Datasheet Summary
Product Folder
Sample & Buy
Technical Documents
Tools & Software
Support & munity
SNAS571E
- JANUARY 2012
- REVISED FEBRUARY 2016
LMP91200 Configurable AFE for Low-Power Chemical-Sensing Applications
1 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 (- 500 mV < VINP- VCM < 500 mV), VS = (VDD
- GND) = 0 V
- Maximum at 25°C: ±600 fA
- Maximum at 85°C: ±6.5 pA
- pH Buffer Input Offset Voltage: ±200 µV
- pH Buffer Input Offset Voltage Drift: ±2.5 μV/°C
- Supply...