It's a 3.3v cmos output.
We buffer it through a 3v 74hc125, then through resistors to bring it down to 500mvPP, then a 100nf cap to center it around gnd.
On Mar 7, 2005, at 8:55 AM, Arthur Cheng wrote:
Does anyone know the voltage output from pin 48 (SPDO) of the MAS3539F chip (the SPDIF output)? Is it 0.5V p-p or is it at TTL level?
ackcheng
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