MC3503 amplifiers equivalent, low power quad bipolar operational amplifiers.
The quad amplifier can operate at supply voltage as low as 3 Volts or as high as 36 volts with quiescent currents about.
The MC3403 is a low-cost, quad operational amplifier with true differential inputs. The device has electrical characteristics similar to the popular UA741. However the MC3403, has several distinct advantages over standard operational amplifiers types.
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