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ZSSC3230 - Capacitive Sensor Signal Conditioner

Description

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

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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Datasheet preview – ZSSC3230

Datasheet Details

Part number ZSSC3230
Manufacturer Renesas
File Size 820.17 KB
Description Capacitive Sensor Signal Conditioner
Datasheet download datasheet ZSSC3230 Datasheet
Additional preview pages of the ZSSC3230 datasheet.

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Full PDF Text Transcription

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Capacitive Sensor Signal Conditioner IC ZSSC3230 Datasheet 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. The interface is used for the PCcontrolled calibration procedure, which programs the set of calibration coefficients in memory.
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