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STM8T141 - Single-channel capacitive sensor

Description

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Features

  • Touch or proximity detection (a few centimeters) Built-in driven shield function:.
  • Enhance proximity detection.
  • Protect sensing electrode from noise interference Ultra-low power modes suitable for battery.

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Full PDF Text Transcription

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STM8T141 Single-channel capacitive sensor for touch or proximity detection with shielded sensing electrode Features ■ ■ Touch or proximity detection (a few centimeters) Built-in driven shield function: – Enhance proximity detection – Protect sensing electrode from noise interference Ultra-low power modes suitable for battery applications (11 µA in extreme low power mode) On-chip integrated voltage regulator Environment compensation filter User programmable options include: – Four detection thresholds – Four output modes – Four low power modes – Reference freeze timeout Minimal external components Table 1. Device summary Feature Operating supply voltage Supported interface Operating temperature Packages STM8T141 2.0 V to 5.
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