DA24QSDS


Posted on Feb 5, 2014

The DA24DS is a double speed (up to more than 96kHz) version, slightly smaller and cheaper than the DA24QS, particularly intended to be built as a module into e. g. CD players. The DA24QS operates over a wide range of sample rates. The S/P-DIF receiver-IC ( Cirrus CS8416 ) is specified from 30kHz up to 216kHz, but my sample works even with 16kHz fr


DA24QSDS
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om the AD24QS (though, at 16kHz, with a remarkably low SNR at the audio outputs). Due to its simplified circuit diagram the DA24DS does not support the quad speed range. All connections are made on the rear. When no digital audio signal is present, both DACs generate their own digital "zero" audio signal at a rate of 96kHz. DA24QS: Up to 4 inputs are selected with the rotary switch on the front panel. On-board there are 3 digital audio inputs: Input 1 and 2 are optical (Toslink) ones and input 3 is an unbalanced, transformer-coupled RCA input. A 4th balanced digital audio input with its own digital audio transformer is included in the version DA24QS-IOP or can be connected externally. DA24DS: On-board there are 2 digital audio inputs: Input 1 is an optical (Toslink) and input 2 is an unbalanced, transformer-coupled RCA input. The inputs are selected automatically: When an input signal at the optical input is detected, this input is enabled, otherwise the coaxial input is selected. For the DA24QS as options, balanced outputs are prepared for XLR-connectors carrying output levels of 4. 91VRMS at 100%FS, which corresponds to +16dBu or 12dB above the standard studio level of +4dBu (i. e, the headroom is 12dB). They need extra balancing output amplifiers to be placed. On the photo you see these amplifiers and the Micro-Match connector for the balanced outputs populated, but the XLR-connectors are not connected. See the DA-IOP or...




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