LMV321-LMV358-LMV324 is a low cost, low power, input/output rail-to-rail operational amplifiers. It features a operating range from VCC = 2.7 V to 6 V, rail-to-rail input and output, extended Vicm (VDD - 0.2 V to VCC + 0.2 V), low supply current (145 µA), gain bandwidth product (1 MHz), ESD tolerance (2 kV), latch-up immunity and SOT23-5 micropackage. Its applications include: two-cell battery-powered systems, battery-powered electronic equipment, cordless phones, personal medical care (glucose meter), laptops, PDAs.