Digital 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.
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Digikey Part Number: AD5204BN10-ND
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AD5204 - 4-Channel, 256-Position Digital Potentiometer
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http://www.analog.com/images/Product_Descriptions/40826AD5204_S.jpg
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Datasheet: http://www.analog.com/UploadedFiles/Data_Sheets/140808745AD5204_6_0.pdf
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Availability:
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* Free samples: http://www.analog.com/en/prod/0,,761_797_AD5204,00.html#price
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* Digikey: http://www.digikey.com/scripts/DkSearch/dksus.dll?Detail?Ref=1480&Row=284443&Site=US (10k version - $5.02)
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Eagle footprint data:
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[[Image:AD5204a.png]]
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[[Media:AD5204.zip|Eagle library (footprint, schematic symbol)]]
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[[Category:Components]]

Revision as of 23:08, 30 June 2007

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:

Eagle footprint data: AD5204a.png

Eagle library (footprint, schematic symbol)

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