Micropower, Single Supply, Rail-to-Rail Input-Output Instrumentation Amplifier and Precision Operational Amplifier

The ISL28274 is a combination of a micropower instrumentation amplifier (Amp A) with a low power precision

amplifier (Amp B) in a single package. The ISL28474 consist of two micropower instrumentation amplifiers (Amp A) and two low power precision amplifiers (Amp B) in a single package. The amplifiers are optimized for operation at 2.4V to 5V single supplies. Inputs and outputs can operate rail-to rail. As with all instrumentation amplifiers, a pair of inputs provide a high common-mode rejection and are completely independent from a pair of feedback terminals.

Features

• Combination of IN-AMP and OP-AMP in a single package

• 120µA supply current for ISL28274

• Input Offset Voltage IN-AMP 400µV max

• Input Offset Voltage OP-AMP 225µV max

• 30pA max input bias current

• 100dB CMRR and PSRR

• Single supply operation of 2.4V to 5.0V

• Ground Sensing

• Input voltage range is rail-to-rail and output swings rail-to-rail

• Pb-free plus anneal available (RoHS compliant)

Applications

•4-20mA loops

• Industrial Process Control

• Medical Instrumentations