ADR391
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ADR391

2.5V Micropower, Low Noise Precision Voltage Reference with Shutdown

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Info: : PRODUCTION tooltip
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Part Details
Part Models 3
1ku List Price Starting From $1.08
Features
  • Compact 5-lead TSOT package
  • Low temperature coefficient
    • B grade: 9 ppm/°C
    • A grade: 25 ppm/°C
  • Initial accuracy
    • B grade: ±4 mV maximum (ADR391)
    • A grade: ±6 mV maximum
  • Ultralow output noise: 5 μV p-p (0.1 Hz to 10 Hz)
  • Low dropout: 300 mV
  • Low supply current
    • 3 μA maximum in shutdown
    • 140 μA maximum in operation
  • No external capacitor required
  • Output current: 5 mA
  • Automotive grade available
  • Wide temperature range: −40°C to +125°C
Additional Details
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The ADR391/ADR392/ADR395 are precision 2.5 V, 4.096 V, and 5 V band gap voltage references, respectively, featuring low power and high precision in a tiny footprint. Using patented temperature drift curvature correction techniques from Analog Devices, Inc., the ADR39x references achieve a low 9 ppm/°C of temperature drift in the TSOT package.

The ADR39x family of micropower, low dropout voltage references provides a stable output voltage from a minimum supply of 300 mV above the output. Their advanced design eliminates the need for external capacitors, which further reduces board space and system cost. The combination of low power operation, small size, and ease of use makes the ADR39x precision voltage references ideally suited for battery-operated applications.

Applications

  • Battery-powered instrumentation
  • Portable medical instrumentation
  • Data acquisition systems
  • Industrial process controls
  • Automotive
Part Models 3
1ku List Price Starting From $1.08

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
ADR391AUJZ-R2
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ADR391AUJZ-REEL7
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ADR391BUJZ-REEL7
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Product Lifecycle

PCN

Sep 7, 2017

- 17_0079

Qualification of TeamQuest Technology Inc., Philippines as an Alternate Test Site for TC-Vos Testing

ADR391AUJZ-R2

PRODUCTION

ADR391BUJZ-REEL7

PRODUCTION

Jan 26, 2010

- 10_0007

Halogen Free Material Change for TSOT Products

ADR391AUJZ-REEL7

PRODUCTION

ADR391BUJZ-REEL7

PRODUCTION

Filter by Model

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Part Models

Product Lifecycle

PCN

Sep 7, 2017

- 17_0079

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Qualification of TeamQuest Technology Inc., Philippines as an Alternate Test Site for TC-Vos Testing

ADR391AUJZ-R2

PRODUCTION

ADR391BUJZ-REEL7

PRODUCTION

Jan 26, 2010

- 10_0007

arrow down

Halogen Free Material Change for TSOT Products

ADR391AUJZ-REEL7

PRODUCTION

ADR391BUJZ-REEL7

PRODUCTION

Software & Part Ecosystem

Software & Part Ecosystem

Reference Designs

Reference Designs 1

Galvanically Isolated, 2-Channel, Simultaneous Sampling, 16-Bit Analog-to-Digital Conversion System with Daisy Chain

Galvanically Isolated, 2-Channel, 16-Bit, Simultaneous Sampling, Daisy-Chained Data Acquisition System

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CN0194

Galvanically Isolated, 2-Channel, 16-Bit, Simultaneous Sampling, Daisy-Chained Data Acquisition System

CN0194

Circuits from the lab

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Galvanically Isolated, 2-Channel, 16-Bit, Simultaneous Sampling, Daisy-Chained Data Acquisition System

Features and Benefits

  • Simultaneous sampling
  • Isolated high speed analog to digital conversion
  • Level shift and attenuates +/- 10 V industrial signal
View Detailed Reference Design external link

Design & Integration Tools

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