ZXRE125ERSTOA

Overview

The ZXRE125ERSTOA is a bandgap micropower voltage reference providing a fixed output of 1.22V with an initial tolerance of ±2%. It operates within a current range of 4µA to 20mA and features a typical temperature coefficient of 20ppm/°C. The device is housed in a surface-mount SOT-23 package, supports an operating temperature from -40°C to +85°C, and maintains unconditional stability under capacitive loads.

Feature Summary

• Bandgap circuit architecture delivering a precise 1.22V reference
• Micropower operation with a low knee current of 4µA
• Unconditionally stable performance across the full operating current range
• High thermal stability with a typical temperature coefficient of 20ppm/°C

Applications

• Battery powered equipment
• Precision power supplies
• Portable instrumentation
• Data acquisition systems

Procurement Notes

Verify component authenticity through authorized Diodes Incorporated channels. Confirm that the specific ordering suffix matches the required tolerance grade and packaging format. Ensure compliance with RoHS3 specifications and confirm the absence of bromine and antimony in the molding compound before integration into production.

Selection Notes

Select this component for applications requiring high precision in space-constrained designs. The SOT-23 package offers a compact footprint suitable for portable devices. Verify that the system load requirements fall within the specified 4µA to 20mA operating range to maintain optimal accuracy and stability.

Part Context

This part belongs to the ZXRE125 series of micro-power voltage references manufactured by Diodes Incorporated. The series provides various tolerance grades (0.5%, 1%, 2%, 3%) in a standardized SOT-23 package. It serves as a pin-compatible replacement for legacy ZRA124 and ZRA125 series references.

Replacement Considerations

The datasheet identifies the ZXRE125 series as a direct pin-for-pin compatible replacement for the ZRA124 and ZRA125 series voltage references.