TL4050C50IDBZR

Overview

The TL4050C50IDBZR 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 ±0.5% and a temperature coefficient of 50 ppm/°C. The device operates within a junction temperature range of -40°C to +125°C and supports a maximum cathode current of 15 mA while maintaining a low quiescent current of 73 µA. Packaged in a compact SOT-23-3 surface-mount case, it is designed for applications requiring stable voltage references in space-constrained environments.

Feature Summary

• Provides high-precision voltage regulation with tight initial accuracy tolerances
• Maintains stable performance across wide industrial temperature ranges
• Features ultra-low power consumption suitable for battery-operated systems

Applications

• Portable instrumentation requiring precise analog-to-digital conversion references
• Battery-powered measurement devices needing long-term stability
• Data acquisition systems utilizing microcontrollers with internal ADCs

Procurement Notes

Verify the specific suffix IDBZR confirms the SOT-23-3 package and reel packaging format. Ensure the C-grade designation matches the required 0.5% accuracy specification for your design. Confirm RoHS compliance status if environmental regulations apply to your manufacturing process. Cross-reference the manufacturer part number against official distributors to avoid counterfeit components.

Selection Notes

Select this component when a 5 V reference with 0.5% accuracy is sufficient for the application. Consider the SOT-23-3 footprint constraints during PCB layout. Evaluate thermal management requirements given the 125°C maximum operating temperature. Compare noise specifications against other series members if lower noise is critical for signal integrity.

Part Context

This device belongs to the TL4050 family of precision shunt voltage references from Texas Instruments. It shares architectural similarities with the LM4040 series but offers improved accuracy and lower temperature coefficients. The component serves as a drop-in replacement for older generation references in designs requiring higher precision without increasing power consumption significantly.

FAQ

What is the minimum operating current for the TL4050C50IDBZR?

The datasheet specifies a minimum cathode current requirement to maintain regulation, typically around 73 µA for this specific variant.

Does the TL4050C50IDBZR require external compensation capacitors?

No external compensation capacitor is required for standard operation, though a small output capacitor may be recommended for stability in specific transient load conditions.