TL4050B50QDCKR

Overview

The TL4050B50QDCKR 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 0.2%. The device features a temperature coefficient of 50 PPM/°C and supports a maximum shunt current of 15 mA. It operates within a temperature range of -40°C to +125°C and is housed in a SC-70-5 surface-mount package.

Feature Summary

• Provides stable reference voltage with high initial accuracy
• Designed for low power consumption applications
• Capable of operating across extended industrial temperature ranges

Applications

• Portable instrumentation requiring precise voltage references
• Battery-powered measurement systems
• Data acquisition circuits

Procurement Notes

Verify the specific suffix QDCKR against official Texas Instruments documentation to confirm automotive qualification status and packaging details. Ensure compatibility with SC-70-5 footprints during design review. Confirm RoHS compliance and lead-free specifications prior to procurement to meet regulatory requirements.

Selection Notes

Select this component when a 5 V reference with 0.2% accuracy is required in a compact SC-70-5 package. Consider the 50 PPM/°C temperature coefficient for thermal stability needs. Evaluate the 15 mA maximum shunt current capability against load requirements to ensure proper regulation under varying conditions.

Part Context

This part belongs to the TL4050 series of precision micropower shunt voltage references from Texas Instruments. The series offers various output voltages and accuracy grades, designed for space-constrained and battery-operated applications. The 'Q' designation typically indicates automotive-grade qualification within this product family.

Replacement Considerations

Consult official Texas Instruments substitution guides for verified alternatives. Generic equivalents may not match the specific automotive qualification or SC-70-5 footprint requirements.