TL4050C41QDBZR

Overview

The TL4050C41QDBZR is a micropower shunt voltage reference manufactured by Texas Instruments, designed for automotive applications with AEC-Q100 qualification. It provides a fixed output voltage of 4.1V with an initial accuracy of ±0.5%. The device operates within a temperature range of -40°C to +125°C and features a low temperature coefficient of 50ppm/°C. Key electrical parameters include a maximum cathode current of 90µA and a maximum output current of 15mA. Noise performance is specified at 93µVrms over the 10Hz to 10kHz frequency band. The component is housed in a compact SOT-23-3 surface-mount package.

Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards
• Micropower operation with minimal quiescent current consumption
• Precision voltage regulation with tight initial accuracy tolerance
• Low noise output suitable for sensitive analog signal chains

Applications

• Automotive sensor signal conditioning circuits
• Data acquisition systems requiring stable reference voltages
• Portable battery-powered instrumentation
• Industrial control system analog inputs

Procurement Notes

Verify the complete part number including suffixes to ensure correct packaging and automotive grade status. Confirm that the specific revision matches project requirements. Check manufacturer documentation for any recent product change notifications affecting pinout or specifications. Ensure compatibility with existing PCB footprints and thermal management strategies during integration.

Selection Notes

Select this component when automotive certification and low power consumption are critical design constraints. The fixed 4.1V output eliminates the need for external resistor networks. Consider the SOT-23-3 package size for space-constrained layouts. Evaluate the 50ppm/°C temperature coefficient against the operating environment's thermal profile to ensure long-term stability meets system accuracy requirements.

Part Context

This device belongs to the TL4050 family of precision voltage references from Texas Instruments. The family offers various output voltages and accuracy grades tailored for different application needs. The 'C' designation indicates the specific accuracy class, while the 'Q' suffix denotes automotive qualification. This series is engineered to provide reliable performance in harsh environments typical of modern electronic systems.

Replacement Considerations

TL4050C41IDCKT is listed as a similar alternative in public records.