TL4051AIDBZR

Overview

The TL4051AIDBZR is a micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 1.225V with an initial accuracy of ±0.2%. The device operates within a temperature range of -40°C to +85°C and features a low dynamic impedance and noise. It requires a minimum operating current of 60µA (typical) and can sink up to 12mA. The component is housed in a space-saving SOT-23-3 surface-mount package, making it suitable for portable applications.

Feature Summary

• Provides a stable 1.225V reference output with high precision
• Operates with minimal quiescent current for power efficiency
• Maintains stability across wide capacitive loads without external components

Applications

• Data acquisition systems
• Portable battery-powered equipment
• Precision measurement instruments

Procurement Notes

Verify the specific suffix 'IDBZR' corresponds to the industrial temperature grade (-40°C to +85°C) and the ±0.2% tolerance class. Confirm the package type is SOT-23-3. Ensure compatibility with system ground references and load requirements before integration.

Selection Notes

Select this part when a precise 1.225V reference is required in a compact form factor. It is ideal for designs prioritizing low power consumption and high accuracy over a standard industrial temperature range. Consider the TL4051 family variants if different voltage outputs or temperature grades are needed.

Part Context

This component belongs to the TL4051 series of micropower shunt voltage references from Texas Instruments. The series offers various output voltages and accuracy grades to suit diverse application needs while maintaining a consistent small footprint and low power profile.

Replacement Considerations

Check for direct equivalents such as the LM4040 series or other shunt references from Texas Instruments with matching voltage and tolerance specifications.