MicroAnalogSystemsOy(MAS)foundedin1980designsandmarketslowvoltage,low power,andlownoiseanalogandmixedsignalICs.MASisprivatelyownedsemiconductor companyhavingit`sheadquartersinEspoo,Finland.Italsooperatesaseconddesign officeinTallinn,Estoniaandhasin-housewaferleveltestingandfinaltesting facility.