The EVAL-AD7147EBZ is an evaluation board for AD7147 (SPI Interface) CapTouch programmable controller for single electrode capacitance sensors. The AD7147 CapTouch controller is designed for use with capacitance sensors implementing functions such as buttons, scroll bars and wheels. The evaluation software allows the user to test the capacitance sensors and allows data to be read from and written to the AD7147. The board is powered via the USB connection to the host PC. The evaluation software should be installed on the PC before the board is plugged in. The main component on the board is the AD7147 capacitive to digital converter. It is connected to six capacitance sensors (one slider and five buttons) and allows the user to evaluate a variety of sensors that may be suitable for a particular application. An ADuC841 microcontroller is also on the evaluation board. This microcontroller sets up and controls the AD7147 over an SPI interface.
- SPI compatible serial interface
- Connects to the USB port of any PC
- Self contained evaluation system
- Onchip automatic calibration logic
- 128 position slider and 5 button cross shape sensor
- Connection for prototype sensor PCBs
- Test points for easy access to signals
- SPI compatible serial interface
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(EN)
