ZRC400A01STOA

Overview

The ZRC400A01STOA is a precision micropower voltage reference providing a nominal output of 4.096 V with ±1% initial accuracy. It utilizes a bandgap circuit design and operates within a recommended current range of 23 μA to 5 mA, featuring a low knee current of 18 μA typical. The device exhibits a temperature coefficient of 90 ppm/°C maximum and maintains stability without external capacitors. It supports operation from -40°C to +85°C and withstands transient currents up to 200 mA.

Feature Summary

• Bandgap circuit design ensures stable voltage output without requiring an external stabilizing capacitor.
• Capable of reaching stable operating conditions in less than 10 microseconds for superior switching performance.
• Rugged construction allows the device to withstand transient effects and currents up to 200 mA.

Applications

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

Procurement Notes

Verify the specific package suffix against the ordering information table to confirm pin configuration and tolerance. The 'A' suffix denotes a standard E-Line 3-pin package. Ensure the selected variant matches the required PCB footprint and thermal dissipation capabilities for the intended application environment.

Selection Notes

Select this component when space-saving through-hole packaging is required alongside high precision. The ±1% tolerance option provides tighter accuracy compared to standard variants. Consider the low knee current specification for applications demanding minimal quiescent power consumption during standby or active modes.

Part Context

This part belongs to the ZRC400 series of precision voltage references manufactured by Diodes Incorporated. The series offers multiple tolerance levels and package styles, including SOT23, SO8, and various E-Line configurations. The A suffix specifically identifies the standard three-pin E-Line package variant.

Replacement Considerations

ZRC400A02STOA (2% tolerance)

FAQ

Does the ZRC400A01STOA require an external capacitor for stability?

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

What is the minimum operating current for this voltage reference?

The minimum operating current is 18 μA typical, with a recommended operating range starting at 23 μA.