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Fundamental Questions: ADCs, DACs, I2S
Fundamental Questions: ADCs, DACs, I2S
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Old 5th August 2011, 09:40 PM   #11
stratus46 is offline stratus46  United States
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Quote:
Originally Posted by Zero Cool View Post
I have s somewhat related question...is there a standard or a reference voltage level for 0dbfs??? IE should 0dbfs = say 2vrms? or is there a standard for what 0dbfs is voltage wise?


Zc
No. It varies from chip to chip. They all require a precision Voltage reference, often provided within the chip. It's pretty common (at least in video) to do fine level trimming by altering the reference Voltage a small amount. You'll just have to read the data sheets to find what you have.

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