The ISL28130， ISL28230 and ISL28430 are single， dual and quad micropower， low offset drift operational amplifiers that are optimized for single and dual supply operation from 1.8V to 5.5V and ±0.9V to ±2.75V. Their low supply current of 20μA and rail-to-rail input/output enable the ISL28130， ISL28230， and ISL28430 to be an excellent general-purpose op amp for a range of applications. The ISL28130， ISL28230 and ISL28430 are ideal for handheld devices that operate off 2AA or single Li-ion batteries. The ISL28130 is available in industry standard pinouts for 5 Ld SOT-23， 5 Ld SC70 and 8 Ld SOIC packages. The ISL28230 is available in industry standard pinouts for 8 Ld MSOP， 8 Ld SOIC and 8 Ld DFN packages. The ISL28430 is available in 14 Ld TSSOP and 14 Ld SOIC packages. Commercial devices operate over the temperature range of 0°C to 70°C. Full temperature range devices operate over the temperature range of -40°C to 125°C.