ADR4530BRZ

Overview

The ADR4530BRZ is a precision series voltage reference providing a fixed 3.000 V output in an 8-lead SOIC package. It features a maximum initial output voltage error of ±0.02% and a temperature coefficient of 2 ppm/°C over the −40°C to +125°C range. The device operates with a supply voltage between 3.1 V and 15 V, drawing a maximum quiescent current of 950 μA. It supports ±10 mA output current capacity and exhibits low dropout characteristics.

Feature Summary

• Ultra-low noise performance with typical 1.6 μV p-p output noise from 0.1 Hz to 10 Hz
• High accuracy with ±0.02% maximum initial output voltage error for B grade
• Low thermal hysteresis and long-term drift for improved system stability
• Capable of sourcing and sinking load currents up to 10 mA

Applications

• Precision data acquisition systems
• High resolution data converters
• Industrial instrumentation
• Medical devices

Procurement Notes

Verify the specific grade suffix against the ordering guide to confirm the temperature range and accuracy class. Ensure the input voltage remains within the specified 3.1 V to 15 V limits during operation. Confirm that the PCB layout adheres to the recommended thermal dissipation guidelines for the SOIC package to maintain reliability.

Selection Notes

Select this component when a stable 3.0 V reference is required for high-precision analog circuits. The B grade offers extended industrial temperature coverage compared to lower grades. Consider the low quiescent current for battery-powered applications and verify that the load capacitance requirements fit within the specified operational range.

Part Context

This part belongs to the ADR45xx family of ultralow noise, high accuracy voltage references manufactured by Analog Devices. The family utilizes an innovative core topology to achieve industry-leading temperature stability and noise performance across various fixed output voltages.

Replacement Considerations

ADR4530ARZ