ZRC500A01STZ

Overview

The ZRC500A01STZ is a precision micropower voltage reference IC manufactured by Diodes Incorporated, providing a fixed output of 5.0V. It utilizes a bandgap circuit design and is housed in an SOT-23 surface-mount package. The device operates within a recommended current range of 25μA to 5mA, with a low knee current of 19μA typical. It features a temperature coefficient of 30ppm/°C typical and maintains stability without external capacitors. The component supports an operating temperature range from -40°C to +85°C.

Feature Summary

• Bandgap circuit design for precision voltage referencing
• Capacitor-free operation stable with capacitive loads
• Low knee current enabling efficient battery-powered applications
• Rugged design withstands transient effects up to 200mA

Applications

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

Procurement Notes

Verify the specific suffix 'STZ' against official manufacturer documentation, as standard datasheets list 'F' for SOT-23 packaging. Confirm availability status, as this part number may be obsolete or superseded by updated revisions. Ensure compatibility with required tolerance levels and thermal management constraints during integration.

Selection Notes

Select this component for designs requiring a compact SOT-23 footprint with high precision. Consider the 1% initial accuracy and low temperature drift for critical analog circuits. Evaluate power consumption requirements against the 25μA minimum operating current to ensure stable regulation under light load conditions.

Part Context

This device belongs to the ZRC500 series of precision voltage references. The series offers various package options including SOT-23, SO8, and TO-92 styles. Different suffixes denote specific tolerances and package types, allowing designers to choose configurations based on space and accuracy requirements.

Replacement Considerations

LM4040C50ILPR Texas Instruments

FAQ

Does the ZRC500 require an external stabilizing capacitor?

No, the ZRC500 design provides a stable voltage without an external capacitor and remains stable even with capacitive loads.

What is the typical temperature coefficient of the ZRC500?

The typical temperature coefficient is 30ppm/°C over the recommended operating current range.