1. Products
  2. D/A Converters (DAC)
  3. Digital Potentiometers (DigiPOT)
  4. AD5201


Features and Benefits

  • 10K, 50K Ω End-to-End Terminal Resistance
  • 33 Position AD5201 Wiper Connects Directly to Both End Terminals
  • 3-Wire SPI Compatible Serial Data Input
  • +2.7 V to +5.5 V Single-Supply; ±2.7 V Dual-Supply Operation, Ideal for Ground Referenced AC Signals
  • Power ON Mid-Scale Preset
  • Fully Characterized 
  • (Rheostat, and Potentiometer-Divider Mode DNL, THD, Noise, Bandwidth), No Surprises!
  • Compact micro-SOIC package <1.1 mm Height, Ideal for PCMCIA Cards

Product Details

The AD5200 and AD5201 are programmable resistor devices, with 256 positions and 33 positions respectively, that can be digitally controlled through a 3-wire SPI serial interface. The terms programmable resistor, variable resistor (VR), and RDAC are commonly used interchangeably to refer to digital potentiometers. These devices perform the same electronic adjustment function as a potentiometer or variable resistor. Both AD5200 / AD5201 contain a single variable resistor in the compact MSOP package. Each device contains a fixed wiper resistance at the wiper contact that taps the programmable resistance at a point determined by a digital code. The code is loaded in the serial input register. The resistance between the wiper and either end point of the programmable resistor varies linearly with respect to the digital code transferred into the VR latch. Each 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 or 50 kΩ has a nominal temperature coefficient of 500 ppm/°C. The VR has a VR latch that holds its programmed resistance value. The VR latch is updated from an SPI-compatible serial-to-parallel shift register that is loaded from a standard 3-wire serial-input digital interface. Eight data bits for the AD5200 and six data bits for the AD5201 make up the data word that is clocked into the serial input register. The internal preset forces the wiper to the midscale position by loading 80H and 10H into AD5200 and AD5201 VR latches respectively. The SHDN pin forces the resistor to an end-to-end open-circuit condition on the A terminal and shorts the wiper to the B terminal, achieving a microwatt power shutdown state. When SHDN is returned to logic high, the previous latch setting puts the wiper in the same resistance setting prior to shutdown. The digital interface is still active during shutdown so that code changes can be made that will produce a new wiper position when the device is returned from shutdown.

All parts are guaranteed to operate over the extended industrial temperature range of –40°C to +85°C.


  • 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.

Software & Systems Requirements

Reference Designs (2)

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
AD5201BRMZ10 Material Declaration Reliability Data 10-Lead MSOP
AD5201BRMZ10-REEL7 Material Declaration Reliability Data 10-Lead MSOP
AD5201BRMZ50 Material Declaration Reliability Data 10-Lead MSOP
AD5201BRMZ50-REEL7 Material Declaration Reliability Data 10-Lead MSOP
Wafer Fabrication Data

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