The AD824ARZ-14 is a Quad Low Power FET-input Operational Amplifier features rail-to-rail outputs and single supply. The combination of FET inputs and rail-to-rail outputs makes the AD824 useful in a wide variety of low voltage applications where low input current is a primary consideration. Fabricated on complementary bipolar process, the AD824 has a unique input stage that allows the input voltage to safely extend beyond the negative supply and to the positive supply without any phase inversion or latch-up. The FET input combined with laser trimming provides an input that has extremely low bias currents with guaranteed offsets below 1mV. This enables high accuracy designs even with high source impedances. Precision is combined with low noise, making the op amp ideal for use in battery powered medical equipment. The ability of the output to swing rail-to-rail enables designers to build multistage filters in single supply systems and maintain high signal-to-noise ratios.
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