Try Microchip MCP6002,  Yes, Microchip has opamps. Low noise low offset and
good price.

If you want cheap the LM358 is the cheapest for a good quality that I know
of.

I prefer the MCP6002. It's more consistent.

Gordon Varney
www.tal2it.com
Remote Voice Recognition in a keyfob


>Good day to all.
>
>I am starting a project where I need a low cost dual op-amp and am looking
>for suggestions.
>
>The requirements are:

>single supply: both 5V regulated and ~17V unregulated available.
>inputs and output go down to 0V.
>output has to go to at least 4V
>low offset: < 1 mV required, much better than 1 mV appreciated but not
>critical.
>low bandwidth OK (preferred)
>Through-hole DIP preferred
>low cost
>widely available

>1 section will be used as a low accuracy K-type thermocouple pre-amp, the
>other section as a comparitor.

>My current favorite low offset part (AD8552) is too expensive for this
>application.  I would have like to use my favorite little NS part: the LM10
>but the offset is about double what I can tolerate and using the Vref
>section as a comparitor only allows an inverting input.

>Any recommendations?

>dwayne

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