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LC717A00AJ - Capacitance-Digital-Converter LSI

Features

  • Detection system: Differential capacitance detection (Mutual capacitance type).
  • Input capacitance resolution: Can detect capacitance changes in the femto Farad order.
  • Measurement interval (8 differential inputs): 18ms (Typ) (at initial configuration), 3ms (Typ) (at minimum interval configuration).
  • External components for measurement: Not required.
  • Current consumption: 320μA (Typ) (VDD = 2.8V), 740μA (Typ) (VDD = 5.5V).
  • Supply voltage: 2.6V t.

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Full PDF Text Transcription

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Ordering number : ENA2089A CMOS LSI LC717A00AJ Overview Capacitance-Digital-Converter LSI for Electrostatic Capacitive Touch Sensors The LC717A00AJ is a high-performance, low-cost capacitance-digital-converter LSI for electrostatic capacitive touch sensor, especially focused on usability. It has 8 channels capacitance-sensor input. The built-in logic circuit can detect the state (ON/OFF) of each input and output the result. This makes it ideal for various switch applications. The calibration function is automatically performed by the built-in logic circuit during power activation or whenever there are environmental changes.
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