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LC717A10AR: 用于静电电容式触摸传感器的电容-数字转换器

Datasheet: Capacitance-Digital-Converter LSI for Electrostatic Capacitive Touch Sensors
Rev. 1 (133kB)
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LC717A10AR 是一款高性能低成本电容-数字转换器 LSI,用于静电电容式触摸传感器,尤其关注易用性。它具有 16 沟道电容传感器输入。因此适用于需要很多开关的产品。因为校准功能和开/关判断在 LSI 内部自动完成,所以可以缩短开发时间。每个输入的检测结果(开/关)通过串行接口(I2C 兼容总线或 SPI)读取。另外,每个输入的测量值可读取为 8 位数字数据。而且,增益和其他参数可使用串行接口进行调节。
特性   优势
     
  • Detection system: Differential capacitance detection (Mutual capacitance type)
 
  • High sensitivity performance - even wearing multiple layers of gloves, air gap, or thick materials
  • Input capacitance resolution: Can detect capacitance changes in the femto Farad order
 
  • Design friendly - can be connected directly to a familiar MCU and execute stand alone operation
  • Measurement interval (16 differential inputs):
    30ms (Typ) (at initial configuration),
    6ms (Typ) (at minimum interval configuration)
 
  • Automated built-in noise and environmental change compensation function technology
  • External components for measurement: Not required
   
  • Interface: I2C compatible bus or SPI selectable.
   
  • Current consumption: 570 µA (Typ) (VDD = 2.8 V), 1.3 mA (Typ) (VDD = 5.5 V)
   
  • Supply voltage: 2.6 V to 5.5 V
   
  • Detection operations: Switch
   
应用   终端产品
  • White goods
  • Black goods
  • PC peripherals
  • Office Automation
 
  • Washing machine
  • Refrigerator
  • Cooking appliances
  • TV
  • Printer
评估/开发工具信息
产品 状况 Compliance 简短说明 行动
STR-SENSORS-GEVK Active
Pb-free
Strata Enabled Multi-Sensor Board
产品
状况
Compliance
具体说明
封装
MSL
容器
预算价格 (1千个数量的单价)
类型
外形
类型
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类型
数量
LC717A10AR-NH Lifetime
Pb-free
Halide free
LC717A10AR VCT-28 601AE 3 260 Tape and Reel 2000 $1.2398
市场订货至交货的时间(周) : Contact Factory
外形
601AE   
封装
LC717A10AR: 用于静电电容式触摸传感器的电容-数字转换器
LC717A10AR: 用于静电电容式触摸传感器的电容-数字转换器
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