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Subject: Re: Parallel op amps

Date: 02/09/03 at 12:59 AM
Posted by: John Dunn - Consultant
E-mail: ambertec@ieee.org
Message Posted:

In Reply to: Re: Parallel op amps posted by Frank Prebeg on 02/08/03 at 10:22 PM:

HI, Frank.

Paralleling op-amps is just not viable. However, if your application is just of single op-amps without paralleling and they still get hot like that, it would seem you have heat sinking problems to resolve.

First check the device(s) data sheet(s) for power dissipation limits and thermal resistances. Then calculate the proper temperature rises based on the heat sinking you have and see if the numbers all come out right.

Good luck.

JOhn Dunn
ambertec@ieee.org


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