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DS4412
Dual-Channel, I²C Adjustable Sink/Source Current DAC

Inexpensive Power Supply Control Made Easy


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 160kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail


Description
The DS4412 contains two I²C adjustable-current DACs that are each capable of sinking or sourcing current. Each output has 15 sink and 15 source settings that are programmed by I²C interface. The full-scale range and step size of each output is determined by an external resistor that can adjust the output current over a 4:1 range.

The output pins, OUT0 and OUT1, power-up in a high-impedance state.

Key Features   Applications/Uses
  • Two Current DACs
  • Full-Scale Current 500µA to 2mA
  • Full-Scale Range for Each DAC Determined by External Resistors
  • 15 Settings Each for Sink and Source Modes
  • I²C-Compatible Serial Interface
  • Low Cost
  • Small Package (8-Pin µSOP)
  • -40°C to +85°C Temperature Range
  • 2.7V to 5.5V Operation

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

    Key Specifications:  Precision DACs (4-12 Bits)
    Part Number Resolution Bits Channels Output Type Reference INL
    (±LSB)
    Interface Supply Range
    (V)
    Supply Range
    (V)
    Oper. Temp.
    (°C)
    Price
    max min max See Notes
    DS4412  4 2 Current- Buffered Ext. 1 Serial - I2C 2.7 5.5 -40 to +85 $0.51 @1k
    See All Precision DACs (4-12 Bits) (261)

    Diagram
    DS4412: Typical Operating Circuit
    Typical Operating Circuit

    Application Notes
  • Application Note 4149: How to Add Margining Capability to a DC-DC Converter - DS4412
  • Application Note 4197: Using the DS4412 to Margin the Output Voltage of a DC-DC Converter - DS4412

    Reliability Reports
  • Reliability Report: DS4412.pdf

    Software/Models
    none

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    Devices: 1-2 of 2

    DS4412 Free
    Sample
    Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    DS4412U+T&R    
    Active µMAX;8 pin;16.2 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    DS4412U+  
    Active µMAX;8 pin;16.2 mm²
    Outline Drawing: 21-0036 (PDF)
    Land Pattern: 90-0092 (PDF)
    Use pkgcode/variation: U8+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    More Information
  • New Product Press Release 2008-02-20 

    Related Products
    DS4402, DS4404 Two/Four-Channel, I²C Adjustable Current DAC
    DS4305, DS4305K Electronically Programmable Voltage Reference
    DS4303, DS4303K Electronically Programmable Voltage Reference

    More Like This: View Product Families for Similar Products

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    2008-10-28
    This page last modified: 2008-10-28


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