ADR5040BRTZ-R2

Overview

The ADR5040BRTZ-R2 is a precision micropower shunt mode voltage reference manufactured by Analog Devices Inc. It provides a nominal output voltage of 2.048 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 optimized for space-constrained environments
• High precision performance with ±0.1% initial accuracy and low temperature drift
• Wide operating current range supporting both micro-power and higher load conditions
• Stable operation with any capacitive load without requiring external compensation

Applications

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

Procurement Notes

Verify the specific ordering suffix R2 against the manufacturer's official documentation to confirm packaging details such as reel quantity or tape specifications. Ensure compatibility with the required SOT-23-3 footprint and check for RoHS compliance status. Confirm that the component meets the necessary automotive or industrial qualification standards if applicable to the target system environment.

Selection Notes

Select this component when a high-accuracy 2.048 V reference is required in a minimal footprint. The B-grade specification ensures tighter tolerance compared to A-grade variants. Consider the wide input current capability for designs where load currents vary significantly. Verify thermal resistance requirements for the specific PCB layout to ensure reliable operation within the specified temperature range.

Part Context

This part belongs to the ADR504x family of precision micropower shunt voltage references, which includes models with various output voltages such as 2.5 V, 3.0 V, 4.096 V, and 5.0 V. The family shares common features like pin compatibility and similar package options, including SC-70 and SOT-23 configurations. The ADR5040 specifically targets applications needing a stable 2.048 V reference derived from silicon bandgap technology.

FAQ

Does the ADR5040BRTZ-R2 require an external capacitor for stability?

No, the device is designed to operate stably without an external capacitor between the positive and negative terminals, though it remains 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.