and accuracy, such as TL4050B41IDCKR or TL4050C41QDBZRQ1, provided pin compatibility and package type align with the existing PCB layout.