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'[BUY]: Help, anyone got some OPA547T pwr opamps?'
2001\03\16@112815 by John Lawton Electronics

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Hi,

I've designed a board for a customer, using Burr Brown's OPA547T (or
OPA548T) and am now embarrassed to find that the power opamps have become
unavailable.
The leadtime is apparently 16 weeks. Anybody spare a few?

John

-----------------------------------------------
John Lawton Electronics
Custom Electronics Design & Development
spam_OUTdesignTakeThisOuTspamjle.co.uk   http://www.jle.co.uk
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2001\03\16@121002 by Harold M Hallikainen

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       Sorry I can't help, but this DOES remind me of a problem. We've got the
LT1491 designed into a product. It's max supply voltage is 44V (rail to
rail). They are hard to get and expensive. Anyone know of any other rail
to rail quad op-amp that can handle this power supply voltage or higher?
The pinout needs to be the same as an LM324.

Harold


On Fri, 16 Mar 2001 16:28:02 +0000 John Lawton Electronics
<designspamKILLspamJLE.CO.UK> writes:
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2001\03\16@191320 by mike

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On Fri, 16 Mar 2001 08:53:24 -0800, you wrote:

>        Sorry I can't help, but this DOES remind me of a problem. We've got the
>LT1491 designed into a product. It's max supply voltage is 44V (rail to
>rail). They are hard to get and expensive. Anyone know of any other rail
>to rail quad op-amp that can handle this power supply voltage or higher?
>The pinout needs to be the same as an LM324.
Some of Texas's TLE range can handle 44V (e.g. TLE2144)

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2001\03\17@194954 by Harold M Hallikainen

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       Thanks! We tried that one... Bias current was too high. Any others?

Harold


On Sat, 17 Mar 2001 00:19:03 +0000 Mike Harrison <KILLspammikeKILLspamspamWHITEWING.CO.UK>
writes:
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