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Features
- Up to 8 capacitances in grounded mode
- Up to 4 capacitances in floating mode (potential-free and with zero bias voltage)
- Compensation of internal (grounded) and external parasitic capacities (floating)
- High resolution:
- Up to 6 aF at 5 Hz and 10 pF base capacitance, 17 bit resolution at 5 Hz with 100 pF base capacitance and 10 pF excitation
- High measurement rate, up to 500 kH
- Extremely low current consumption possible, down to 4 μA at 3 Hz with 13.4 bit resolution
- High stability with temperature, low offset drift (down to 30 aF per Kelvin), low gain
- Internal temperature measurement (25 mK resolution) or dedicated ports for precision temperature measurement with Pt1000 sensors (5 mK resolution)
- Serial peripheral interface (SPI compatible)
- Inter-Integrated Circuit Interface (I2C compatible)
- No need for a clock
- RISC processor core using Harvard architecture: ƒƒ48 x 48 bit RAM Data
- 4k x 8 bit volatile program memory for highspeed operation (40 to 100 MHz)
- 4k x 8 bit non-volatile (OTP) program memory
- Single power supply (2.1 to 3.6 V)
- QFN24 or QFN32 package
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Datasheets
