About Hugh Worrall

Hugh Worrall · 2018-01-28

Posted on January 29, 2018 at 05:48I've just managed to blow up 2 TDA7498E D Class amp chips when testing the first run of 25 production boards. This is the first time we have managed to damage any chips in over a year of prototype testing.We are us...

Hugh Worrall · 2019-01-20

Opps, that should have been:We have run them at -5C with no problems. They don't like powering up into full load at -15C.Regards,Hugh

Hugh Worrall · 2019-01-20

Hi,When have run the at -5C with no problems. They don't like powering up into full load at -15C.Regards,Hugh

Hugh Worrall · 2018-02-04

Posted on February 04, 2018 at 21:35Hi Gianni,Should be fine in stereo mode. In mono mode the L and R outputs are connected in parallel and if they are not in sync with each other they will short each other out.I ran a test where the amp was put int...

Hugh Worrall · 2018-02-01

Posted on February 01, 2018 at 23:58After several days of testing a a pile of blown chips I can confirm that if you switch the standby signal with the chip configured for mono mode with audio applied to the chip the chip may be destroyed. I ran the ...

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