Ultra Low VOS CMOS Voltage Comparators
   

Precision CMOS Voltage Comparator with Industry-First Integrated Pre-Amp and Output Driver

ALD has a family of precision voltage comparators, available as micropower devices with very low input currents and high output current drivers. Again, these are available in a good variety of options, including precision offset voltage grades.
ALD2321A/ALD2321B/ALD2321 EPAD Dual CMOS Voltage Comparator with Complementary Output Driver
ALD2331A/ALD2331B/ALD2331 Dual Precision CMOS Voltage Comparator with Open Drain Output Driver
ALD2332A/ALD2332B/ALD2332 Dual Precision CMOS Voltage Comparator with Push Pull Driver