TL4050C20QDBZRQ1

Overview

The TL4050C20QDBZRQ1 is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 2.048 V with an initial accuracy of 0.5%. 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 SOT-23-3 package. The component holds AEC-Q100 qualification for automotive applications.

Feature Summary

• AEC-Q100 qualified for automotive reliability standards
• Micropower operation suitable for battery-powered systems
• High precision with 0.5% initial accuracy
• Compact SOT-23-3 surface-mount packaging

Applications

• Automotive data acquisition systems
• Portable instrumentation requiring stable references
• Battery-operated measurement devices
• Industrial process control loops

Procurement Notes

Verify the complete part number including suffixes such as QDBZRQ1 to ensure correct automotive grade, package type, and tape-and-reel configuration. Confirm that the specific voltage variant matches system requirements. Check RoHS compliance status and ensure compatibility with intended operating temperature ranges before finalizing procurement orders.

Selection Notes

Select this component when a fixed 2.048 V reference is required in automotive environments. Compare against other TL4050 variants based on required accuracy levels and available package options. Ensure the 15 mA load capability meets downstream circuit demands while maintaining low quiescent current for power efficiency in space-constrained designs.

Part Context

This device belongs to the TL4050 family of precision voltage references from Texas Instruments. The family offers various fixed output voltages and accuracy grades tailored for different application needs. The 'C' designation indicates a specific accuracy tier within the series, while the 'Q1' suffix denotes automotive qualification.

Replacement Considerations

Compatible substitutes include other TL4050 series parts with matching voltage outputs or alternative packages like TL4050C25IDBZT. Verify pinout compatibility and thermal characteristics when swapping between similar shunt reference devices from the same manufacturer.