The LT1112/LT1114 also provide a full set of matching specifications, facilitating their use in such matching dependent applications as two and three op amp instrumentation amplifiers. Another set of specifications is furnished at 1V supplies. This, combined with the low 320A supply current per amplifier, allows the LT1112/LT1114 to be powered by two nearly discharged AA cells. Protected by U.S. Patents 4,575,685; 4,775,884 and 4,837,496