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'[EE] Thermocouple Amplifier ICs?'
2004\12\30@065905 by Midgley John

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Hi

Google throws up a lot of references for AD594/595 that looks like a neat
package for hooking a thermocouple to a PIC. Is this the type of thing
people use, or are there better options?

Cheers
John

2004\12\30@074349 by Mark Scoville

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I like the Maxim MAX6675 - Goes direct from K thermocouple to SPI.

Regards
-Mark

{Quote hidden}

> --

2004\12\30@083924 by Midgley John

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Fantastic, perfect; and the MAX6674 even better...but wait, what's this...?
No DIP, and neither Farnell nor RS in the UK have heard of either of them.

Ho hum. Bet it came in a colour I don't like, too.

Back to the breadboard...

John

{Original Message removed}

2004\12\30@091516 by Robert Young

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>From: Midgley John <.....john.midgleyKILLspamspam.....norfolk.nhs.uk>
>Reply-To: "Microcontroller discussion list - Public." <EraseMEpiclistspam_OUTspamTakeThisOuTmit.edu>
>To: "'Microcontroller discussion list - Public.'" <piclistspamspam_OUTmit.edu>
>Subject: RE: [EE] Thermocouple Amplifier ICs?
>Date: Thu, 30 Dec 2004 13:39:18 -0000
>
>Fantastic, perfect; and the MAX6674 even better...but wait, what's this...?
>No DIP, and neither Farnell nor RS in the UK have heard of either of them.
>
>Ho hum. Bet it came in a colour I don't like, too.
>
>Back to the breadboard...
>
>John
>

It is available as a SOIC with 50mil pin pitch.  Not much problem hand
soldering those to a prototype.  If you are worried about that, you can buy
"SurfBoards" and work with those.

The part is available directly from Maxim.  You can probably get a couple of
free samples by asking.  Otherwise use their on-line purchasing system and
order as many thousands as you think you need! :-)

Any color you like so long as it is black...

Rob Young
@spam@rwyoungKILLspamspamieee.org


2004\12\30@100159 by Mark Scoville

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Yeah, no DIP - bummer huh? I made up some small adapter boards for myself
for prototyping. You can buy adapter boards as well, Digikey sells
'Surfboards' adapters I think. Maxim is pretty good about sending samples in
the US - but I must admit I don't know how they are about sending stuff to
the UK. For me the MAX6675 was just such an elegant solution that I couldn't
let lack of a DIP get in the way. If the color clashes with the sofa you can
spray paint the chip... or spray paint the sofa!

-Mark

{Quote hidden}

2004\12\30@113945 by Midgley John

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Bingo. Maxim/Dallas UK - very helpful. Om-adapt 'footprint converter' from
Omega Research to match.

Thanks
John

{Original Message removed}

2004\12\30@115648 by Gerhard Fiedler

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>> Fantastic, perfect; and the MAX6674 even better...

> For me the MAX6675 was just such an elegant solution that I couldn't
> let lack of a DIP get in the way.

Or something like the LTC2053 with something like the LM35 (or any other
temp sensor) for cold junction compensation.

Gerhard


'[EE] Thermocouple Amplifier ICs?'
2005\01\02@081844 by Ake Hedman
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Mark Scoville wrote:

{Quote hidden}

The Analog devices AD587AH may be an alternative for you. Easier to handle on breadboard and free samples to.

Regards
/Ake

--  ---
Ake Hedman (YAP - Yet Another Programmer)
eurosource, Brattbergavägen 17, 820 50 LOS, Sweden
Phone: (46) 657 413430 Cellular: (46) 73 84 84 102
Company home: http://www.eurosource.se      Kryddor/Te/Kaffe: http://www.brattberg.com
Personal homepage: http://www.eurosource.se/akhe
Automated home: http://www.vscp.org

2005\01\04@042656 by Midgley John

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That had me scratching my head; my electronics is shaky, but I couldn't
figure out how to use a 10V precision reference to measure temperature.

AD5*9*7AH? You were just checking that I was paying attention, no doubt!

John

Ake wrote:

The Analog devices AD587AH may be an alternative for you. Easier to handle on breadboard and free samples to.

Regards
/Ake

--  ---
Ake Hedman (YAP - Yet Another Programmer)
eurosource, Brattbergavägen 17, 820 50 LOS, Sweden
Phone: (46) 657 413430 Cellular: (46) 73 84 84 102
Company home: http://www.eurosource.se      Kryddor/Te/Kaffe: http://www.brattberg.com
Personal homepage: http://www.eurosource.se/akhe
Automated home: http://www.vscp.org

2005\01\04@051255 by Ake Hedman

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Midgley John wrote:

>That had me scratching my head; my electronics is shaky, but I couldn't
>figure out how to use a 10V precision reference to measure temperature.
>
>AD5*9*7AH? You were just checking that I was paying attention, no doubt!
>
>John
>
>Ake wrote:
>
>The Analog devices AD587AH may be an alternative for you. Easier to
>handle on breadboard and free samples to.
>
>Regards
>/Ake
>
>  
>
My only excuse is that the "8" and the "9" is tooooo close together for my *big* fingers......;-) It should of course be AD597AH.

/Ake

--  ---
Ake Hedman (YAP - Yet Another Programmer)
eurosource, Brattbergavägen 17, 820 50 LOS, Sweden
Phone: (46) 657 413430 Cellular: (46) 73 84 84 102
Company home: http://www.eurosource.se      Kryddor/Te/Kaffe: http://www.brattberg.com
Personal homepage: http://www.eurosource.se/akhe
Automated home: http://www.vscp.org

2005\01\04@062851 by Luis.Moreira

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Hi John
I am using them at this point, and they seam very good.
Regards
       Luis

-----Original Message-----
From: Midgley John [KILLspamjohn.midgleyKILLspamspamnorfolk.nhs.uk]
Sent: 30 December 2004 11:58
To: 'RemoveMEpiclistTakeThisOuTspammit.edu'
Subject: [EE] Thermocouple Amplifier ICs?

Hi

Google throws up a lot of references for AD594/595 that looks like a neat
package for hooking a thermocouple to a PIC. Is this the type of thing
people use, or are there better options?

Cheers
John

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