ZomBiE Posted June 12, 2004 Report Share Posted June 12, 2004 http://www.electronics-lab.com/projects/audio/006/index.htmlTDA1554: full data sheet:http://www.semiconductors.philips.com/acrobat/datasheets/TDA1554Q_CNV_2.pdfTDA 1558 might be better... Quote Link to comment Share on other sites More sharing options...
audioguru Posted June 12, 2004 Report Share Posted June 12, 2004 ZomBiE,Why do you think that the TDA1558 is better?Its data sheet is here:http://www.semiconductors.philips.com/pip/TDA1558.html#datasheetIt seems to have the same case and specs as the TDA1554.Did I miss something? Quote Link to comment Share on other sites More sharing options...
MP Posted June 12, 2004 Report Share Posted June 12, 2004 ...from the data sheets:MP Quote Link to comment Share on other sites More sharing options...
audioguru Posted June 12, 2004 Report Share Posted June 12, 2004 Thanks, MP.So the only difference is that the TDA1558 has 10 times more built-in gain than the TDA1554.Why would anyone need a voltage gain of 200, in a bridged audio amplifier that delivers only 8V? A voltage gain of 20 is usually plenty. Quote Link to comment Share on other sites More sharing options...
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