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4th September 2005, 07:39 PM
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#1 |
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diyAudio Member
Join Date: Apr 2002
Location: Munich
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I/V - op amp offset influence on DAC performance ?
Hi,
most op amps including OPA627 have significant offset. Does that degrade linearity of DAC chips like TDA1541 or other multibit chips ? It should degrade R-2R DAC. |
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4th September 2005, 08:45 PM
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#2 | |
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diyAudio Member
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Re: I/V - op amp offset influence on DAC performance ?
Quote:
Bernhard, Significant offset? Surely not more then a couple of mV? I know DACs don't like offset at their current output (therefore one must be carefull using just an I/V resistor), but a few mV wouldn't matter I would think. Jan Didden
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