ADR5041BRTZ-REEL7

Overview

The ADR5041BRTZ-REEL7 is a precision micropower shunt mode voltage reference manufactured by Analog Devices Inc. It provides a fixed output voltage of 2.5 V with an initial accuracy of ±0.1% and a maximum temperature coefficient of 75 ppm/°C. The device operates within a wide current range from 50 µA to 15 mA and functions across an extended temperature range of −40°C to +125°C. It is housed in an ultracompact SOT-23-3 surface-mount package, designed for space-critical applications without requiring external compensation capacitors.

Feature Summary

• Ultracompact SOT-23-3 package design suitable for space-constrained PCB layouts
• High precision performance with ±0.1% initial accuracy and low temperature drift
• Wide operating current range supporting both micropower and higher load conditions
• Stable operation with any capacitive load, eliminating the need for external compensation

Applications

• Portable and battery-powered equipment
• Automotive electronics systems
• Precision data acquisition systems
• Instrumentation and process control circuits
• Energy management applications

Procurement Notes

Verify that the specific part number matches the required B grade specifications for accuracy and temperature coefficient. Confirm the SOT-23-3 package type aligns with the target footprint. Ensure the component meets RoHS compliance requirements for the intended market. Check automotive qualification status if the application requires AEC-Q100 standards or similar reliability protocols.

Selection Notes

Select this component when high precision is required in a minimal footprint. The B grade offers superior accuracy compared to the A grade variant. Consider the wide operating current range for flexible biasing resistor calculations. Verify thermal resistance characteristics for the specific board layout to ensure junction temperatures remain within safe limits during operation.

Part Context

This device belongs to the ADR504x family of precision shunt voltage references. It shares pin compatibility with LM4040/LM4050 devices, facilitating direct replacements in existing designs. The family includes variants with different output voltages and accuracy grades, all utilizing band gap technology for stable reference generation.

Replacement Considerations

ADR5041ARTZ-REEL7 (A Grade, 100 ppm/°C)

FAQ

Does the ADR5041BRTZ-REEL7 require an external capacitor for stability?

No, the device is designed to operate without an external capacitor between the positive and negative terminals while remaining stable with any capacitive load.

What is the minimum operating current for this reference?

The minimum operating current is 50 µA at 25°C and increases to 60 µA across the extended temperature range of −40°C to +125°C.