ZR285F01TC

Overview

The ZR285F01TC is a precision micropower voltage reference providing a nominal output of 2.5V, manufactured by Diodes Incorporated. It utilizes a bandgap circuit design and operates within an industrial temperature range from -40°C to +85°C. The device features a typical temperature coefficient of 30ppm/°C and maintains stability without requiring an external stabilizing capacitor. Electrical characteristics include a minimum operating current of 20μA, a maximum reverse current rating of 30mA, and a slope resistance of 0.4Ω. It is housed in a small outline SOT-23 surface-mount package.

Feature Summary

• Bandgap circuit design ensures stable voltage regulation without the need for external capacitors.
• Capable of withstanding transient effects and currents up to 200mA due to rugged processing.
• Features low knee current operation suitable for battery-powered applications.
• Provides superior switching capability reaching stable conditions in microseconds.

Applications

• Battery powered and portable equipment
• Metering and measurement systems
• Instrumentation
• Test equipment
• Data acquisition systems

Procurement Notes

Verify component authenticity through authorized channels as counterfeit risks exist. Confirm the specific suffix matches required tolerance levels. Check datasheet revisions for updates on electrical parameters. Ensure environmental compliance requirements align with project specifications. Validate package dimensions against PCB footprint designs before final procurement decisions.

Selection Notes

Select this component when space-saving surface-mount packaging is required alongside high precision. Consider its low knee current for efficient power management in battery-operated devices. Evaluate the ±2% tolerance against system accuracy requirements. Verify that the 30ppm/°C temperature coefficient meets thermal stability needs across the specified industrial operating range.

Part Context

This part belongs to the ZR285 series of precision voltage references designed for micropower applications. The series offers various tolerance options packaged in compact SOT-23 form factors. These components are engineered for applications demanding stable reference voltages in limited spaces while maintaining performance under varying load conditions.

Replacement Considerations

ZR285F02TA provides a 2% tolerance option within the same series.

FAQ

Does the ZR285 require an external capacitor for stability?

No, the ZR285 design provides a stable voltage without requiring an external stabilizing capacitor.

What is the recommended operating current range?

The device is recommended for operation between 20 μA and 20 mA.