4.1.1 For PIC® MCUs AN3521 - Analog Sensor Measurement and Acquisition TB3293 - Using the MPLAB® Mindi™ Analog Simulator with the 8-Bit Operational Amplifier Module TB3280 - Using the Operational Amplifier on PIC16 and PIC18 TB3279 - Optimizing Internal Operational Amplifiers for Analog Signal Conditioning