DS4402

PRODUCTION

Two/Four-Channel, I²C Adjustable Current DAC

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

Data Sheet (Rev. 3) Product Selection Table
Part Models
2
1ku List Price
Starting From $0.87
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Part Details

  • 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
DS4402
Two/Four-Channel, I²C Adjustable Current DAC
DS4402, DS4404: Typical Operating Circuit
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 2

Technical Articles 2

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Tools & Simulations

Software Development 1

IBIS Model 1

Evaluation Kits

eval board
schematic 1
DS4404K

Evaluation Kit for the DS4402 and DS4404

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Features and Benefits

  • Easy Evaluation of the DS4404
  • EV Kit Hardware is USB Powered
  • USB HID Interface
  • Windows XP®- and Windows® 7-Compatible Software
  • RoHS Compliant
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The DS4404 and DS4402 contain two or four I2C-programmable current DACs that are each capable of sinking and sourcing current.

The DS4404 evaluation kit (EV kit) provides the hardware and software graphical user interface (GUI) necessary to evaluate the DS4404 4-channel, 5-bit sink/source current DAC. The DS4402 has the same performance as the DS4404, except with only two channels. The DS4404 EV kit software is the same as the DS4424 EV kit software.

The EV kit includes a DS4404 installed, as well as two populated full-scale calibration resistors (R3 and R4) and two unpopulated resistors (R5 and R6). This allows the device to be evaluated without any board rework on two channels, but enables a custom-defined value to be populated on the two open channels. The EV kit also has the USB-to-I2C interface required to communicate to the device.

Applications

  • Adjustable Current Sink or Source
  • Power-Supply Adjustment
  • Power-Supply Margining
DS4404K
Evaluation Kit for the DS4402 and DS4404
DS4404 EV Kit Photo

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