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DIY For Audio
Ac to DC converter question
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<blockquote data-quote="pwatts" data-source="post: 903324" data-attributes="member: 146"><p>On the other hand 5V is a very popular, almost invariable except the cheap stuff, voltage rail for the DAC analog rail. Unless they use an isolated DC-DC they may very well feed the 5V direct to the DAC with only passive filtering, and then one does have to exercise caution. Some opamps used for the output may also have low voltage ranges. 5.5V is the highest I would go unless if the circuit is known since that is typically just below the absolute maximum ratings. Your ps2 psu is likely to dip a little when loaded, not because of sagging but because the regulator was designed to operate at spec with a load present.</p></blockquote><p></p>
[QUOTE="pwatts, post: 903324, member: 146"] On the other hand 5V is a very popular, almost invariable except the cheap stuff, voltage rail for the DAC analog rail. Unless they use an isolated DC-DC they may very well feed the 5V direct to the DAC with only passive filtering, and then one does have to exercise caution. Some opamps used for the output may also have low voltage ranges. 5.5V is the highest I would go unless if the circuit is known since that is typically just below the absolute maximum ratings. Your ps2 psu is likely to dip a little when loaded, not because of sagging but because the regulator was designed to operate at spec with a load present. [/QUOTE]
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DIY & Tutorials
DIY For Audio
Ac to DC converter question
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