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Description

The AD8236 is the lowest power instrumentation amplifier in the industry. It has rail-to-rail outputs and can operate on voltages as low as 1.8 V. Its 40 μA maximum supply current makes it an excellent choice in battery-powered applications. The AD8236’s high input impedance, low input bias current of 1 pA, high CMRR of 110 dB (G = 100), small size, and low power offer tremendous value.

It has a wider common-mode voltage range than typical three-op-amp instrumentation amplifiers, making this a great solution for applications that operate on a single 1.8 V or 3 V supply. An innovative input stage allows for a wide rail-to-rail input voltage range without the crossover distortion common in other designs.

Features

* Low power: 40 μA supply current (maximum)
* Low input currents
* 1 pA input bias current
* 0.5 pA input offset current
* High CMRR: 110 dB CMRR, G = 100
* Space-saving MSOP
* Zero input crossover distortion
* Rail-to-rail input and output
* Gain set with single resistor
* Operates from 1.8 V to 5.5 V

Applications 

* Medical instrumentation
* Low-side current sense
* Portable devices