Franc Zabkar writes:

On 14 Feb 2006 14:51:00 -0500, Sam Goldwasser
put finger to keyboard and composed:

There's also an 8 pin SMT part labeled:

5223
172

How about a dual single supply op-amp:
M5223FP.pdf (flat DIP)

Datasheet available from http://www.alldatasheet.com/.

Also try http://www.cpcares.com/pdf/M5223P.PDF (SIP & DIP versions)

Thanks. That is what I expected. These circuits almost always have
a garbage dual op-amp.

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