[sdiy] modern AD/DA chips?

Paul Perry pfperry at melbpc.org.au
Wed May 6 13:53:36 CEST 2009


----- Original Message -----From: "Tom Wiltshire" 
>Another approach would be to use two DACs with less resolution to  
>create one of higher resolution. 

You can get more decimal places this way, but not more accuracy.
If you put two 6 digit DACs together, the guaranteed accuracy is still 
no better than 6 bits.

That is why a 12 bit DAC costs mre than twice as much as a 6 bit DAC.

paul perry Melbourne Australia






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