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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.
| + | {{mergefrom|Digitally Programmable Potentiometers}} |
| | + | |
| | + | 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 | | Digikey Part Number: AD5204BN10-ND |
| Line 12: |
Line 14: |
| | 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 | + | * Digikey: http://www.digikey.com/scripts/DkSearch/dksus.dll?Detail?Ref=1480&Row=284443&Site=US (10k version - $5.02) |
| | + | |
| | + | Eagle footprint data: |
| | + | [[Image:AD5204a.png]] |
| | + | |
| | + | [[Media:AD5204.zip|Eagle library (footprint, schematic symbol)]] |
| | + | |
| | + | [[Category:Components]] |
Latest revision as of 23:03, 15 July 2008
