首页产品索引LC717A00AR

    LC717A00AR

    购买收藏
     Capacitance-Digital-Converter for Electrostatic Capacitive Touch Sensors

    制造商:ON

    中文数据手册

    产品信息

    The LC717A00AR 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. In addition, since initial settings of parameters, such as gain, are configured, LC717A00AR can operate as stand-alone when the recommended switch pattern is applied. Also, since LC717A00AR has a serial interface compatible with I
    C and SPI bus, parameters can be adjusted using external devices whenever necessary. Moreover, outputs of the 8-input capacitance data can be detected and measured as 8-bit data.
    • 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: 320 µA (Typ) (V
    • = 2.8 V), 740 µA (Typ) (V
    • = 5.5 V)
    • Supply voltage: 2.6 V to 5.5 V
    • Detection operations: Switch
    • Interface: I
    • C compatible bus or SPI selectable.

    在线购买

    型号制造商描述购买
    LC717A00AR-NHONCapacitive Touch Buttons 28-VCT (3.5x3.5) 立即购买

    技术资料

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