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

The ISL28176, ISL28276 and ISL28476 are single, dual and quad channel micropower operational amplifiers optimized for single supply operation over the 2.4V to 5V range. They can be operated from one lithium cell or two Ni-Cd batteries.

Features

• Low power 120µA typical supply current (ISL28276)

• 100µV maximum offset voltage

• 500pA typical input bias current

• 400kHz typical gain-bandwidth product

• 115dB typical PSRR and CMRR

• Single supply operation down to 2.4V

• Input is capable of swinging above V+ and to V- (ground sensing)

• Rail-to-rail input and output (RRIO)

• Pb-free (RoHS compliant)

Applications

• Battery- or solar-powered systems

• 4mA to 25mA current loops

• Handheld consumer products

• Medical devices

• Thermocouple amplifiers

• Photodiode pre-amps

• pH probe amplifiers