Quad comparator for 2V to 30V rails
The Texas Instruments LM2901DRE4 is a general-purpose quad comparator — four independent voltage comparators in one 14-SOIC package.
Output flexibility and drive
The open-collector outputs can be pulled up to any voltage within the supply range, and they sink up to 20 mA typical per channel. The output type supports CMOS, MOS, TTL, and open-collector logic levels — so the comparator interfaces directly with a downstream microcontroller GPIO or a discrete logic gate without a level shifter.
TI lists the LM2901DRE4 with active product status.