TL4050B41QDBZTG4

Overview

The TL4050B41QDBZTG4 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 ±0.2%. The device operates within a temperature range of -40°C to +125°C and features a maximum shunt current of 15 mA. It is housed in a SOT-23 package and meets automotive quality standards.

Feature Summary

• Automotive-grade qualification for reliable operation in demanding environments
• High precision with ±0.2% initial accuracy for stable reference performance
• Micropower consumption suitable for battery-powered applications
• Wide operating temperature range extending to +125°C

Applications

• Automotive data acquisition systems
• Precision analog-to-digital converter references
• Battery management system monitoring circuits

Procurement Notes

Verify the specific suffix 'G4' indicates lead-free compliance and RoHS status as per manufacturer documentation. Confirm the 'Q' prefix denotes automotive grade qualification requirements. Ensure the SOT-23 package type matches the target PCB footprint design constraints before finalizing procurement orders.

Selection Notes

Select this component when automotive reliability and high precision are required in a compact surface-mount package. The 4.096 V output is standard for many ADC interfaces. Consider the 15 mA load capability against circuit current demands. Verify thermal management needs given the wide temperature range specification.

Part Context

This part belongs to the TL4050 family of precision shunt voltage references from Texas Instruments. The family offers various accuracy grades and output voltages. The QDBZT variant specifically targets automotive applications with enhanced stability and rigorous testing protocols compared to commercial grade counterparts.

Replacement Considerations

TL4050B41IDCKR is a listed alternative offering similar electrical characteristics but without automotive qualification.