Updated: CS8412/14 Substitute

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This is an update of the widget I posted earlier that uses a CS8415A operating like a CS8412 in mode 6. It is plug-in replacement for a CS8412-CP and makes a nice upgrade for most Audio Note and similar DACs. Other CS8412 operation modes can also be provided with minor circuit changes.

The 24-bit, right-justified output of the CS8415A is shifted right six bits yielding 18-bit samples. The CS8415A is a definite improvement over the CS8412 and shifting one or two additional bits reduces the DACâ€™s settling time and that yields even greater clarity and dynamics. Like jitter, settling is a period of time when the DAC is outputting the wrong value during the transition to the next sample, except jitter is measured in picoseconds and settling time is measured in nanoseconds: a thousand times larger.

The link below shows the circuit essentials. The rest is cookbook/datasheet. If the /EMPH signal is used it must be buffered.

Link (Open in New Window)

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Topic - Updated: CS8412/14 Substitute - jmlpartners 20:36:40 05/15/08 (0)

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