MCP3008 is an 8-channel, 10-bit analog to digital converter from Microchip.
It can be used as 8 single ended analog inputs or 4 differential input pairs.
Power supply is 2.7 V to 5 V and its operating temperature is -40 °C to +85 °C.
It has an SPI interface which can be operated in mode 0 or mode 3.