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LC717A10AR Scheda tecnica(PDF) 1 Page - ON Semiconductor |
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LC717A10AR Scheda tecnica(HTML) 1 Page - ON Semiconductor |
1 / 11 page D1912HKPC 20121129-S00004 No.A2161-1/11 http://onsemi.com Semiconductor Components Industries, LLC, 2013 August, 2013 Ver1.0.1 LC717A10AR Overview 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. 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: I 2C * compatible bus or SPI selectable. • Current consumption: 570μA (Typ) (VDD = 2.8V), 1.3mA (Typ) (VDD = 5.5V) • Supply voltage: 2.6V to 5.5V • Detection operations: Switch • Packages: VCT28 Ordering number : ENA2161 CMOS LSI Capacitance-Digital-Converter LSI for Electrostatic Capacitive Touch Sensors * I 2C Bus is a trademark of Philips Corporation. |
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