PCAP01A DICE

ADCs/DACs - Special Purpose Overview

The PCAP01A DICE is a capacitive-to-digital converter featuring an integrated digital signal processor based on the patented PICOCAP measurement principle. It operates on a single supply voltage ranging from 2.1 V to 3.6 V and utilizes a CMOS-based digital measurement architecture. The device supports both grounded and floating sensor configurations, offering high resolution of up to 6 aF at 5 Hz with a 10 pF base capacitance. It includes a RISC processor core with Harvard architecture, providing 4k x 8-bit volatile program memory and 4k x 8-bit non-volatile OTP memory for firmware execution.

ADCs/DACs - Special Purpose Feature Summary

• Integrated RISC processor with Harvard architecture (48x48 bit RAM, 4kx8 bit volatile/OTP program memory)
• High-resolution capacitive sensing: 6 aF resolution at 5 Hz with 10 pF base capacitance
• Supports grounded and floating single/differential sensors with internal/external stray capacitance compensation
• Dedicated port for precise temperature measurement using Pt1000 sensors

ADCs/DACs - Special Purpose Applications

• Density and level sensors
• Humidity sensing

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific suffix 'A DICE' against official ScioSense documentation to confirm package type and tape-and-reel specifications. Ensure firmware requirements align with the provided open-source versions for capacitance ratio or linearized temperature-compensated results. Confirm operating voltage compatibility within the 2.1 V to 3.6 V range for the target system design.

ADCs/DACs - Special Purpose Selection Notes

Select this component when high-resolution capacitive measurement with embedded digital processing is required. The device is suitable for applications needing low power consumption, such as 4 µA at 13.4-bit resolution. Consider the available OTP memory for storing custom calibration data or specific signal processing algorithms. Evaluate the need for floating vs. grounded sensor interfaces based on system grounding constraints.

ADCs/DACs - Special Purpose Part Context

The PCAP01 series represents ScioSense's solution for precision capacitive sensing with integrated digital signal processing. The PICOCAP technology enables fast conversion times down to 2 µs while maintaining high resolution. This family is designed to simplify system integration by handling raw data processing internally, reducing the burden on the main host microcontroller.

ADCs/DACs - Special Purpose Replacement Considerations

No publicly confirmed substitute part numbers are available in the provided source material. Verify pinout and software compatibility if considering alternative capacitive-to-digital converters from other manufacturers.