ZXRE1004EFTA

Overview

The ZXRE1004EFTA is a 1.22V bandgap shunt voltage reference in an SOT-23 package with ±2% initial accuracy. It operates from 8µA to 20mA with a typical temperature coefficient of 20ppm/°C and knee current of 4µA. The device is unconditionally stable, RoHS compliant, and obsolete.

Feature Summary

• Ultra-low power operation with 4µA typical knee current
• High precision with 20ppm/°C typical temperature coefficient
• Unconditionally stable without external components
• Space-saving SOT-23 surface mount package

Applications

• Battery powered equipment
• Portable instrumentations
• Data acquisition systems
• A/D and D/A converters

Procurement Notes

This component is officially marked as Obsolete and Not Recommended for New Design by Diodes Incorporated. Verify end-of-life status before procurement. Check for authorized distributors or surplus stock availability. Confirm replacement part numbers such as the ZXRE125 series for new designs.

Selection Notes

Select this part only for legacy system maintenance or repair where exact pinout compatibility is required. Evaluate the ZXRE125 series as the recommended successor. Ensure operating current remains within the 8µA to 20mA range for optimal stability and performance specifications.

Part Context

Part of the ZXRE1004 family offering 1.22V references. Provides pin-for-pin alternatives to REF1004, LT1004, and LM185/385 series. Designed for portable applications requiring low quiescent current and small footprint solutions in compact electronic devices.

Replacement Considerations

ZXRE125EFTA

FAQ

Is the ZXRE1004EFTA unconditionally stable?

Yes, the datasheet specifies that the device is designed to be highly tolerant of capacitive loads and maintains excellent stability without requiring external compensation components.

What is the minimum operating current for this reference?

The minimum knee current is typically 4µA, with a recommended operating current range starting at 8µA up to 20mA.