Two/Four-Channel, I²C Adjustable Current DAC

Two and Four I²C Adjustable Current Sources Capable of Sinking or Sourcing Current

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The DS4402 and DS4404 contain two and four I²C adjustable current DACs, respectively, that are each capable of sinking or sourcing current. Each output has 31 sink and 31 source settings that are programmed by the I²C interface. External resistors set the full-scale range and step size of each output.
DS4402, DS4404: Typical Operating Circuit DS4402, DS4404: Typical Operating Circuit Enlarge+

Key Features

  • Two (DS4402) or Four (DS4404) Current DACs
  • Full-Scale Range for Each DAC Determined by External Resistors
  • 31 Settings Each for Sink and Source Modes
  • I²C-Compatible Serial Interface
  • Two Three-Level Address Pins Allow Nine Devices on Same I²C Bus
  • Small Package (14-Pin TDFN)
  • -40°C to +85°C Temperature Range
  • 2.7V to 5.5V Operation


  • Adjustable Current Sink or Source
  • Power-Supply Adjustment
  • Power-Supply Margining

Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

DS4404K: Evaluation Kit for the DS4402 and DS4404
Product Reliability Reports: DS4402.pdf 
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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Related Resources

Type ID Title
Evaluation Board8563DS4404K Evaluation Kit for the DS4402 and DS4404