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    | Partname: | CS209AYDR14 |  
    | Description: | Proximity detector |     
    | Manufacturer: | Cherry Semiconductor |  
    | Package: | 14L SO Narrow |  
    | Pins: | 14 |  
    | Oper. temp.: | -40 to 150 |  
    | Datasheet: | PDF (166K). Click here to download *) |  
    The CS209A is a bipolar monolithic integrated circuit for use in metal detection/proximity sensing applications. The IC (see block diagram) contains two on-chip current regulators, oscillator and low-level feedback circuitry, peak detection/demodulation circuit, a comparator and two complementary output stages.  |  
    
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    Click here to download CS209AYDR14 Datasheet*) | 
  
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