10W Mini Audio Amplifier

Discussion in 'Homework Help' started by Shanny, Dec 6, 2008.

  1. Shanny

    Thread Starter New Member

    Dec 6, 2008
    Hi i need some assistance finding information about a 10W mini audio amplifier and a list of possible errors and how exactly can i calculate it....Anyone that can help ......
  2. beenthere

    Retired Moderator

    Apr 20, 2004
    Isn't this a homework assignment? Of the 115,000 hits Google finds on "10 watt audio amp circuit", here is the one called "10 watt mini audio amplifier".

    The data sheet for the amplifier IC should let you discover possible error sources.
  3. Audioguru


    Dec 20, 2007
    Electronics-Lab has a 10W Mini-Amplifier project: http://www.electronics-lab.com/projects/audio/016/index.html
    It does not use the parts recommended by the manufaturer of the TDA2003 IC so it probably does not work.
    If it did work then its output will be no where near 10W, it is only 0.9W into 8 ohms or 1.7W into 4 ohms at clipping with the 9.0V supply in the project.

    The IC is spec'd to produce 10W into 2 ohms with a 14.4V supply and a horrible 10% distortion. It clips at a little over 7W.