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harrylime6  
#1 Posted : Sunday, September 27, 2009 2:13:04 PM(UTC)
harrylime6

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The Buffalo 32s manual recommends +/-15VDC power for Analog and +5VDC for Digital.

My questions are ...
What is the maximum +/- Voltage that can be applied to Analog?
What is the maximum + Voltage that can be applied to Digital?

And, more particularly ...
Could +/-19VDC be applied to Analog without sonic penalty?
Could +7VDC be applied to Digital without sonic penalty.

Thank you.
-Harry
Russ White  
#2 Posted : Sunday, September 27, 2009 3:52:41 PM(UTC)
Russ White

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+/-15V on the analog side is the maximum safe voltage. I would not go any higher.

On the digital side 7V would be at the very top of the range. I would go no higher. And I would watch the temp of the 1.2V reg. It will get pretty hot at that input voltage. There is no good reason to go over 5V here.
harrylime6  
#3 Posted : Sunday, September 27, 2009 5:12:31 PM(UTC)
harrylime6

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Thanks, Russ.

In order to maintain a Balanced (sorry) view on this topic, I must now ask ...
What is the Minimum +/- Voltage that can be applied to Analog.
What is the Minimum + Voltage that can be applied to Digital.

Thank you.
-Harry
Russ White  
#4 Posted : Sunday, September 27, 2009 5:24:40 PM(UTC)
Russ White

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The relays will not function correctly with < +/-12V So don't go any lower than that on the analog side.

I would not test the LDOs too much. But down to 4.5V on VD should be ok. Possibly even lower. I just don't have any good reason to try it.

Cheers!
Russ
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