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PDF L3G4IS Data sheet ( Hoja de datos )
| Número de pieza | L3G4IS | |
| Descripción | MEMS motion sensor | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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L3G4IS
MEMS motion sensor:
three-axis digital output gyroscope for gaming and OIS
Preliminary data
Features
■ Three selectable full-scales (250/500/2000
dps) for gaming applications
■ ± 65 dps full-scale for OIS applications
■ Independent I2C and SPI digital interfaces
■ Embedded temperature sensor
■ Integrated low- and high-pass filters with user-
selectable bandwidth
■ Wide supply voltage range: 2.4 V to 3.6 V
■ Low voltage-compatible IOs (1.8 V)
■ Power-down and sleep mode for smart power
saving
■ Embedded FIFO (first-in first-out buffer)
■ ECOPACK® RoHS and “Green” compliant
Applications
■ Gaming and virtual reality input devices
■ Optical image stabilization
■ Motion control and gesture recognition
■ GPS navigation systems
LGA-16 (4x4x1 mm)
scale can be activated by powering two separate
pins, the internal ASIC blocks automatically detect
and enable the selected device configuration.
The unique sensing element is manufactured
using a dedicated micro-machining process
developed by STMicroelectronics to produce
inertial sensors and actuators on silicon wafers.
The L3G4IS is available in a plastic land grid array
(LGA) package and can operate within a
temperature range of -30 °C to +85 °C.
Description
The L3G4IS is the first three-axis MEMS
gyroscope that enables both user interface and
image stabilization applications at the same time.
Thanks to two different independent reading
chains and digital interfaces, the L3G4IS delivers
previously unseen levels of flexibility to the end
user.
Each reading chain and the corresponding full-
Table 1. Device summary
Order code
Temperature range (°C)
L3G4IS
L3G4ISTR
-30 to +85
-30 to +85
Package
LGA-16 (4x4x1)
LGA-16 (4x4x1)
Packing
Tray
Tape and reel
December 2011
Doc ID 022612 Rev 1
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
1/24
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L3G4IS
Block diagram and pin description
1 Block diagram and pin description
Figure 1. Block diagram
Actuation Interface
C- V
converter
SC filter
ADC
BW Selection
Digital
filters
SPI
OIS Reading Chain
1.1
Actuation Interface
C- V
converter
Full scale
Selection
SC filter
ADC
BW Selection
Digital
filters
I2C
FIFO
UI Reading Chain
AM10234V1
Pin description
Figure 2. Pin connection
+Ω Z
X
+Ω Y
+Ω X
(TOP VIEW)
DIRECTIONS OF THE
DETECTABLE
ANGULAR RATES
13
CS_OIS 12
16
1
SCL_OIS
SDI/SDO_OIS
BOTTOM
VIEW
Res 9
8
4
5
Vdd_IO_SPI
SCL
SDA
GND
AM10235v1
Doc ID 022612 Rev 1
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L3G4IS
User interface mode specifications
4.3 Temperature sensor characteristics
@ AVdd = 2.8 V, T = 25 °C unless otherwise noted(c).
Table 6. Electrical characteristics
Symbol
Parameter
Test condition
TSDr
TODR
Top
Temperature sensor
output change vs.
temperature
Temperature refresh rate
Operating temperature
range
-
1. Typical specifications are not guaranteed.
Min.
-30
Typ.(1)
-1
1
Max.
Unit
°C/digit
Hz
+85 °C
4.4
Absolute maximum ratings
Stresses above those listed as “absolute maximum ratings” may cause permanent damage
to the device. This is a stress rating only and functional operation of the device under these
conditions is not implied. Exposure to maximum rating conditions for extended periods may
affect device reliability.
Table 7. Absolute maximum ratings(1)
Symbol
Ratings
AVdd Supply voltage
HAVdd Supply voltage
Vdd_IO_SPI Vdd IO SPI interface
Vin(UI)
Input voltage on:
(SCL, SDA, INT, DRDY)
Input voltage on:
Vin(OIS)
(CS_OIS, SDI/SDO_OIS, SCL_OIS)
TSTG
Sg
Storage temperature range
Acceleration g for 0.1 ms
ESD Electrostatic discharge protection
1. Supply voltage on any pin should never exceed 4.8 V.
Maximum value
-0.3 to 4.8
-0.3 to 4.8
-0.3 to HAVdd +0.1
-0.3 to AVdd +0.1
-0.3 to Vdd_IO_SPI
+0.1
-40 to +125
10,000
2 (HBM)
1.5 (CDM)
200 (MM)
Unit
V
V
V
V
V
°C
g
kV
kV
V
c. The product is factory calibrated at 3.3 V.
Doc ID 022612 Rev 1
11/24
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