TL4050C41QDCKT

Overview

The TL4050C41QDCKT is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 4.096 V with an initial accuracy of ±0.5%. The device operates within a temperature range of -40°C to +85°C and features a temperature coefficient of 50 ppm/°C. It supports a maximum shunt current of 15 mA and draws a cathode current of 73 µA. The component is housed in a SC-70-5 surface-mount package.

Feature Summary

• Delivers stable reference voltage with high initial accuracy for sensitive analog circuits
• Operates efficiently at low quiescent currents suitable for battery-powered applications
• Designed for reliable performance across extended industrial temperature ranges

Applications

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

Procurement Notes

Verify the specific suffix Q indicates automotive qualification requirements against your design specifications. Confirm the operating temperature range aligns with your environmental constraints, as this variant is rated for -40°C to +85°C. Ensure the SC-70-5 package footprint matches your PCB layout. Check for end-of-life status or obsolescence notices before finalizing procurement plans.

Selection Notes

Select this component when a 4.096 V reference with ±0.5% accuracy is required in a compact SC-70-5 package. It is suitable for applications prioritizing low power consumption alongside moderate precision. Consider alternative accuracy grades if tighter tolerances are necessary. Verify that the shunt current capability meets the load requirements of your reference circuit design.

Part Context

This part belongs to the TL4050 family of precision micropower shunt voltage references from Texas Instruments. The family offers various output voltages and accuracy grades. The C grade denotes ±0.5% initial accuracy. The Q suffix typically signifies automotive qualification standards. The DCK package identifies the five-lead SC-70 form factor used for space-constrained designs.

Replacement Considerations

Publicly confirmed substitute part numbers for this specific component were not found in the provided documentation.