View lm2903 datasheet:

LM2903 ? LOW POWER DUAL VOLTAGE COMPARATORS .WIDE SINGLE SUPPLY VOLTAGE RANGE OR DUAL SUPPLIES +2V TO +36V OR ±1V TO ±18V .VERY LOW SUPPLY CURRENT (0.4mA) INDE- PENDENT OF SUPPLY VOLTAGE (1 mW/comparator at +5V) .LOW INPUT BIAS CURRENT : 25nA TYP .LOW INPUT OFFSET CURRENT : ±5nA TYP N D .INPUT COMMON-MODE VOLTAGE RANGE DIP8 SO8 INCLUDES GROUND (Plastic Package) (Plastic Micropackage) .LOW OUTPUT SATURATION VOLTAGE : 250mV TYP. (IO =4mA) .DIFFERENTIAL INPUT VOLTAGE RANGE EQUAL TO THE SUPPLY VOLTAGE .TTL, DTL, ECL, MOS, CMOS COMPATIBLE OUTPUTS P TSSOP8 DESCRIPTION (Thin Shrink Small Outline Package) This device consists of two independentlow power voltage comparators designed specifically to oper- ate from a single supply over a wide range of volt- ages. Operatio