[sdiy] OpAmp Output Current Question

James Patchell patchell at cox.net
Sun Jan 11 00:35:41 CET 2004


Generally, at that current level, and depending on the application, I will 
use a transistor as an output current booster....NPN if I need to source 
current, PNP if I need to sink it....if I need push pull.....well.....

At 11:02 AM 1/10/2004 -0700, Scott Gravenhorst wrote:
>I was looking at the spec sheet for a TL072 opamp today
>wanting to know what the device's maximum usable output
>current can be.  The only spec given is no-load supply
>current.  I need to be able to supply up to about 20ma.  Is
>this reasonable for a TL072 or should I choose a different part?
>
>Thanks.
>
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