amazing.. my 82 IC master has it
AM6012ADM Ceramic -55 to +125 C +/- .012 linearity
AM6012DM Ceramic "" .025
AM6012ADC Ceramic 0 to 70C .012
AM6012APC Plastic " .025
AM6012DC Ceramic " .025
AM6012PC Plastic " .025
foo..typo on the APC, but you get the idea
I'll scan in the data sheet tonight, and put it up on the schematics page
on spies.