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LC717A00AR データシート PDF ( 特性, スペック, ピン接続図 )

部品番号 LC717A00AR
部品説明 Capacitance-Digital-Converter LSI
メーカ ON Semiconductor
ロゴ ON Semiconductor ロゴ 

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LC717A00AR Datasheet, LC717A00AR PDF,ピン配置, 機能
Ordering number : ENA2048B
LC717A00AR
CMOS LSI
Capacitance-Digital-Converter LSI
for Electrostatic Capacitive Touch
Sensors
http://onsemi.com
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: I2C * compatible bus or SPI selectable.
* I2C Bus is a trademark of Philips Corporation.
Semiconductor Components Industries, LLC, 2013
August, 2013
Ver1.0.1
D1912HKPC 20121130-S00003/71112HK 20120628-S00001/62012HKPC No.A2048-1/11

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