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TI Home » TI E2E Community » Support Forums » Data Converters » Audio Converters » Audio Converters Forum » PCM2902B DAC output protection?
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PCM2902B DAC output protection?

PCM2902B DAC output protection?

This question is not answered
Jonathan Jank
Posted by Jonathan Jank
on May 02 2012 15:40 PM
Prodigy210 points

On the DAC output of this part we have a 220uF AC coupling cap.   We inadvertently shorted  the output of this cap to ground (AC short)   Could this damage the DAC output stage?   Is there any protection on the DAC output for an AC short situation?

Our initial investigation would seem to conclude we damaged all the PCM2902's that were shorted.

Thanks,

 

PCM2902 DAC output
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  • Don Dapkus
    Posted by Don Dapkus
    on May 04 2012 18:17 PM
    Guru101605 points

    Hi, Jonathan,

    Sorry for the delay. We are investigating this for you.

    -d2

    -----

    Don Dapkus

    Audio Applications Engineering Manager

    Dallas, TX USA

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  • Jonathan Jank
    Posted by Jonathan Jank
    on May 08 2012 14:01 PM
    Prodigy210 points

    I am requesting a response.   Thanks.

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  • Patrick Galvin
    Posted by Patrick Galvin
    on May 08 2012 23:19 PM
    Genius16290 points

    Jonathan,

    There is no integrated short-protection on the DAC output of the PCM2902B. 

    Patrick Galvin

    PCM2902 Output Short
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