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LC717A10AJ Datasheet Capacitance-Digital-Converter LSI

Manufacturer: onsemi

Overview: LC717A10AJ Capacitance‐Digital‐Converter LSI for Electrostatic Capacitive Touch Sensors Overview The LC717A10AJ is a high-performance and low-cost capacitance-digital-converter LSI for electrostatic capacitive touch sensor, especially focused on usability. It has 16 channels capacitance-sensor input. This makes it ideal for use in the products that need many switches. Since the calibration function and the judgment of ON/OFF are automatically performed in LSI internal, it can make development time more short. A detection result (ON/OFF) for each input can be read out by the serial interface (I2C compatible bus or SPI). Also, measurement value of each input can be read out as 8-bit digital data. Moreover, gain and other parameters can be adjusted using serial interface.

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Key Features

  • Detection System: Differential Capacitance Detection (Mutual Capacitance Type).
  • Input Capacitance Resolution: Can Detect Capacitance Changes in the Femto Farad Order.
  • Measurement Interval (16 Differential Inputs):.
  • 30 ms (Typ) (at Initial Configuration).
  • 6 ms (Typ) (at Minimum Interval Configuration).
  • External Components for Measurement: Not Required.
  • Current Consumption:.
  • 570 mA (Typ) (VDD = 2.8 V).
  • 1.3 mA (Typ) (.

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