KXPA4 Series Data Sheet
Accelerometers and Inclinometers
Multiplexed Analog Output
KXPA4-1050 — Tri-Axis XYZ, 2.8V
KXPA4-2050 — Tri-Axis XYZ, 3.3V
APPLICATIONS
Drop Detection
Cell Phones and Handheld PDAs
Gaming and Game Controllers
Gesture Recognition
Inclination and Tilt Sensing
Universal Remote Controls
Theft and Accident Alarms
GPS Recognition Assist
Hard-drive Protection
Pedometers
Image Stabilization
Sports Diagnostics
Vibration Analysis
Static or Dynamic Acceleration
Computer Peripherals
Inertial Navigation and Ded(uctive) Reckoning
Cameras and Video Equipment
FEATURES
PROPRIETARY TECHNOLOGY
These high-performance silicon micromachined linear
accelerometers and inclinometers consists of a sensor
element and an ASIC packaged in a 5x5x1.2mm Dual
Flat No-lead (DFN). The sensor element is fabricated
from single-crystal silicon with proprietary Deep Reactive
Ion Etching (DRIE) processes, and is protected from the
environment by a hermetically-sealed silicon cap wafer at
the wafer level.
Ultra-Small Package — 5x5x1.2mm DFN
Precision Tri-axis Orthogonal Alignment
Multiplexed Analog Output
High Shock Survivability
Excellent Temperature Performance
The KXPA4 series is designed to provide a high signal-to-
noise ratio with excellent performance over temperature.
These sensors can accept supply voltages between 2.7V
and 5.25V. Sensitivity is factory programmable allowing
customization for applications requiring ±1.5g to ±6.0g
ranges. Sensor bandwidth is user-definable.
Low Noise Density
Very Low Power Consumption
Selectable Power Reduction Modes
User Definable Bandwidth
The sensor element functions on the principle of
differential capacitance. Acceleration causes displace-
ment of a silicon structure resulting in a change in ca-
pacitance. An ASIC, using a standard CMOS manufactur-
ing process, detects and transforms changes in capaci-
tance into an analog output voltage, which is proportional
to acceleration. The analog output is also accessed
through an on-board 3 channel multiplexor. The sense
element design utilizes common mode cancellation to
Factory Programmable Offset
and Sensitivity
Self-test Function
decrease
errors
from
process
variation
and
environmental stress.
Precision in Motion
36 Thornwood Dr. - Ithaca, NY 14850 USA tel: 607-257-1080 - fax: 607-257-1146 - www.kionix.com - info@kionix.com
“Kionix” is a registered trademark of Kionix, Inc. Products described herein are protected by patents issued or pending. Information provided in this document is believed to
be accurate and reliable but is not guaranteed. Kionix does not assume responsibility for its use or distribution. No license is granted by implication or otherwise under any
patent or other rights of Kionix. Kionix reserves the right to change product specifications or discontinue this product at any time without prior notice.
© Kionix 2006 Rev 0.5
April 27, 2006
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