name: ICL7106 function: 3 1/2 A/D converter + driver for LCD package: DIL40,40 manufacturer: Intersil -USA , Harris -USA , Microelectronica -Romania added-by: comment: is used in low-cost DMM ( digital multimeter ) +--()--+ +V | 1 40| osc1 1's d | 2 39| osc2 1's c | 3 38| osc3 1's b | 4 37| test 1's a | 5 36| +ref 1's f | 6 35| -ref 1's g | 7 34| +ref cap 1's e | 8 33| -ref cap 10's d | 9 32| common 10's c |10 31| in high 10's b |11 30| in low 10's a |12 29| auto zero 10's f |13 28| buffer 10's e |14 27| integrator 100's d |15 26| -V 100's b |16 25| 10's g 100's f |17 24| 100's c 100's e |18 23| 100's a 1000's a&b |19 22| 100's g polarity |20 21| backplane +------+ This information was added by a third party and may be incorrect. This pinout came from the Chipdir: http://www.chipdir.org/