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LC717A00AR Fiches technique(PDF) 1 Page - Sanyo Semicon Device |
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LC717A00AR Fiches technique(HTML) 1 Page - Sanyo Semicon Device |
1 / 11 page D1912HKPC 20121130-S00003/71112HK 20120628-S00001/62012HKPC No.A2048-1/11 Ver1.0.1 * I 2C Bus is a trademark of Philips Corporation. Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer 's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer 's products or equipment. Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment. The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for new introduction or other application different from current conditions on the usage of automotive device, communication device, office equipment, industrial equipment etc. , please consult with us about usage condition (temperature, operation time etc.) prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. LC717A00AR Overview 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 I2C 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. 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 to 5.5V • Detection operations: Switch • Packages: VCT28 • Interface: I 2C * compatible bus or SPI selectable. Ordering number : ENA2048B CMOS LSI Capacitance-Digital-Converter LSI for Electrostatic Capacitive Touch Sensors |
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