DAC Chips


Hello all.
I was wondering if anyone out there can tell me the difference between these two DAC chips: The  ESS9038KTM and the Sabre 9028PRO. Is one "better" than the other etc? Thanks.
gsal

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The 9038 Pro chips can be ran in a high current mode.  This allows higher output voltage/current from the DAC chip itself.  The downside is heat (which requires heatsinks on the DAC chips themselves) as well as an I/V stage that is capable of the higher voltage swings.  I know of only two manufacturers that support the "high current" mode (LKS and Audio-GD).  If you see the 9038/9028 in equipment without heatsinks or using normal op amps for I/V, then they are running them in standard mode, which isn't really any different from the previous 9018 generation DAC chips.