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PDF LIS202DL Data sheet ( Hoja de datos )

Número de pieza LIS202DL
Descripción MEMS motion sensor
Fabricantes STMicroelectronics 
Logotipo STMicroelectronics Logotipo



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No Preview Available ! LIS202DL Hoja de datos, Descripción, Manual

LIS202DL
MEMS motion sensor
www.datasheet4u.com 2-axis - ±2g/±8g smart digital output “piccolo” accelerometer
Feature
2.16V to 3.6V supply voltage
1.8V compatible IOs
<1mW power consumption
±2g/±8g dynamically selectable Full-Scale
I2C/SPI digital output interface
Programmable interrupt generator
Click and double click recognition
Embedded high pass filter
Embedded self test
10000g high shock survivability
ECOPACK® RoHS and “Green” compliant
(see Section 9)
Description
The LIS202DL is an ultra compact low-power two
axes linear accelerometer. It includes a sensing
element and an IC interface able to provide the
measured acceleration to the external world
through I2C/SPI serial interface.
The sensing element, capable of detecting the
acceleration, is manufactured using a dedicated
process developed by ST to produce inertial
sensors and actuators in silicon.
The IC interface is manufactured using a CMOS
process that allows to design a dedicated circuit
which is trimmed to better match the sensing
element characteristics.
The LIS202DL has dynamically user selectable
full scales of ±2g/±8g and it is capable of
Table 1. Device summary
Part number
Temp range, ° C
LIS202DL
-40 to +85
LIS202DLTR
-40 to +85
LGA-14 (3x5x0.9mm)
measuring accelerations with an output data rate
of 100Hz or 400Hz.
A self-test capability allows the user to check the
functioning of the sensor in the final application.
The device may be configured to generate inertial
wake-up interrupt signals when a programmable
acceleration threshold is crossed at least in one of
the two axes. Thresholds and timing of interrupt
generators are programmable by the end user on
the fly.
The LIS202DL is available in plastic Thin Land
Grid Array package (TLGA) and it is guaranteed
to operate over an extended temperature range
from -40°C to +85°C.
The LIS202DL belongs to a family of products
suitable for a variety of applications:
– Motion activated functions
– Gaming and Virtual Reality input
devices
– Vibration Monitoring and Compensation
Package
LGA
LGA
Packing
Tray
Tape and reel
June 2007
Rev 1
1/36
www.st.com
36

1 page




LIS202DL pdf
LIS202DL
Block diagram & pin description
Table 2. Pin description (continued)
Pin#
Name
Function
www.datasheet4u.com
7
8
9
CS
INT 1
INT 2
SPI enable
I2C/SPI mode selection (1: I2C mode; 0: SPI enabled)
Inertial interrupt 1
Inertial interrupt 2
10
GND
0V supply
11 Reserved Connect to Gnd
SPI Serial Data Output
12
SDO
I2C less significant bit of the device address
SDA
I2C Serial Data (SDA)
13 SDI SPI Serial Data Input (SDI)
SDO
3-wire Interface Serial Data Output (SDO)
SCL I2C Serial Clock (SCL)
14
SPC
SPI Serial Port Clock (SPC)
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LIS202DL arduino
LIS202DL
4 Application hints
Application hints
Figure 3. LIS202DL electrical connection
www.datasheet4u.com
Vdd
6
10uF
Top VIEW
100nF
8
Vdd_IO
1
Y
6
1
X
13
8
13 TOP VIEW
DIRECTION OF THE
DETECTABLE
ACCELERATIONS
GND
Digital signal from/to signal controller.Signal’s levels are defined by proper selection of Vdd_IO
The device core is supplied through Vdd line while the I/O pads are supplied through
Vdd_IO line. Power supply decoupling capacitors (100 nF ceramic, 10 µF Al) should be
placed as near as possible to the pin 6 of the device (common design practice).
All the voltage and ground supplies must be present at the same time to have proper
behavior of the IC (Figure 3: LIS202DL electrical connection). It is possible to remove Vdd
maintaining Vdd_IO without blocking the communication busses, in this condition the
measurement chain is powered off.
The functionality of the device and the measured acceleration data is selectable and
accessible through the I2C/SPI interface.When using the I2C, CS must be tied high while
SDO must be left floating.
The functions, the threshold an the timing of the two interrupt pins (INT 1 and INT 2) can be
completely programmed by the user though the I2C/SPI interface.
4.1 Soldering information
The LGA package is compliant with the ECOPACK, RoHS and “green” standard. It is
qualified for soldering heat resistance according to JEDEC J-STD-020C. Pin #1 indicator is
electrically connected to pin 1. Leave pin 1 indicator unconnected during soldering. Land
pattern and soldering recommendation are available at www.st.com/mems.
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