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LC717A10PJ: Capacitance-Digital-Converter for Electrostatic Capacitive Touch Sensors

Datasheet: Capacitance-Digital-Converter LSI for Electrostatic Capacitive Touch Sensors
Rev. 0 (148kB)
Product Overview
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The LC717A10PJ 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   Benefits
     
  • 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
   
Applications   End Products
  • White goods
  • Black goods
  • PC peripherals
  • Office Automation
 
  • Washing machine
  • Refrigerator
  • Cooking appliances
  • TV
  • Printer
Availability & Samples
Specifications
Case Outlines
Application Diagram
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
LC717A10PJ-AH Active
Pb-free
Halide free
LC717A10PJ SSOP-30 565AZ 3 260 Tape and Reel 1000 $1.6666
Market Leadtime (weeks) : 13 to 16

Product
Description
Pricing ($/Unit)
Compliance
Status
Number of Sensing Inputs
Number of Sensing Outputs
Interface Control
Proximity Sensing
VDD Min (V)
VDD Max (V)
IDD Typ (µA)
Package Type
LC717A10PJ-AH  
 $1.6666 
Pb
H
 Active   
16
0
I2C
SPI
Yes
2.6
5.5
1300
570
SSOP-30
Case Outlines
565AZ   
Packages
LC717A10PJ: Capacitance-Digital-Converter for Electrostatic Capacitive Touch Sensors
LC717A10PJ: Capacitance-Digital-Converter for Electrostatic Capacitive Touch Sensors
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