REF43GSZ-REEL

Overview

The REF43GSZ-REEL is a low power precision voltage reference providing a stable 2.5 V output, housed in an 8-SOIC package with a reel quantity of 1,000 units. It features a fixed initial accuracy of ±0.1% and a temperature coefficient of 25 ppm/°C. The device operates within a supply voltage range of 4.5 V to 40 V, drawing a typical supply current of 450 µA. It delivers up to 20 mA of output current and maintains operation across a temperature range of -40°C to +85°C.

Feature Summary

• Provides a stable 2.5 V output independent of variations in supply voltage, load conditions, or ambient temperature.
• Utilizes zener-zap trimming for both output voltage and temperature coefficient to ensure tight tolerances and low thermal drift.
• Incorporates a unique curvature correction circuit to reduce the thermal curvature characteristic of previous bandgap references.

Applications

• Reference level for 8-bit data acquisition systems
• Reference level for 10-bit data acquisition systems
• Reference level for 12-bit data acquisition systems

Procurement Notes

Verify that the component matches the specific REEL7 packaging format containing 1,000 units per reel. Confirm the suffix indicates lead-free construction. Ensure the ordering code aligns with the required SOIC package type and specified accuracy grade before finalizing procurement orders.

Selection Notes

Select this component when a fixed 2.5 V reference is required for moderate precision applications. It is suitable for designs needing low power consumption alongside stability over varying temperatures. Consider the 20 mA output capability if driving loads directly without additional buffering stages.

Part Context

This part belongs to the REF43 family of low power precision voltage references manufactured by Analog Devices Inc. The GSZ designation identifies the specific plastic SOIC package variant with lead-free compliance. The REEL7 suffix specifies the tape and reel packaging configuration used for automated assembly processes.

Replacement Considerations

REF43GS-REEL

FAQ

How does the REF43 achieve its low thermal drift?

It uses zener-zap trimming of both the output voltage and its temperature coefficient, combined with a unique curvature correction circuit to minimize thermal curvature.

What is the maximum output current capability?

The device can provide up to 20 mA of output current.