Features and Benefits

  • 4 A peak output current
  • Precise timing characteristics
    • 60 ns maximum isolator and driver propagation delay
    • 5 ns maximum channel-to-channel matching
  • High junction temperature operation: 125°C
  • 3.3 V to 5 V input logic
  • 7.6 V to 18 V output drive
  • Undervoltage lockout (UVLO) at 7.0 V VDD2
  • Automotive versions qualified per AEC-Q100
  • See data sheet for additional features
    ADuM3221-EP supports defense and aerospace applications (AQEC standard)
    • Download ADuM3221-EP data sheet (pdf)
    • Military temperature range: −55°C to +125°C
    • Controlled manufacturing baseline
    • 1 assembly/test site
    • 1 fabrication site
    • Enhanced product change notification
    • Qualification data available on request
    • V62/16622 DSCC Drawing Number

Product Details

The ADuM3220/ADuM32211 are isolated, 4 A dual-channel gate drivers based on the Analog Devices, Inc., iCoupler® technology. Combining high speed CMOS and monolithic transformer technology, these isolation components provide outstanding performance characteristics superior to the alternatives, such as the combination of pulse transformers and gate drivers.

The ADuM3220/ADuM3221 provide digital isolation in two independent isolation channels. They have a maximum propagation delay of 60 ns and 5 ns channel-to-channel matching. In comparison to gate drivers that employ high voltage level translation methodologies, the ADuM3220/ADuM3221 offer the benefit of true, galvanic isolation between the input and each output, enabling voltage translation across the isolation barrier. The ADuM3220 has shoot-through protection logic, which prevents both outputs from being on at the same time, whereas the ADuM3221 allows both outputs to be on at the same time. Both parts offer a default output low characteristic as required for gate drive applications.

The ADuM3220/ADuM3221 operate with an input supply voltage ranging from 3.0 V to 5.5 V, providing compatibility with lower voltage systems. The outputs of the ADuM3220A/ADuM3221A can be operated at supply voltages from 4.5 V to 18 V. The outputs of the ADuM3220B/ADuM3221B can be operated at supply voltages from 7.6 V to 18 V.

The junction temperature of the ADuM3220/ADuM3221 is specified from −40°C to +125°C.


  • Isolated synchronous dc-to-dc converters
  • MOSFET/IGBT gate drivers

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.

Evaluation Kits (1)

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.

PCN-PDN Information

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Evaluation Boards

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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.