[sdiy] TDA7052A as VCA

Antti Huovilainen ajhuovil at cc.hut.fi
Wed Jun 30 14:17:46 CEST 2010


On Wed, 30 Jun 2010, Paul Perry wrote:

> If it is true that operating wiht the neg rail disconnected fries the 
> chip, one would have to be careful about what happens as the + and - 
> power rails turn on.

Why does disconnecting the negative rail fry the 2164?
Is it due to overheating (current limit) or voltage breakdown?
The first could perhaps be protected against with suitable circuit design.

Antti

"No boom today. Boom tomorrow. There's always a boom tomorrow"
   -- Lt. Cmdr. Ivanova



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