| | List |
| Subject: | Re: High Voltage OP AMP needed |
| Poster: | orphic.mysteries@gmail.com |
| Date: | 23 Mar 2007 07:49:09 -0700 |
| Related Postings: | 1 2 3 |
On Mar 23, 9:49 am, Casper Budtz-J=F8rgensen
wrote:
> Hi,
>
> Im looking for an OPAMP which can deliver +/- 60 V (120 V nom) or more
> in the 1 kHz range. No significant current throughput is needed. Does
> anyone know of a manufacturer? The best I can find at TI.com is +/- 45V.
>
> If they are not to be had, how does one go about creating a 1 kHz +/-
> 60V sawtooth signal?
>
> Casper
Or perhaps simpler, a high voltage ramp generator. The SuperTex AD-D12
goes up to 500V, but the example oscilloscope trace in the app note
demonstrates a a +/- 50V (100v nom) 1 kHz circuit very close to your
requirements.
http://www.supertex.com/pdf/app_notes/AN-D12.pdf
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