TL4050A50QDCKR

Overview

The TL4050A50QDCKR is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 5 V with an initial accuracy of 0.1 percent and a temperature coefficient of 30 ppm per degree Celsius. The device operates within a junction temperature range of -40 to +125 degrees Celsius and supports a maximum cathode current of 15 mA. It is housed in a compact SC-70-5 surface-mount package and meets AEC-Q100 automotive qualification standards.

Feature Summary

• Automotive-grade reliability certified under the AEC-Q100 standard for robust performance in vehicle environments.
• High precision voltage regulation achieved through tight initial accuracy and low temperature drift characteristics.
• Micropower operation design enables efficient energy usage suitable for battery-powered and space-constrained applications.

Applications

• Automotive electronic systems requiring stable voltage references
• Data acquisition circuits needing high accuracy analog-to-digital conversion references
• Portable instrumentation utilizing battery power sources

Procurement Notes

Verify the specific suffix QDCKR to confirm the component meets automotive qualification requirements and utilizes the SC-70-5 package configuration. Ensure compatibility with your manufacturing process regarding the reel packaging format. Cross-reference the datasheet for thermal management guidelines and recommended operating conditions to guarantee long-term reliability in your specific application environment.

Selection Notes

Select this component when automotive certification is mandatory alongside high precision voltage referencing. The SC-70-5 package offers a small footprint ideal for dense circuit board layouts. Consider the 0.1 percent accuracy and 30 ppm/C temperature coefficient if your design demands minimal drift over wide temperature variations compared to standard industrial grade alternatives.

Part Context

This part belongs to the TL4050 family of precision micropower shunt voltage references from Texas Instruments. The family includes various output voltages and accuracy grades tailored for different industrial and automotive needs. The TL4050 series is designed to replace older discrete reference solutions, offering integrated stability and reduced board space requirements for modern electronic designs.

Replacement Considerations

Consult official substitution guides for equivalent automotive-grade shunt references. Verify pinout compatibility and electrical parameter alignment before replacing existing components in production assemblies.