Midi-2-CV8

[Paul Perry]

At 01:46 PM 5/01/98 +0100, Erik Schuijers  wrote:

>now, I have a problem with my PAiA m2cv8. The 4051 mux IC gets extremely
>hot under operation. It started to smell and I burned my finger to it.
>Ofcourse it doesn't work properly anymore. Can this be a cause of the
>relatively high voltage my transformer produces? There's about 16.8 volts
>accross the power lines of the mux (Vdd - Vss).

According to the datasheets, 18volts is OK, and max through current 25ma.
Perhaps ask PAiA, they are unusually helpful, as many on this list can testify.
BTW, 'uncomfortably hot' is usually OK, but raising a blister isn't.
(this is a 'rule of finger' I guess)

paul perry melb australia