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Audio and Video Talk
Digital
DAP game changer
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<blockquote data-quote="user 18471" data-source="post: 871913" data-attributes="member: 18471"><p>Its very sad that Texas Instruments bought out Burr Brown and don't see the need for manufacturing PCM1704 R-2R series chips due to cost. These chips were so accurate - shortest signal path - fast, low noise, gain error correction, bipolar zero offset, temperature gain and offset drift. IMPO i doubt that a discrete resistor R-2R DAC can offer the same performance due to a longer signal path (PCB tracking and solder joints), resistors susceptible to noise, matching resistors operating at different temperatures - drift.</p></blockquote><p></p>
[QUOTE="user 18471, post: 871913, member: 18471"] Its very sad that Texas Instruments bought out Burr Brown and don't see the need for manufacturing PCM1704 R-2R series chips due to cost. These chips were so accurate - shortest signal path - fast, low noise, gain error correction, bipolar zero offset, temperature gain and offset drift. IMPO i doubt that a discrete resistor R-2R DAC can offer the same performance due to a longer signal path (PCB tracking and solder joints), resistors susceptible to noise, matching resistors operating at different temperatures - drift. [/QUOTE]
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Audio and Video Talk
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DAP game changer
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