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ADA03 PDF预览

ADA03

更新时间: 2024-10-28 00:04:27
品牌 Logo 应用领域
其他 - ETC /
页数 文件大小 规格书
5页 100K
描述
1-CH CAPACITIVE TOUCH SENSER IC

ADA03 数据手册

 浏览型号ADA03的Datasheet PDF文件第2页浏览型号ADA03的Datasheet PDF文件第3页浏览型号ADA03的Datasheet PDF文件第4页浏览型号ADA03的Datasheet PDF文件第5页 
ADA03 Capacitive Touch Sensor with Self-Calibration mode  
Dec. 2004  
Chemtronics  
ADA03  
1-CH Capacitive Touch Sensor with Self-Calibration Mode  
General Description  
General Feature  
1-Channel Capacitive Sensor with self calibration.  
Projects a 'touch button' through any dielectric,  
Sensitivity selection with a external capacitor.  
Open-Drain Digital Output.  
The ADA03 touch sensor is designed specifically for detecting  
of capacitance variation in sense node, and it is detecting 0.1pF  
capacitance difference as compared with average capacitance. It  
will project a sense field through almost any dielectric material  
and detect the capacitance variation in sense node. Its sense  
module can be sealed from water or dust perfectly.  
Application  
Fluid level sensing  
Also the device works in the very low power condition, supply  
voltage, 2.5V and 30uA.  
Switch replacement  
Human presence detection  
Human interface for Toys & interactive games  
Switch for light controls.  
Membrane switch replacement  
Sealed control panels, keypads  
Package (SOT26)  
Output  
VDD  
C_DEG  
GND  
R_bias  
Input_cs  
PIN Description  
Pin name  
Output  
Vdd  
R_bias  
Input_Cs  
Gnd  
Function  
Protection  
Vdd  
Output of Open Drain  
Supply Voltage( 2.5V – 5.5V)  
Set a Bias Current  
Sensor Capacitance input  
Ground  
Vdd  
Vdd  
C_deg  
Sensitivity level selection( 5 level)  
Vdd  
1
© 2004 chem tronics  

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