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Old 19th March 2013, 03:43 AM   #91
rade95 is offline rade95  United States
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I am still puzzled and confused with some of the postings: glt you are talking about a need for 1.2V supply, in addition to 3.3V AVCC and 3.3V DVCC. However I don't see a need for a 1.2V regulator for a v2 board. I just got my v2 board and it has AVCC, DVCC and additional 3 pins marked +12, GND and -12V. I don't get it why does this board require +-12V PS? I am yet to figure out where to source AVCC power supply. For +-12V (if really needed) I will use a TP Placid bipolar PS and for DVCC 3.3V I will use ADP7104 eval board. Any recommendations for AVCC 3.3V regulator?
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Old 20th March 2013, 04:50 PM   #92
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From the picture (common logic), +-12V are needed for op-amps: filter stage and balanced - single ended converter.
You may use lower voltage or even +-15V, but in later case caps must be rated for 25V.

All the best,
Chicco
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Old 18th June 2014, 06:38 PM   #93
Page.P is offline Page.P  Czech Republic
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If this module works in hardware mode, what about remapping inputs to source correct DAC(1-8)? I thought it has to be done in SW mode. How does it work in HW mode on this module?

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