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LIS3DHDatasheet PDF
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May 2010 Doc ID 17530 Rev 1 1/42
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LIS3DH
MEMS digital output motion sensor
ultra low-power high performance 3-axes “nano” accelerometer
Features
■ Wide supply voltage, 1.71 V to 3.6 V
■ Independent IOs supply (1.8 V) and supply
voltage compatible
■ Ultra low-power mode consumption
down to 2 µA
■ ±2g/±4g/±8g/±16g dynamically selectable full-
scale
■ I
2
C/SPI digital output interface
■ 16 bit data output
■ 2 independent programmable interrupt
generators for free-fall and motion detection
■ 6D/4D orientation detection
■ Free-fall detection
■ Motion detection
■ Embedded temperature sensor
■ Embedded self-test
■ Embedded 96 levels of 16 bit data output FIFO
■ 10000 g high shock survivability
■ ECOPACK
®
RoHS and “Green” compliant
Applications
■ Motion activated functions
■ Free-fall detection
■ Click/double click recognition
■ Intelligent power saving for handheld devices
■ Pedometer
■ Display orientation
■ Gaming and virtual reality input devices
■ Impact recognition and logging
■ Vibration monitoring and compensation
Description
The LIS3DH is an ultra low-power high
performance three axes linear accelerometer
belonging to the “nano” family, with digital I
2
C/SPI
serial interface standard output. The device
features ultra low-power operational modes that
allow advanced power saving and smart
embedded functions.
The LIS3DH has dynamically user selectable full
scales of ±2g/±4g/±8g/±16g and it is capable of
measuring accelerations with output data rates
from 1 Hz to 5 kHz. The self-test capability allows
the user to check the functioning of the sensor in
the final application. The device may be
configured to generate interrupt signals by two
independent inertial wake-up/free-fall events as
well as by the position of the device itself.
Thresholds and timing of interrupt generators are
programmable by the end user on the fly. The
LIS3DH has an integrated 32-level first in, first out
(FIFO) buffer allowing the user to store data for
host processor intervention reduction. The
LIS3DH is available in small thin plastic land grid
array package (LGA) and it is guaranteed to
operate over an extended temperature range from
-40 °C to +85 °C.
Table 1. Device summary
Order codes
Temp.
range [°C]
Package Packaging
LIS3DH -40 to +85 LGA-16 Tray
LIS3DHTR -40 to +85 LGA-16 Tape and reel
LGA-16
(3x3x1 mm)
www.st.com
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