LIS332AXTR STMicroelectronics, LIS332AXTR Datasheet

IC ACCELEROMETER 3AXIS LP 16LGA

LIS332AXTR

Manufacturer Part Number
LIS332AXTR
Description
IC ACCELEROMETER 3AXIS LP 16LGA
Manufacturer
STMicroelectronics
Datasheet

Specifications of LIS332AXTR

Package Type
LGA
Operating Supply Voltage (min)
2.16V
Operating Supply Voltage (typ)
3V
Operating Supply Voltage (max)
3.6V
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Product Depth (mm)
3mm
Product Height (mm)
1mm
Product Length (mm)
3mm
Mounting
Surface Mount
Pin Count
16
Sensing Axis
X, Y, Z
Acceleration
2 g
Sensitivity
0.363 V/g
Package / Case
LGA-16
Output Type
Linear
Supply Voltage (max)
3.6 V
Supply Voltage (min)
2.16 V
Supply Current
300 uA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Digital Output - Bus Interface
IC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-11074-2
LIS332AXTR
Features
Applications
Description
The LIS332AX is an ultracompact low-power 3-
axis linear accelerometer that includes a sensing
element and an IC interface 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.
Table 1.
February 2010
Single voltage supply operation
±2 g full-scale
Excellent stability over temperature
Absolute 0-g level and sensitivity
Factory-trimmed device sensitivity and
0-g level
Power-down mode
Embedded self-test
10000 g high shock survivability
ECOPACK® RoHS and “Green” compliant
(see
Tilting applications
Free-fall detection
Gaming
Anti-theft systems
Inertial navigation and motion tracking
3-axis ±2 g absolute analog-output ultracompact accelerometer
Part number
LIS332AXTR
Section
LIS332AX
Device summary
7)
Temperature range, ° C
-40°C to +85°C
-40°C to +85°C
Doc ID 16932 Rev 1
The IC interface is manufactured using a CMOS
process that allows a high level of integration to
design a dedicated circuit trimmed to better match
the sensing element characteristics.
The LIS332AX has a full-scale of
capable of measuring accelerations over a
maximum bandwidth of 2.0 kHz. The device
bandwidth may be reduced by using external
capacitors. The self-test capability allows the user
to check the functioning of the system.
ST is already in the field with several hundred
million sensors which have received excellent
acceptance from the market in terms of quality,
reliability and performance.
The LIS332AX is provided in a plastic land grid
array (LGA) package.
Several years ago ST successfully pioneered the
use of this package for accelerometers. Today, ST
has the widest manufacturing capability and
strongest expertise in the world for production of
sensors in plastic LGA packages.
Package
LGA-16
LGA-16
LGA-16 (3x3x1.0mm)
MEMS inertial sensor:
Tape and reel
Packing
LIS332AX
Tray
±
2 g, and is
www.st.com
1/14
14

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LIS332AXTR Summary of contents

Page 1

... Table 1. Device summary Temperature range, ° C Part number LIS332AX LIS332AXTR February 2010 The IC interface is manufactured using a CMOS process that allows a high level of integration to design a dedicated circuit trimmed to better match the sensing element characteristics. The LIS332AX has a full-scale of capable of measuring accelerations over a maximum bandwidth of 2 ...

Page 2

Contents Contents 1 Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 Pin ...

Page 3

LIS332AX 1 Block diagram and pin description Figure 1. Block diagram 1.1 Pin connections and description Figure 2. Pin connection Block diagram and pin description Doc ID 16932 Rev 1 3/14 ...

Page 4

Block diagram and pin description Table 2. Pin description Pin # Pin name 4/14 NC res NC ST Self-test (logic 0: normal mode; logic ...

Page 5

LIS332AX 2 Mechanical and electrical specifications 2.1 Mechanical characteristics @ Vdd=3 V, T=25 °C unless otherwise noted Table 3. Mechanical characteristics Symbol Parameter (2) Ar Acceleration range (3) So Sensitivity Sensitivity change vs. SoDr temperature (4) Voff Zero-g level Zero-g ...

Page 6

Mechanical and electrical specifications 2.2 Electrical characteristics @ Vdd=3 V, T=25 °C unless otherwise noted Table 4. Electrical characteristics Symbol Parameter Vdd Supply voltage Idd Supply current Supply current in IddPdn power-down mode Vst Self-test input Vpd Power-down input Output ...

Page 7

LIS332AX 3 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 ...

Page 8

Terminology 4 Terminology 4.1 Sensitivity Sensitivity describes the gain of the sensor and can be determined by applying 1 g acceleration to it. Because the sensor can measure DC accelerations, this can be done easily by pointing the selected axis ...

Page 9

LIS332AX 5 Functionality The LIS332AX is a 3-axis ultracompact low-power, analog output linear accelerometer packaged in an LGA package. The complete device includes a sensing element and an IC interface capable of taking information from the sensing element providing an ...

Page 10

Application hints 6 Application hints Figure 3. LIS332AX electrical connection Power supply decoupling capacitors (100 nF ceramic or polyester + 10 µF aluminum) should be placed as near as possible to the device (common design practice). The LIS332AX allows band ...

Page 11

LIS332AX Table 6. Filter capacitor selection, C Cut-off frequency 6.1 Soldering information The LGA package is compliant with the ECOPACK®, RoHs and “Green” standard qualified for soldering heat resistance according to JEDEC J-STD-020C. Leave “Pin 1 Indicator” unconnected ...

Page 12

Package information 7 Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK ...

Page 13

LIS332AX 8 Revision history Table 7. Document revision history Date 02-Feb-2010 Revision 1 Initial release Doc ID 16932 Rev 1 Revision history Changes 13/14 ...

Page 14

... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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