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STMicroelectronics Electronic Components Datasheet

L2G3IS Datasheet

MEMS motion sensor

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L2G3IS
MEMS motion sensor:
two-axis digital output gyroscope for optical image stabilization
Datasheet - production data
LGA-16 (3x3.5x1 mm)
Features
±65 dps / ±130 dps full-scale range
SPI digital interface
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 modes for smart power
saving
ECOPACK®, RoHS and “Green” compliant
Description
The L2G3IS is a two-axis MEMS gyroscope for
optical image stabilization applications.
It includes a sensing element and an IC interface
capable of providing the measured angular rate to
the external world through an SPI digital interface.
The unique sensing element is manufactured
using a dedicated micromachining process
developed by STMicroelectronics to produce
inertial sensors and actuators on silicon wafers.
The IC interface is manufactured using a CMOS
process that allows a high level of integration to
design a dedicated circuit which is trimmed to
better match the sensing element characteristics.
The L2G3IS is available in a plastic land grid
array (LGA) package and can operate over a
temperature range of -40 °C to +85 °C.
Applications
Optical image stabilization
Order code
L2G3IS
L2G3ISTR
Table 1. Device summary
Temperature range (°C)
Package
-40 to +85
LGA-16 (3x3.5x1)
-40 to +85
LGA-16 (3x3.5x1)
Packing
Tray
Tape and reel
December 2013
This is information on a product in full production.
DocID024950 Rev 3
1/26
www.st.com


STMicroelectronics Electronic Components Datasheet

L2G3IS Datasheet

MEMS motion sensor

No Preview Available !

Contents
Contents
L2G3IS
1 Block diagrams and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.1 Digital block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2 Terminology & functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.1 Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.2 Zero-rate level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.3 Synchronous reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.4 Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 Mechanical and electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . 9
3.1 Mechanical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.3 Temperature sensor characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.4 SPI - serial peripheral interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.5 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4 Application hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5 Digital interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.1 SPI bus interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.1.1 SPI write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.1.2 SPI read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6 Output register mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7 Register description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7.1 OUT_X_L (03h), OUT_X_H (04h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7.2 OUT_Y_L (05h), OUT_Y_H (06h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7.3 STATUS_REG (09h) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7.4 CTRL_REG1 (0Bh) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7.5 CTRL_REG2 (0Ch) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
7.6 CTRL_REG3 (0Dh) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2/26 DocID024950 Rev 3


Part Number L2G3IS
Description MEMS motion sensor
Maker STMicroelectronics
Total Page 26 Pages
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