L3G4IS Datasheet PDF - STMicroelectronics

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L3G4IS
STMicroelectronics

Part Number L3G4IS
Description MEMS motion sensor
Page 24 Pages


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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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Contents
Contents
L3G4IS
1 Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1 Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.2 Zero-rate level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3 Working mode selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4 User interface mode specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.1 Mechanical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.3 Temperature sensor characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.4 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5 Image stabilization (OIS mode) specifications . . . . . . . . . . . . . . . . . . . 13
5.1 Mechanical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5.3 Temperature sensor characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5.4 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6 Application hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6.1 Power supply configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6.1.1 Configuration 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6.1.2 Configuration 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.1.3 Configuration 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.1.4 Configuration 4 (case use) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
7 Soldering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
8 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
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L3G4IS
List of tables
List of tables
Table 1.
Table 2.
Table 3.
Table 4.
Table 5.
Table 6.
Table 7.
Table 8.
Table 9.
Table 10.
Table 11.
Table 12.
Table 13.
Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Operating mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Mechanical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Mechanical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
External components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
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List of figures
List of figures
L3G4IS
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
L3G4IS electrical connections and external component values . . . . . . . . . . . . . . . . . . . . . 16
L3G4IS power supply configuration 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
L3G4IS power supply configuration 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
L3G4IS power supply configuration 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
L3G4IS power supply configuration 4 (case use) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
LGA-16: mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
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