1. Products
  2. D/A Converters (DAC)
  3. Digital Potentiometers (DigiPOT)
  4. AD5222

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Overview

Features and Benefits

  • 128 Position
  • Potentiometer Replacement
  • 10K, 50K, 100K, 1M Ohm
  • Very Low Power - 40 µA Max
  • Increment/Decrement Count Control
  • +3 to +5V Single-Supply; 
  • Or ±2.7V Dual-Supply Operation
  • Internal Power ON Mid-Scale Preset

Product Details

The AD5222 contains two, 128-position, digitally-controlled variable resistors (VR). This part performs the same electronic adjustment function as a potentiometer, trimmer, or variable resistor. . The fixed A-to-B terminal resistance of 10 K, 50 K, 100 K, or 1 M Ohm has a 1% channel-to-channel matching tolerance with a nominal temperature coefficient of -300 ppm/°C. These products were optimized for portable instrument and test equipment "push button" applications.

The chip select CS, count CLK and U/D direction control inputs set the variable resistor position. A MODE control determines whether both VRs are incremented together or independently. With MODE at logic zero, both wipers are incremented UP or DOWN without changing the relative settings between the wipers. The relative ratio between the wipers is preserved if either wiper reaches the end of the resistor array. In the independent MODE (logic one) only the VR determined by the DACSEL pin is changed. This simple "push button" controlled interface eliminates the need for Micro Controllers in front panel interface designs.

The AD5222 is available in the surface mount (SO-14) package. For ultra compact solutions selected models are available in the thin TSSOP-14 package. All parts are guaranteed to operate over the extended industrial temperature range of -40°C to +85°C. For 3-wire, SPI compatible interface applications, see the AD5203 / AD5206 / AD7376 / AD8400 / AD8402 / AD8403 products.

APPLICATIONS

  • Stereo Channel Audio Level Control
  • Mechanical Potentiometer Replacement
  • Remote Incremental Adjustment Applications
  • Instrumentation: Gain, Offset Adjustment
  • Programmable Voltage-to-Current Conversion
  • Line Impedance Matching

Product Categories

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At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (1)

Documentation & Resources

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  • Data Sheets (1)
  • Application Notes (3)
  • User Guides (1)
  • Frequently Asked Questions (1)
  • Product Selection Guide (1)
  • Webcasts (2)
    • Document Type
    Frequently Asked Questions

    Design Resources

    ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.

    Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
    AD5222BRUZ10 Material Declaration Reliability Data 14-Lead TSSOP
    AD5222BRUZ10-REEL7 Material Declaration Reliability Data 14-Lead TSSOP
    AD5222BRZ10 Material Declaration Reliability Data 14-Lead SOIC
    AD5222BRZ10-REEL7 Material Declaration Reliability Data 14-Lead SOIC
    Wafer Fabrication Data

    PCN-PDN Information

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    Select Model for PCN Information
    • AD5222BRUZ10 Production
    • AD5222BRUZ10-REEL7 Production
    • AD5222BRZ10 Production
    • AD5222BRZ10-REEL7 Production

    Support & Discussions

    AD5222 Discussions

    RE: It is possible to use digiPOT in series ?
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    AD5222 Contact ADI Technical Support »
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    AD5222 Contact ADI Technical Support » AD5222 Ask your question »

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    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.

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