General purpose MCP3901A0-I/ML analog front end from Microchip Technology is a must-have when trying to interface between analog signals from sensors and converting them to digital. This AFE has a resolution of 16 bit. This device has a minimum operating supply voltage of 2.7|4.5 V and a maximum of 5.5 V. This AFE has a temperature range of -40 °C to 85 °C. This device uses analog and digital power. It has 2 channels per chip.