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DAC

arh8081
Associate

‎2016-04-11 1:26 AM

Posted on April 11, 2016 at 10:26

I would like to create a 16 bit DAC in STM32F103RET6. But

STM32F103RET6

only has 12 bit DAC. How do I implement a higher resolution DAC in

STM32F103RET6

?

Thank you. Please see link below

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&cad=rja&uact=8&ved=0ahUKEwikw5H1oo3MAhVjQpoKHXSdB6YQFggpMAI&url=http://www.cypress.com/file/136326/download&usg=AFQjCNGMTYfBJtqGyTpFVwAPRUurSabTYg

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2 REPLIES 2
Tesla DeLorean
Guru

‎2016-04-11 5:39 AM

Posted on April 11, 2016 at 14:39

So you'll have to connect an external CODEC or DAC device, or create one using a resistor ladder type configuration.

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mark239955_stm1
Associate II

‎2016-04-11 2:23 PM

Posted on April 11, 2016 at 23:23

Resistive ladders are pointless for 16-bit DAC's - 1% resistors versus 0.0015% resolution for the DAC.

Use an external DAC.

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