The MCP3204-BI/SL is a 12-bit Analogue-to-Digital Converter with SPI serial interface combines high performance and low power consumption. The MCP3204 features a successive approximation register (SAR) architecture and an industry-standard SPI™ serial interface, allowing 12-bit ADC capability to be added to any PICmicro® microcontroller. The MCP3204 features 100k samples/second, 4 input channels, low power consumption (5nA typical standby, 400µA maximum active). Applications for the MCP3204 includes data acquisition, multi-channel data loggers and robotics.