The EVAL-AD7152EBZ is an evaluation kit for AD7152, ultralow power capacitance converter. The AD7152 evaluation kit is a powerful tool for exploring and evaluating the AD7152 features at many different levels. The board is connected to a PC via a standard USB interface. The PC software allows the graphical display of real time data, modification of the AD7152 internal settings, and generally assists in understanding the part features and performance. The flexible interface structure of the evaluation board allows it to be connected in a number of useful configurations. The digital section of the evaluation board can be used independently as a convenient digital interface for a user's own sensor design PCB or as a module containing the AD7152. Alternatively, an external microcontroller can be interfaced to the AD7152 and thus the evaluation board can act as a complete analog front end for creating and debugging software on the user's own digital platform.
- Interfaces to floating sensors
- Resolution down to 0.25fF (that is, up to 12 ENOB)
- Common mode (not changing) capacitance up to 5pF
- Four capacitance ranges selectable per operation mode
- Tolerant of parasitic capacitance to ground up to 50pF
- 2 wire serial interface (I2C compatible)
- Internal clock oscillator
- 100μA current consumption
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