Analog Devices Inc. ADuM4122 Isolated Gate Drivers

Analog Devices ADuM4122 Isolated Gate Drivers are single-device, dual-output drivers with iCoupler® technology to provide precision isolation. The ADuM4122 provides 5kVrms isolation in a wide-body, 8-lead SOIC package. These isolation components combine a high speed complementary metal-oxide semiconductor (CMOS) and monolithic transformer technology. This provides performance characteristics superior to alternatives (like a combination of pulse transformers and gate drivers).


  • 2A output current per output pin (<3Ω RDSON_X)
  • 3A peak short-circuit current
  • 3.3V to 6.5V, VDD1
  • 4.5V to 35V, VDD2
  • Positive going threshold, UVLO at 3.3V VDD1
  • Multiple positive going thresholds, UVLO options on VDD2
    • Grade A: 4.4V (typical) positive going threshold, UVLO
    • Grade B: 7.3V (typical) positive going threshold, UVLO
    • Grade C: 11.3V (typical) positive going threshold, UVLO
  • Precise timing characteristics
  • 48ns maximum propagation delay for falling edge
  • CMOS input logic levels
  • High common-mode transient immunity: >150kV/µs
  • High junction temperature operation: 125°C
  • Default low output
  • Selectable slew rate control
  • Safety and regulatory approvals (pending)
    • UL recognition per UL 1577
      • 5kVrms for 1 minute
    • CSA Component Acceptance Notice 5A
    • VDE certificate of conformity (pending)
      • DIN V VDE V 0884-10
      • VIORM = 849V peak
  • Wide-body, 8-lead SOIC_IC


  • Switching power supplies
  • Isolated IGBT and MOSFET gate drivers
  • Industrial inverters

Block Diagram

Block Diagram - Analog Devices Inc. ADuM4122 Isolated Gate Drivers


Publicado: 2019-05-08 | Actualizado: 2023-08-14