Difference between revisions of "Digital Potentiometers"

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{{mergefrom|Digitally Programmable Potentiometers}}
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The digital Potentiometers made by analog devices (AD5204) has 255 positions can be adjusted by the microcomputer that can receive commands from the computer. This is a great way for analog circuitry to have digital control. This is a chip with 4 digitally controlled POTs and the pots can be daisy chained to have multiple chips controled by a single SPI interface.
 
The digital Potentiometers made by analog devices (AD5204) has 255 positions can be adjusted by the microcomputer that can receive commands from the computer. This is a great way for analog circuitry to have digital control. This is a chip with 4 digitally controlled POTs and the pots can be daisy chained to have multiple chips controled by a single SPI interface.
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Availability:
 
Availability:
 
* Free samples: http://www.analog.com/en/prod/0,,761_797_AD5204,00.html#price
 
* Free samples: http://www.analog.com/en/prod/0,,761_797_AD5204,00.html#price
* Digikey: http://www.digikey.com/scripts/DkSearch/dksus.dll?Detail?Ref=1480&Row=284443&Site=US (10k version - $5.02)
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* Digikey: http://www.digikey.com/scripts/DkSearch/dksus.dll?Detail?Ref=1480
 
 
Eagle footprint data:
 
[[Image:AD5204a.png]]
 
 
 
[[Media:AD5204.zip|Eagle library (footprint, schematic symbol)]]
 
 
 
[[Category:Components]]
 

Revision as of 17:18, 30 December 2007

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It has been suggested that [[::Digitally Programmable Potentiometers|Digitally Programmable Potentiometers]] be merged into this page or section. (Discuss)


The digital Potentiometers made by analog devices (AD5204) has 255 positions can be adjusted by the microcomputer that can receive commands from the computer. This is a great way for analog circuitry to have digital control. This is a chip with 4 digitally controlled POTs and the pots can be daisy chained to have multiple chips controled by a single SPI interface.

Digikey Part Number: AD5204BN10-ND


AD5204 - 4-Channel, 256-Position Digital Potentiometer

http://www.analog.com/images/Product_Descriptions/40826AD5204_S.jpg

Datasheet: http://www.analog.com/UploadedFiles/Data_Sheets/140808745AD5204_6_0.pdf

Availability: