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General Capacitive Sensor Conditioner

Part Number: NSC2860X
Brand: Novosense


The NSC2860X is an Application-Specific Standard Product (ASSP) chip designed specifically for use in industrial transmitters with 4~20mA current output, 0~5V voltage output, or 0~10V voltage output. Here are the key features and functionalities of the NSC2860X:


  1. Capacitive Pressure Sensor Interface: The NSC2860X is designed to interface with capacitive pressure sensors. It integrates an internal capacitance-to-voltage conversion circuit, allowing it to accurately measure and convert capacitance-based pressure signals.
  2. Output Options: This chip provides multiple output options, including 4~20mA current output, 0~5V voltage output, or 0~10V voltage output. These output options make it versatile and compatible with various industrial instrumentation and control systems.
  3. OWI Interface: The NSC2860X includes an OWI (One-Wire Interface) interface, which enables direct communication via the analog output line. This interface allows for easy calibration and the storage of calibration coefficients after sensor assembly, simplifying the setup and adjustment process.
  4. JFET Controller: The chip integrates a JFET (Junction Field-Effect Transistor) controller. This feature enables the chip to be used directly in standard industrial loop power applications at 24V, eliminating the need for an additional power supply controller. This simplifies the system design and reduces component count.
  5. Proven Reliability: The NSC2860X has a track record of proven reliability and stability in industrial capacitive pressure transmitter applications. It has been widely used in the industrial field and has demonstrated its performance in demanding industrial environments.

In summary, the NSC2860X is a specialized chip tailored for industrial applications that require the interfacing of capacitive pressure sensors and the generation of 4~20mA current output, 0~5V voltage output, or 0~10V voltage output signals. Its OWI interface simplifies calibration and communication tasks, while its JFET controller allows for direct use in 24V loop power applications. This chip’s reliability and stability have been established through its widespread use in industrial settings.


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