ANALOG DEVICES ADR291W: Low Noise Micropower 2.5 V Precision Voltage Reference Data Sheet (Rev 0 2010-03-22-)

The ADR291W is a low noise, micropower precision voltage reference that uses an XFET® reference circuit. The XFET architecture offers significant performance improvements over traditional band gap and buried Zener-based references. Improvements include one quarter of the current noise, higher output current, and higher temperature stability. The ADR291W is an ideal choice for automotive applications because of its wide supply range, low noise, and high output current.


ANALOG DEVICES ADR291W: Low Noise Micropower 2.5 V Precision Voltage Reference Data Sheet (Rev 0 2010-03-22-) - cover page
Brand
Analog Devices
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
8
File format
PDF
File size
125 KB
Published
03 August, 2012
Updated
30 September, 2023
MD5 checksum
CC49CA4C6E0191C24F89A4AFF5E34C3D

About this manual

The ADR291W is a low noise, micropower precision voltage reference that utilizes an XFET® reference circuit. It provides a stable 2.5V output voltage from supply voltages as low as 2.8V, making it ideal for battery-powered instrumentation. The device offers significant performance improvements over traditional band gap and buried Zener-based references, including very low voltage noise and ultralinear temperature drift.

What's inside

  • Features
  • Applications
  • Connection Diagram
  • General Description
  • Electrical Specifications
  • Absolute Maximum Ratings
  • Pin Configuration
  • Terminology
  • Outline Dimensions
  • Ordering Guide

Specifications

Output Voltage2.5 V
Supply Range2.8 V to 15 V
Quiescent Current12 μA
Noise Voltage8 μV
Temperature Range-40°C to +125°C
Output Accuracy±8.3 mV
Temperature Coefficient15 ppm/°C
Package Type8-Lead SOIC_N

Frequently asked questions

What is the output voltage of the ADR291W?

The output voltage is 2.5 V.

What is the minimum supply voltage required?

The device operates from supplies as low as 2.8 V.

Is the ADR291W qualified for automotive applications?

Yes, it is qualified for automotive applications with a temperature range of -40°C to +125°C.

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