Quad Micropower Single Supply Rail-to-Rail Input and Output (RRIO) Op Amp

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The ISL28488 is a quad channel micropower operational amplifier optimized for single supply operation over the 2.4V to 5.5V range. It can be operated from one lithium cell or two NiCd batteries. This device features an Input Range Enhancement Circuit (IREC) which enables it to maintain CMRR performance for input voltages 10% above the positive supply rail and to 100mV below the negative supply. The output operation is rail-to-rail. The ISL28488 draws minimal supply current while meeting excellent DC accuracy, AC performance, noise, and output drive specifications.

For equivalent performance in a single channel op amp, reference EL8188.