The MCP6291-E/P part of Microchip is a single-channel, 8-bit, single-supply, low-power analog-to-digital converter (ADC). It features a rail-to-rail input buffer and operates from 2.7 V to 5.5 V. It has a combination of industry-leading accuracy, low power consumption and tiny packaging make the MCP6291-E/P an ideal choice for low voltage, low power and space-sensitive applications. It offers an input voltage range from 0 V to Vdd and a maximum sample rate of 10 kHz, with a typical conversion time of 10 µs. It has a programmable I2C interface and a variety of protection features.