KXTIA-1006 Datasheet, PDF (1/63 Pages) List of Unclassifed Manufacturers – Tri-axis Digital Accelerometer Specifications

± 2g / 4g / 8g Tri-axis Digital
Accelerometer Specifications
PART NUMBER:
KXTIA-1006
Rev. 4
Dec-2012
Product Description
The KXTIA 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
Kionix’s 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 plastic package operating from a
1.8 – 3.6V DC supply. Voltage regulators are used to maintain
constant internal operating voltages over the range of input supply voltages. This results in stable
operating characteristics over the range of input supply voltages and virtually undetectable ratiometric
error. The SPI digital protocol is used to communicate with the chip to configure and check for updates
to the orientation, Directional Tap^TM detection and activity monitoring algorithms.
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