ZRC250A02STOA

Overview

The ZRC250A02STOA is a precision micropower shunt voltage reference providing a fixed output of 2.5V, manufactured by Diodes Incorporated. It utilizes a bandgap circuit design and operates within an industrial temperature range of -40°C to +85°C. The device features a typical temperature coefficient of 30ppm/°C and maintains stability without requiring an external stabilizing capacitor. It supports an operating current range from 20µA to 5mA, with absolute maximum ratings allowing for transient currents up to 200mA.

Feature Summary

• Bandgap circuit design ensures stable voltage output without the need for external capacitors.
• Low knee current characteristic allows operation at minimal power levels suitable for battery applications.
• Rugged construction withstands transient effects and high currents up to 200mA.
• Fast transient response achieves stable operating conditions in less than 10 microseconds.

Applications

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

Procurement Notes

Verify component authenticity through authorized channels as the part number suffix indicates specific package and tolerance configurations. Confirm availability status directly with the manufacturer or distributors, as supply chain variations may affect lead times. Ensure that the selected variant matches the required PCB footprint and electrical specifications for the intended application environment.

Selection Notes

Select this component when a precise 2.5V reference is required in space-constrained designs utilizing surface mount or through-hole technologies. Consider the ±2% initial accuracy and low noise characteristics for sensitive analog circuits. Evaluate the thermal dissipation requirements based on the specific package type and ambient operating conditions to ensure reliable long-term performance.

Part Context

This component belongs to the ZRC250 series of precision voltage references designed for low-power applications. The series offers multiple tolerance options and package styles, including SOT23 and E-Line variants. The A02 designation specifically denotes a 2% tolerance version housed in an E-Line package format, aligning with industry standards for general-purpose voltage referencing.

Replacement Considerations

LM4040C50ILPR