1. Products
  2. D/A Converters (DAC)
  3. Digital Potentiometers (DigiPOT)
  4. AD5206


Features and Benefits

  • 256 positions
  • Multiple independently programmable channels
    • AD5204—4-channel
    • AD5206—6-channel
  • Potentiometer replacement
  • Terminal resistance of 10 kΩ, 50 kΩ, 100 kΩ
  • 3-wire SPI-compatible serial data input
  • +2.7 V to +5.5 V single-supply operation; ±2.7 V dual-supply operation
  • Power-on midscale preset

Product Details

The AD5204/AD5206 provide 4-/6-channel, 256-position digitally controlled variable resistor (VR) devices. These devices perform the same electronic adjustment function as a potentiometer or variable resistor. Each channel of the AD5204/AD5206 contains a fixed resistor with a wiper contact that taps the fixed resistor value at a point determined by a digital code loaded into the SPI-compatible serial-input register. The resistance between the wiper and either endpoint of the fixed resistor varies linearly with respect to the digital code transferred into the VR latch. The variable resistor offers a completely programmable value of resistance between the A terminal and the wiper or the B terminal and the wiper. The fixed A-to-B terminal resistance of 10 kΩ, 50 kΩ, or 100 kΩ has a nominal temperature coefficient of 700 ppm/°C.

Each VR has its own VR latch that holds its programmed resistance value. These VR latches are updated from an internal serial-to-parallel shift register that is loaded from a standard 3-wire serial-input digital interface. Eleven data bits make up the data-word clocked into the serial input register. The first three bits are decoded to determine which VR latch is loaded with the last eight bits of the data-word when the CS strobe is returned to logic high. A serial data output pin at the opposite end of the serial register (AD5204 only) allows simple daisy chaining in multiple VR applications without requiring additional external decoding logic.

An optional reset (PR) pin forces all the AD5204 wipers to the midscale position by loading 0x80 into the VR latch.

The AD5204/AD5206 are available in the 24-lead surface-mount SOIC and TSSOP packages. The AD5204 is also available in a 32-lead, 5 mm × 5 mm LFCSP package. All parts are guaranteed to operate over the extended industrial temperature range of −40°C to +85°C. For additional single-, dual-, and quad-channel devices, see the AD8400/AD8402/AD8403 data sheets.


  • Mechanical potentiometer replacement
  • Instrumentation: gain, offset adjustment
  • Programmable voltage-to-current conversion
  • Programmable filters, delays, time constants
  • Line impedance matching

Product Lifecycle icon-recommended Production

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.

Documentation & Resources

  • View All (13)
  • 3rd Party Solutions (1)
  • Data Sheets (1)
  • Application Notes (3)
  • Frequently Asked Questions (1)
  • Product Selection Guide (1)
  • StudentZone Articles (4)
  • Webcasts (2)
  • Software & Systems Requirements

    Tools & Simulations

    IBIS Models

    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
    AD5206BRUZ10 Material Declaration Reliability Data 24-Lead TSSOP
    AD5206BRUZ10-RL7 Material Declaration Reliability Data 24-Lead TSSOP
    AD5206BRUZ100-RL7 Material Declaration Reliability Data 24-Lead TSSOP
    AD5206BRUZ50 Material Declaration Reliability Data 24-Lead TSSOP
    AD5206BRUZ50-REEL7 Material Declaration Reliability Data 24-Lead TSSOP
    AD5206BRZ10 Material Declaration Reliability Data 24-Lead SOIC (Wide)
    AD5206BRZ10-REEL Material Declaration Reliability Data 24-Lead SOIC (Wide)
    AD5206BRZ100 Material Declaration Reliability Data 24-Lead SOIC (Wide)
    AD5206BRZ50 Material Declaration Reliability Data 24-Lead SOIC (Wide)
    Wafer Fabrication Data

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