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LC717A10AR Datasheet Capacitance-digital-converter Lsi

Manufacturer: SANYO (now Panasonic)

Overview: Ordering number : ENA2161 CMOS LSI LC717A10AR Overview Capacitance-Digital-Converter LSI for Electrostatic Capacitive Touch Sensors The LC717A10AR 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.

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): 30ms (Typ) (at initial configuration), 6ms (Typ) (at minimum interval configuration).
  • External components for measurement: Not required.
  • Interface: I2C.
  • compatible bus or SPI selectable.
  • Current consumption: 570μA (Typ) (VDD.

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