[sdiy] PWM or DAC better for audio out?

Tom Wiltshire tom at electricdruid.net
Fri Jun 3 01:21:32 CEST 2011


On 2 Jun 2011, at 22:37, karl dalen wrote:

>> Can anyone give a good practical
>> tradeoff analysis for choosing PWM vs DAC for 
>> digital audio output?
> 
> Cost vs quality of audio result and dynamic range!
> A dual DAC Wolfson less then 1 Euro in packs of 10! 
> 1.4euro in single units.
> 
> No filters, no external drivers if you
> chose one with inbuilt headphone driver.
> 
> The minuses are the interface and MCLK driver but can be
> solved by fiddling with SPI driver software i hope.(crossing my fingers)
> 
> KD

What's the part number, please Karl?

That's impressively cheap and I'd like to check it out.

Thanks,
Tom




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