ZRC400A03STOA

Overview

The ZRC400A03STOA is a precision micropower voltage reference delivering a nominal output of 4.096 volts, utilizing bandgap circuit design for stability without requiring external stabilizing capacitors. It operates within a recommended current range of 23μA to 5mA and withstands transients up to 200mA. The device features a typical temperature coefficient of 30ppm/°C and maintains excellent performance across an industrial temperature range of -40°C to +85°C. Packaged in E-Line-3 (TO-92 style) with suffix A indicating 3% tolerance.

Feature Summary

• Bandgap circuit design provides stable voltage reference without external capacitors
• Capable of withstanding transient effects and currents up to 200mA
• Superior switching capability ensures stable operating conditions in microseconds
• Low knee current allows operation in low power and battery powered applications

Applications

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

Procurement Notes

Verify the specific package suffix and tolerance code against official Diodes Incorporated documentation before procurement. Confirm that the E-Line-3 form factor matches the target PCB footprint requirements. Ensure the component meets the required industrial temperature range specifications for the intended application environment.

Selection Notes

Select this component when a precise 4.096V reference is needed in through-hole designs. Consider the 3% tolerance variant if tighter accuracy is not critical. Evaluate the low knee current requirement against the minimum load current available in the circuit design to ensure stable regulation under all operating conditions.

Part Context

This part belongs to the ZRC400 series of precision voltage references manufactured by Diodes Incorporated. The series offers various tolerance options and package styles including SOT23, SO8, and E-Line configurations. The ZRC400A03 specifically denotes the 3% tolerance version in the E-Line-3 package format.

Replacement Considerations

ZRC400A02STZ

FAQ

Does the ZRC400A03 require an external capacitor for stability?

No, the ZRC400 design provides a stable voltage without an external capacitor and is stable with capacitive loads.

What is the maximum current the device can withstand during transients?

While the recommended operating current is up to 5mA, the rugged design allows the reference to withstand transient currents up to 200mA.