The first device in the maXTouch family of capacitive touchscreen controller ICs, the mXT224, has 224 nodes that allow it to accurately report the positions of unlimited, simultaneous touches and it can completely redraw the screen every 4/1000 of a second (4 ms). The mXT224’s large number of nodes and fast performance makes it suitable for advanced touchscreen functionality, such as rejection of unintended touches, stretch/pinch and rotate gestures, handwriting and shape recognition such as face detection on mobile phones, mobile Internet devices (MID) and netbook screens surpassing 10 inches. The device offers a video-quality screen refresh rate of 250 Hz. The mXT224 is claimed as the first capacitive touchscreen IC that supports the use of a stylus for drawing or signature capture and character recognition, thanks to its 80:1 signal-to-noise ratio (SNR) and extremely fast refresh rate. The mXT224 IC is available now in a 5x5-mm BGA package and is priced at $4.75 each in lots of 1 million. ATMEL CORP., San Jose, CA. (408) 441-0311.
Company: ATMEL CORP.
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