The MAX44250/MAX44251/MAX44252 are 20V, ultraprecision,low-noise, low-drift amplifiers that offer nearzeroDC offset and drift through the use of patented autocorrelatingzeroing techniques. This method constantlymeasures and compensates the input offset, eliminatingdrift over time and temperature and the effect of 1/f noise.These single, dual, and quad devices feature rail-to-railoutputs, operate from a single 2.7V to 20V supply, andconsume only 1.15mA per channel, while providing5.9nV/√Hz input- referred voltage noise. The ICs are unity-gain stable with a gain-bandwidth product of 10MHz.With excellent specifications such as offset voltage of6μV (max), drift of 19nV/°C (max), and 123nVP-P noise in0.1Hz to 10Hz, the ICs are ideally suited for applicationsrequiring ultra-low noise and DC precision such as interfacingwith pressure sensors, strain gauges, precisionweight scales, and medical instrumentation.
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