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ZSSC3123 - Capacitive Sensor Signal Conditioner

Datasheet Summary

Description

The ZSSC3123 is a CMOS integrated circuit for accurate capacitance-to-digital conversion and sensor-specific correction of capacitive sensor signals.

Features

  • Maximum target input capacitance: 260pF.
  • Sampling rates as fast as 0.7ms at 8-bit resolution; 1.6ms at 10-bit; 5.0ms at 12-bit; 18.5ms at 14-bit.
  • Digital compensation of sensor: piece-wise 1st and 2nd order sensor compensation or up to 3rd order single-region sensor compensation.
  • Digital compensation of 1st and 2nd order temperature gain and offset drift.
  • Internal temperature compensation reference (no external components).
  • Programmable capacitance span and offset.

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Datasheet Details

Part number ZSSC3123
Manufacturer Renesas
File Size 1.68 MB
Description Capacitive Sensor Signal Conditioner
Datasheet download datasheet ZSSC3123 Datasheet
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ZSSC3123 cLiteTM Capacitive Sensor Signal Conditioner Datasheet Description The ZSSC3123 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 non-volatile EEPROM. The ZSSC3123 is configurable for capacitive sensors with capacitances up to 260pF and a sensitivity of 125aF/LSB to 1pF/LSB depending on resolution, speed, and range settings. It is compatible with both single capacitive sensors (both terminals must be accessible) and differential capacitive sensors.
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