PCF8883 IC Proximity Sensor
 

PCF8883 Adalah sensor proximity buatan NXP Phillips yang digunakan sebagai saklar sentuh ( capacitive proximity switch ) dengan

auto-calibration.






http://selonjorinkaki.files.wordpres...3/pcf88831.jpg

http://selonjorinkaki.files.wordpres...datasheet1.jpg
Features

§ Dynamic proximity switch.
§ Digital processing method.
§ Adjustable sensitivity, can be made very high.
§ Adjustable response time.
§ Wide input capacitance range (10 pF to 60 pF).
§ Automatic calibration.
§ A large distance (several meters) between the sensing plate and the IC is possible.
§ Open-drain output (P-type MOSFET, external load between pin and ground).
§ Designed for battery powered applications (I= 3 µA, typical).
§ Output configurable as push-button, toggle, or pulse.
§ Wide voltage operating range (V = 3 V to 9 V).
§ Large temperature operating range (Tamb= -40 °C to +85 °C).
§ Internal voltage regulator.
§ SOIC8 package.

Applications

§ Proximity detection
§ Proximity sensing in Mobile phones
§ Portable entertainment units
§ Switch for medical applications
§ Switch for use in explosive environments
§ Vandal proof switches
§ Transportation: Switches in or under upholstery, leather, handles, mats, and glass
§ Buildings: switch in or under carpets, glass, or tiles
§ Sanitary applications: use of standard metal sanitary parts (e.g. tap) as switch
§ Hermetically sealed keys on a keyboard

Outputnya dapat dipilih sebagai pulsa, toggle atau push button. Tegangan supply-nya 3 Vdc – 9 Vdc.
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