ADR4540BRZ-R7

Overview

The ADR4540BRZ-R7 is a high-precision, low-power voltage reference from Analog Devices featuring an output voltage of 4.096 V and a maximum initial accuracy of ±0.02%. It operates over an extended temperature range of −40°C to +125°C with a maximum temperature coefficient of 2 ppm/°C. The device supports a maximum input voltage of 15 V and provides up to 10 mA sourcing current while consuming a maximum quiescent current of 950 μA.

Feature Summary

• Ultra-low noise performance for signal integrity
• High accuracy with minimal initial error
• Extended industrial temperature stability

Applications

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

Procurement Notes

Verify the specific suffix R7 indicates reel packaging when ordering. Confirm that the B grade designation matches the required -40°C to +125°C operating range. Ensure the SOIC-8 package type aligns with PCB layout constraints. Cross-reference the manufacturer part number against official distributor catalogs to confirm authenticity.

Selection Notes

Select this component for applications requiring stable reference voltages in harsh environments. The low dropout voltage allows operation with limited supply headroom. Consider the thermal resistance characteristics during PCB design to maintain specified performance levels under varying load conditions.

Part Context

This device belongs to the ADR45xx series of ultralow noise voltage references. It utilizes an innovative core topology to achieve industry-leading temperature stability and noise performance. The family includes various output voltages and grades, all designed for high precision measurement and portable equipment applications.

Replacement Considerations

ADR4540ARZ-R7

FAQ

What is the maximum input voltage for this device?

The maximum input voltage is 15 V.

Does this part support sinking current?

Yes, it supports up to 10 mA of sinking current.