PART NUMBER: 2g / 4g / 8g Tri-axis Digital KXTF9-2050 Rev. 7 Accelerometer Specifications Jun-2011 Product Description The KXTF9 is a tri-axis +/-2g, +/-4g or +/-8g silicon micromachined accelerometer with integrated orientation, tap/double tap, and activity detecting algorithms. The sense element is fabricated using Kionixs proprietary plasma micromachining process technology. Acceleration sensing is based on the principle of a differential capacitance arising from acceleration-induced motion of the sense element, which further utilizes common mode cancellation to decrease errors from process variation, temperature, and environmental stress. The sense element is hermetically sealed at the wafer level by bonding a second silicon lid wafer to the device using a glass frit. A separate ASIC device packaged with the sense element provides signal conditioning, and intelligent user-programmable application algorithms. The accelerometer is delivered in a 3 x 3 x 0.9 mm LGA 2 plastic package operating from a 1.8 3.6V DC supply. I C interface is used to communicate to TM the chip to configure and check updates to the orientation, Directional Tap detection and activity monitoring algorithms. 36 Thornwood Dr. Ithaca, NY 14850 2010 Kionix All Rights Reserved tel: 607-257-1080 fax:607-257-1146 424-2397-1106241613 www.kionix.com - info kionix.com Page 1 of 49 Not Recommended for New Designs PART NUMBER: 2g / 4g / 8g Tri-axis Digital KXTF9-2050 Rev. 7 Accelerometer Specifications Jun-2011 Functional Diagram X Sensor Y Charge A/D Sensor Amp Z Sensor 5 Vdd 2 Digital I C 1 IO Vdd Digital Engine Filter GND 4 9 10 7 36 Thornwood Dr. Ithaca, NY 14850 2010 Kionix All Rights Reserved tel: 607-257-1080 fax:607-257-1146 424-2397-1106241613 www.kionix.com - info kionix.com Page 2 of 49 Not Recommended for New Designs