AD8613/AD8617/AD8619 are low-cost micropower, low-noise CMOS rail-to-rail input/output operational amplifiers. They feature 2.2 mV maximum offset voltage, 1 pA maximum input bias current, 1.8 V to 5 V single-supply operation, 22 nV/√Hz low noise, 50 μA/amplifier maximum micropower, etc. They are suitable for battery-powered instrumentation, multipole filters, current shunt sense, sensors, ADC predrivers, DAC drivers/level shifters, low power ASIC input or output amplifiers, etc.