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AD8223:  Single-Supply, Low Cost Instrumentation Amplifier

Product Details

Product Status:Recommended for New Designs

The AD8223 is an integrated single-supply instrumentation amplifier that delivers rail-to-rail output swing on a single supply (3 V to 24 V). The AD8223 conforms to the 8-lead industry standard pinout configuration

The AD8223 is simple to use: one resistor sets the gain. With no external resistor, the AD8223 is configured for G = 5 and with an external resistor, the AD8223 can be programmed for gains up to 1000.

The AD8223 has a wide input common-mode range and can amplify signals that have a 150 mV common-mode voltage below ground. Although the design of the AD8223 is optimized to operate from a single supply, the AD8223 still provides excellent performance when operated from a dual voltage supply (±2 V to ±12 V).

Low power consumption (1.5 mW at 3 V), wide supply voltage range, and rail-to-rail output swing make the AD8223 ideal for battery-powered applications. The rail-to-rail output stage maximizes the dynamic range when operating from low supply voltages. The AD8223 replaces discrete instrumentation amplifier designs and offers superior linearity, temperature stability, and reliability in a minimum of space.

Applications

  • Low power medical instrumentation
  • Transducer interface
  • Thermocouple amplifiers
  • Industrial process controls
  • Difference amplifiers
  • Low power data acquisition
  • FEATURES and BENEFITS

    • Gain set with 1 resistor per amplifier
      Gain = 5 to 1000
    • Inputs
      Voltage range to 150 mV below negative rail
      25 nA maximum input bias current
      30 nV/√Hz, RTI noise @ 1 kHz
    • Power supplies
      Dual supply: ±2V to ±12
      Single supply: 3V to 24V
      500 μA maximum supply current

    Functional Block Diagram for AD8223

    Documentation

    Title Content Type File Type
    AD8223: Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier Data Sheet (Rev 0, 11/2008) (pdf, 737 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
    High-performance Adder Uses Instrumentation Amplifiers
    Make an adder circuit using instrumentation amplifiers to increase input impedance.
    (EDN, 9/3/2009)
    Technical Articles HTML
    RAQs index Rarely Asked Questions HTML
    Glossary of EE Terms Glossary 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

    AD8223 Model Options
    Model Package Pins Temp.
    Range
    Packing,
    Qty
    Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
    Purchase/Sample
    AD8223AR Status: Production 8 ld SOIC 8 Ind Tube, 98 $1.46 $1.23 N  Material Info PCN Purchase
    AD8223AR-R7 Status: Production 8 ld SOIC 8 Ind Reel, 1000 - $1.23 N  Material Info PCN Purchase
    AD8223AR-RL Status: Production 8 ld SOIC 8 Ind Reel, 2500 - $1.23 N  Material Info PCN Purchase
    AD8223ARM Status: Production 8 ld MSOP 8 Ind Tube, 50 $1.60 $1.33 N  Material Info PCN Purchase
    AD8223ARM-R7 Status: Production 8 ld MSOP 8 Ind Reel, 1000 - $1.33 N  Material Info PCN Purchase
    AD8223ARM-RL Status: Production 8 ld MSOP 8 Ind Reel, 3000 - $1.33 N  Material Info PCN Purchase
    AD8223ARMZ Status: Production 8 ld MSOP 8 Ind Tube, 50 $1.37 $1.15 Y  Material Info PCN Purchase Sample
    AD8223ARMZ-R7 Status: Production 8 ld MSOP 8 Ind Reel, 1000 - $1.15 Y  Material Info PCN Purchase
    AD8223ARMZ-RL Status: Production 8 ld MSOP 8 Ind Reel, 3000 - $1.15 Y  Material Info PCN Purchase
    AD8223ARZ Status: Production 8 ld SOIC 8 Ind Tube, 98 $1.25 $1.05 Y  Material Info PCN Purchase Sample
    AD8223ARZ-R7 Status: Production 8 ld SOIC 8 Ind Reel, 1000 - $1.05 Y  Material Info PCN Purchase
    AD8223ARZ-RL Status: Production 8 ld SOIC 8 Ind Reel, 2500 - $1.05 Y  Material Info PCN Purchase
    AD8223BR Status: Production 8 ld SOIC 8 Ind Tube, 98 $1.94 $1.63 N  Material Info PCN/PDN Purchase
    AD8223BR-R7 Status: Production 8 ld SOIC 8 Ind Reel, 1000 - $1.63 N  Material Info PCN/PDN Purchase
    AD8223BR-RL Status: Production 8 ld SOIC 8 Ind Reel, 2500 - $1.63 N  Material Info PCN Purchase
    AD8223BRM Status: Production 8 ld MSOP 8 Ind Tube, 50 $2.08 $1.74 N  Material Info PCN Purchase
    AD8223BRM-R7 Status: Production 8 ld MSOP 8 Ind Reel, 1000 - $1.74 N  Material Info PCN Purchase
    AD8223BRM-RL Status: Production 8 ld MSOP 8 Ind Reel, 3000 - $1.74 N  Material Info PCN Purchase
    AD8223BRMZ Status: Production 8 ld MSOP 8 Ind Tube, 50 $1.79 $1.50 Y  Material Info PCN Purchase Sample
    AD8223BRMZ-R7 Status: Production 8 ld MSOP 8 Ind Reel, 1000 - $1.50 Y  Material Info PCN Purchase
    AD8223BRMZ-RL Status: Production 8 ld MSOP 8 Ind Reel, 3000 - $1.50 Y  Material Info PCN Purchase
    AD8223BRZ Status: Production 8 ld SOIC 8 Ind Tube, 98 $1.67 $1.40 Y  Material Info PCN Purchase Sample
    AD8223BRZ-R7 Status: Production 8 ld SOIC 8 Ind Reel, 1000 - $1.40 Y  Material Info PCN Purchase
    AD8223BRZ-RL Status: Production 8 ld SOIC 8 Ind Reel, 2500 - $1.40 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

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