LMP91200 Datasheet (Texas Instruments)

LMP91200, Configurable AFE

The LMP91200 device is a sensor AFE for use in low-power, analytical-sensing applications.

The LMP91200 is designed for 2-electrode sensors.

This device provides all of the functionality needed to detect changes based on a delta voltage at the sensor.

Optimized for low-power applications, the LMP912

LMP91200 Features

* 1 Active Guarding

* Key Specifications Unless otherwise noted, typical values at TA = 25°C, VS = (VDD-GND) = 3.3 V

* pH Buffer Input Bias Current (0 < VINP < 3.3 V)

* Maximum at 25°C: ±125 fA

* Maximum at 85°C: ±445 fA

* pH Buffer Input Bias Current (