Eindhoven, Netherlands and Zurich, Switzerland (PRWEB) September 03, 2013
NXP Semiconductors N.V. (NASDAQ: NXPI) today announced a complete family of self-calibrating capacitive touch and proximity switches designed for harsh environments. The PCF8883 and PCF8885, along with the automotive-grade PCA8885 and PCA8886, enable robust sensing despite dust, moisture, grease and other types of contamination building up on the touch area, and offer high immunity to sudden temperature changes and to electromagnetic interference. Using digital signal processing to detect changes in capacitance on a remote sensing plate, NXP’s capacitive touch switches eliminate the need for a microcontroller and firmware for post-processing. With very low power consumption – typically 3 μA per channel – NXP’s capacitive touch and proximity switches can also run continuously, with no complicated power-down and wake-up schemes required.
The sampling frequency and response times are easily adjustable, allowing designers to configure the PCF8883, PCF8885, PCA8885 and PCA8886 for a wide range of industrial and automotive applications. The single-channel PCF8883 and dual-channel PCA8886 can be used as touch switches, or as proximity sensors which wake up and reactivate the system from power-down mode. The multi-channel PCF8885 can be used as a slider, as a rotary wheel and for dedicated touch keys. A brief video demonstration is available here: http://youtu.be/-0ZivxzYbEI
NXP’s highly robust capacitive touch and proximity switches are ideal for applications using touch screen control panels, including:
"Thanks to smartphones, consumers have come to expect the convenience of touch screens to control a whole host of other devices. With our self-calibrating capacitive touch and proximity switches, NXP is making it straightforward for leading appliance makers, automotive suppliers and other equipment manufacturers to bring touch controls and LCD displays together – with minimal overhead. Through extensive testing, we’ve also been able to demonstrate the robustness of our solution, even in extreme environmental conditions," said Grahame Cooney, general manager of high-speed interfaces and clock, watches and graphic drivers, NXP Semiconductors. "With world-class LCD drivers, LED controllers, real-time clocks, GPIOs and capacitive touch sensors, NXP offers a comprehensive portfolio of very low power interface solutions that also deliver accuracy, clarity, robustness and reliability over time."
Features specific to PCF8883 and PCA8886
Features specific to PCF8885 and PCA8885
About NXP Semiconductors
NXP Semiconductors N.V. (NASDAQ: NXPI) creates solutions that enable secure connections for a smarter world. Building on its expertise in High Performance Mixed Signal electronics, NXP is driving innovation in the automotive, identification and mobile industries, and in application areas including wireless infrastructure, lighting, healthcare, industrial, consumer tech and computing. NXP has operations in more than 25 countries, and posted revenue of $4.36 billion in 2012. Find out more at http://www.nxp.com.
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