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AD8236:  40 µA Micropower Instrumentation Amplifier

Product Details

Product Status:Recommended for New Designs

The AD8236 is the lowest power instrumentation amplifier in the industry. It has rail-to-rail outputs and can operate on voltages as low as 1.8 V. Its 40 μA maximum supply current makes it an excellent choice in battery-powered applications.

The AD8236’s high input impedance, low input bias current of 1 pA, high CMRR of 110 dB (G = 100), small size, and low power offer tremendous value. It has a wider common-mode voltage range than typical three-op-amp instrumentation amplifiers, making this a great solution for applications that operate on a single 1.8 V or 3 V supply. An innovative input stage allows for a wide rail-to-rail input voltage range without the crossover distortion common in other designs.

The AD8236 is available in an 8-lead MSOP and is specified over the industrial temperature range of −40°C to +125°C

Applications

  • Medical instrumentation
  • Low-side current sense
  • Portable devices
  • FEATURES and BENEFITS

    • Low power: 40 μA supply current (maximum)
    • Low input currents
      1 pA input bias current
      0.5 pA input offset current
    • High CMRR: 110 dB CMRR, G = 100
    • Space-saving MSOP
    • Zero input crossover distortion
    • Rail-to-rail input and output
    • Gain set with single resistor
    • Operates from 1.8 V to 5.5 V

    AD8236 Functional Block Diagram

    Documentation

    Title Content Type File Type
    AD8236: 40 μA Micropower Instrumentation Amplifier with Zero Crossover Distortion Data Sheet (Rev 0, 05/2009) (pdf, 167 kB) Data Sheets PDF
    A Designer's Guide to Instrumentation Amplifiers (3rd Edition) Design Handbooks HTML
    UG-261: Evaluation Boards for the AD62x, AD822x and AD842x Series  (pdf, 604 kB) User Guides PDF
    Micropower ICs Take the Heartburn Out of Heart Rate Monitor Designs, MS-2289  (pdf, 672 kB) Technical Articles PDF
    MS-2178: Discussion Between CareFusion and Analog Devices: Optimizing Performance and Lowering Power in an EEG Amplifer  (pdf, 147 kB) Technical Articles PDF
    High-performance Adder Uses Instrumentation Amplifiers
    Make an adder circuit using instrumentation amplifiers to increase input impedance.
    (EDN, 9/3/2009)
    Technical Articles HTML
    Low Power Amplifiers Overview HTML
    Healthcare ICs
    Healthcare ICs Solutions Bulletin, Volume 11, Issue 2
    Solutions Bulletins HTML
    RAQs index Rarely Asked Questions HTML
    Glossary of EE Terms Glossary HTML

    Design Tools,Models,Drivers & Software

    Title Content Type File Type
    AD8236 SPICE Macro Model SPICE Models HTML

    Evaluation Kits & Symbols & Footprints

    Evaluation Boards & KitsView the Evaluation Boards and Kits page for documentation and purchasing

    Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

    SampleSample & Buy

    Price, packaging, availability

    AD8236 Model Options
    Model Package Pins Temp.
    Range
    Packing,
    Qty
    Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
    Purchase/Sample
    AD8236ARMZ Status: Production 8 ld MSOP 8 Ind Tube, 50 $1.24 $0.99 Y  Material Info PCN Purchase Sample
    AD8236ARMZ-R7 Status: Production 8 ld MSOP 8 Ind Reel, 1000 $1.24 $0.99 Y  Material Info PCN Purchase
    AD8236ARMZ-RL Status: Production 8 ld MSOP 8 Ind Reel, 3000 $1.24 $0.99 Y  Material Info PCN Purchase
    Price Table Help

    The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

    AD62x, AD822x, AD842x Series InAmp Evaluation Board
    Model Description Price RoHS View PCN/ PDN Check Inventory/
    Purchase/Sample
    EVAL-INAMP-62RZ Status: Production AD620/621/AD622/623/627/AD8223 SOIC Eval Board $40.23 Yes -
    EVAL-INAMP-ICF-RMZ Status: Production AD8420/AD8237 MSOP Eval Board $34.58 Yes -
    EVAL-INAMP-82RMZ Status: Production AD8220/8221/8226/8227/8228/8236/8421/8422 MSOP Eval Board $34.49 Yes -
    EVAL-INAMP-82RZ Status: Production AD8221/8226/8227/8228/8229/8421/8422/8428/8429 SOIC Eval Board $34.49 Yes -

    Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.

    Check Inventory & Purchase

    View Sales and Distribution Offices

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