این آی سی LM2903 یک مدار مجتمع شامل دو مقایسه کننده مستقل کم مصرف می باشد.همچنین این آی سی دارای 8 پایه بوده و پکیج آن DIP میباشد

This device consists of two independent low power voltage comparators designed specifically to oper ate from a single supply over a wide range of volt ages. Operation from split power supplies is also possible. These comparators also have a unique characteris-tic in the fact that the input com mon-mode voltage range includes ground even though operated from a single power supplyvolt age.