View lm111 211 311 311b 2 datasheet:

INTEGRATED CIRCUITS LM111/211/311/311B Voltage comparator Product data 2001 Aug 03 Supersedes data of 1994 Aug 31 File under Integrated Circuits, IC11 Handbook Philips Semiconductors Philips Semiconductors Product data Voltage comparator LM111/211/311/311B DESCRIPTION PIN CONFIGURATION The LM111 series are voltage comparators that have input currents D, N Packages approximately a hundred times lower than devices like the µA710. They are designed to operate over a wider range of supply voltages; from standard ±15 V op amp supplies down to a single 3 V supply. 1 8 GND V+ Their output is compatible with RTL, DTL, and TTL as well as MOS circuits. Further, they can drive lamps or relays, switching voltages INPUT 2 7 OUTPUT + up to 50 V at currents as high as 50mA. – INP