RE: TVS as *input* clamping?

From: Anders Knudsen <Anders_Knudsen_at_btc.adaptec.com>
Date: Wed Jan 28 1998 - 18:49:41 EST

At 03:31 PM 1/28/98 -0800, you wrote:
>
>> "Couldn't you just use bidirectional TVS' (at, say... 10V for "X" and
>> 8.2V for "Y") across ground and the inputs? So if an op-amp failed
>> and
>> yanked the output the +/- rail the TVS would clamp it?"
>>
>> yes, you could. I haven't looked at it in a while, wasn't there
>> another problem with it, like it wouldn't clip in the negative or
>> positive direction?
>>
>Well, I'm trying to decide that as we speak... (Went and got the GI
>databook from the engineering library.) I think it's OK, you just use
>the bidirectional version of the part. Hmmmm.
>
>Anders/Zonn either of you ever actually *use* these things? (I haven't)
>
>-Clay

I have not used TVSs before. I just got the latest Motorola databook on
TVSs and Zeners. It has a thorough app note about theory/usage of TVSs that
I am going to read to see if these deals will work.

-Anders.
 -----------------------------------------
| Anders Knudsen
| ASIC Design Engineer
| Adaptec, Inc., Boulder Technology Center
| anders_knudsen@btc.adaptec.com
| http://www.adaptec.com
 =========================================
Received on Wed Jan 28 15:51:56 1998

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