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LIS244AL Schematic ( PDF Datasheet ) - STMicroelectronics

Teilenummer LIS244AL
Beschreibung MEMS motion sensor
Hersteller STMicroelectronics
Logo STMicroelectronics Logo 




Gesamt 15 Seiten
LIS244AL Datasheet, Funktion
www.datasheet4u.com
LIS244AL
MEMS motion sensor:
2-axis - ±2g ultracompact linear accelerometer
Features
Single voltage supply operation
± 2g full-scale
Output voltage, offset and sensitivity are
ratiometric to the supply voltage
Factory trimmed device sensitivity and offset
Embedded self test
ECOPACK lead-free compliant
High shock survivability (10000g)
Description
The LIS244AL is an ultra compact consumer low-
power two-axis linear accelerometer that includes
a sensing element and an IC interface able to take
the information from the sensing element and to
provide an analog signal to the external world.
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 high level of integration to design a
dedicated circuit which is trimmed to better match
the sensing element characteristics.
LGA 16 (4x4x1.5mm)
The LIS244AL is capable of measuring
accelerations over a maximum bandwidth of
2.0kHz. The device bandwidth may be reduced by
using external capacitances. A self-test capability
allows the user to check the functioning of the
system.
The LIS244AL is available in Land Grid Array
package (LGA) and it is guarantee to operate over
an extended temperature range of -40°C to
+85°C.
The LIS244AL belongs to a family of products
suitable for a variety of applications:
– Mobile terminals
– Gaming and Virtual Reality input devices
– Antitheft systems and Inertial Navigation
– Appliance and Robotics.
Table 1. Device summary
Order codes
Temp range, ° C
LIS244AL
-40°C to +85°C
LIS244ALTR
-40°C to +85°C
Package
LGA-16
LGA-16
Note:
Tape & Reel parts are compliant to International Standard EIA-481.
Packing
Tray
Tape & Reel
June 2007
Rev 1
1/15
www.st.com
15






LIS244AL Datasheet, Funktion
Mechanical and electrical specifications
LIS244AL
2.2 Electrical characteristics
www.datasheet4u.com
(Temperature range -40°C to +85°C) All the parameters are specified @ Vdd =3.0V, T=25°C
unless otherwise noted
Table 4. Electrical characteristics(1)
Symbol
Parameter
Test condition
Min.
Typ.(2)
Max. Unit
Vdd Supply voltage
2.4 3.0
Idd Supply current
0.65
Vst Self test input
Logic 0 level
Logic 1 level
0
2.0
Rout
Output impedance
of Voutx, Vouty
32
1. The product is factory calibrated at 3.0V
2. Typical specifications are not guaranteed
Note:
Minimum resonance frequency Fres=4.0kHz. Device
bandwidth=1/(2*π*32k*Cload)
3.6 V
mA
0.8 V
Vdd V
k
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LIS244AL pdf, datenblatt
Package information
5 Package information
LIS244AL
www.datasheet4u.com
In order to meet environmental requirements, ST offers these devices in ECOPACK®
packages. These packages have a Lead-free second level interconnect. The category of
second Level Interconnect is marked on the package and on the inner box label, in
compliance with JEDEC Standard JESD97. The maximum ratings related to soldering
conditions are also marked on the inner box label. ECOPACK is an ST trademark.
ECOPACK specifications are available at: www.st.com.
12/15

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