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ZSSC3230 Datasheet Capacitive Sensor Signal Conditioner

Manufacturer: Renesas

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General Description

The ZSSC3230 is a CMOS integrated circuit for accurate capacitance-to-digital conversion and sensor-specific correction of capacitive sensor signals.

Digital compensation of sensor offset, sensitivity, and temperature drift is accomplished via an internal digital signal processor running a correction algorithm with calibration coefficients stored in a nonvolatile, multiple-time programmable (NVM) memory.

Programming the ZSSC3230 is simple via the serial interface.

Overview

Capacitive Sensor Signal Conditioner IC ZSSC3230 Datasheet.

Key Features

  • Low current consumption: 1.3µA at 1 sample per second.
  • Maximum target input capacitance: 30pF.
  • Programmable capacitance span and offset.
  • High sampling rate with 2ms at 14-bit resolution.
  • ADC resolution: Adjustable in speed and resolution, 18-bit maximum.
  • Internal auto-compensated temperature sensor; not stress sensitive.
  • Programmable measurement sequence, single-shot and automatic cycling of measurements with end-of-sequence interrupt output.
  • Oversampling.

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