ADR4540BRZ

Overview

The ADR4540BRZ is a high-precision, low-power voltage reference from Analog Devices featuring an output voltage of 4.096 V. It provides a maximum initial accuracy of ±0.02% and operates over an extended temperature range of −40°C to +125°C with a temperature coefficient of 2 ppm/°C. The device supports up to 10 mA sourcing current and maintains a maximum quiescent current of 950 μA. It utilizes an 8-lead SOIC package and accepts input voltages between 3 V and 15 V.

Feature Summary

• Ultra-low noise performance for precision signal integrity
• High initial accuracy with minimal long-term drift
• Low dropout voltage capability for portable applications

Applications

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

Procurement Notes

Verify the specific grade suffix (B) against project requirements to ensure compliance with the specified temperature range and accuracy limits. Confirm that the SOIC-8 package aligns with the PCB footprint design. Check for RoHS compliance status before finalizing procurement orders.

Selection Notes

Select this component when a stable 4.096 V reference is required in space-constrained designs. The low power consumption makes it suitable for battery-operated equipment. Ensure the input voltage remains within the specified operating range to maintain regulation.

Part Context

This part belongs to the ADR4540 series of ultralow noise voltage references. It shares core topology features with other members like the ADR4520 and ADR4550 but is optimized specifically for the 4.096 V output level. The B grade designation indicates its suitability for industrial environments requiring wide temperature stability.

Replacement Considerations

ADR4540ARZ-R7