LPR430ALTR STMicroelectronics, LPR430ALTR Datasheet

GYROSCOPE DUAL AXIS 300DPS 28LGA

LPR430ALTR

Manufacturer Part Number
LPR430ALTR
Description
GYROSCOPE DUAL AXIS 300DPS 28LGA
Manufacturer
STMicroelectronics
Series
MEMSr
Datasheet

Specifications of LPR430ALTR

Range °/s
±300°/s
Sensitivity
3.33mV/°/s
Typical Bandwidth
140Hz
Voltage - Supply
2.7 V ~ 3.6 V
Current - Supply
6.8mA
Output Type
Analog
Operating Temperature
-40°C ~ 85°C
Package / Case
28-TFLGA
For Use With
497-10508 - BOARD EVAL FOR MEMS SENSORS
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-10861-2
LPR430ALTR

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Features
Applications
Description
The LPR430AL is a low-power dual-axis
micromachined gyroscope capable of measuring
angular rate along pitch and roll axes.
It provides excellent temperature stability and
high resolution over an extended operating
temperature range (-40 °C to +85 °C).
Table 1.
October 2009
2.7 V to 3.6 V single-supply operation
Wide operating temperature range
(-40 °C to +85 °C)
High stability over temperature
Analog absolute angular-rate outputs
Two separate outputs for each axis
(1x and 4x amplified)
Integrated low-pass filters
Low power consumption
Embedded power-down
Embedded self-test
Sleep mode
High shock and vibration survivability
ECOPACK
(see
Pointing devices, remote and game controllers
Motion tracking with user interface
GPS navigation systems
Industrial and robotics
LPR430ALTR
Order code
LPR430AL
Section
Device summary
®
RoHS and “Green” compliant
6)
dual-axis pitch and roll ±300 dps analog gyroscope
Temperature range (°C)
-40 to +85
-40 to +85
Doc ID 16574 Rev 1
The LPR430AL has a full scale of ±300 dps and is
capable of detecting rates with a -3 dB bandwidth
up to 140 Hz.
The device includes a sensing element composed
of a single driving mass, kept in continuous
oscillation and capable of reacting, based on the
Coriolis principle, when an angular rate is applied
A CMOS IC provides the measured angular rate
to the external world through an analog output
voltage, allowing high levels of integration and
production trimming to better match sensing
element characteristics.
ST's family of gyroscopes leverages on the
mature and robust manufacturing process already
used for the production of micro-machined
accelerometers.
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.
LPR430AL is provided in plastic land grid array
(LGA) package. Several years ago ST pioneered
successfully the usage 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.
LGA-28 (4x5x1)
LGA-28 (4x5x1)
Package
MEMS motion sensor:
LGA-28 (4x5x1 mm)
LPR430AL
Tape and reel
Packing
Tray
www.st.com
1/14
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LPR430ALTR Summary of contents

Page 1

... Table 1. Device summary Order code Temperature range (°C) LPR430AL LPR430ALTR October 2009 The LPR430AL has a full scale of ±300 dps and is capable of detecting rates with bandwidth up to 140 Hz. The device includes a sensing element composed of a single driving mass, kept in continuous ...

Page 2

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

Page 3

LPR430AL 1 Block diagram and pin description Figure 1. Block diagram 1.1 Pin description Figure 2. Pin connection Block diagram and pin description Doc ID 16574 Rev 1 3/14 ...

Page 4

Block diagram and pin description Table 2. Pin description Pin # 4/14 ...

Page 5

LPR430AL 2 Mechanical and electrical specifications 2.1 Mechanical characteristics Vdd = °C unless otherwise noted Table 3. Mechanical characteristics Symbol Parameter FSA Measurement range FS SoA (2) Sensitivity So Sensitivity change vs. SoDr temperature (3) ...

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 sleep IddSl mode Supply current in power- IddPdn down mode V ...

Page 7

LPR430AL 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 An angular rate gyroscope is a device that produces a positive-going output voltage for counterclockwise rotation around the sensitive axis considered. Sensitivity describes the gain of the sensor and can be determined by applying a ...

Page 9

LPR430AL Table 6. Sleep mode and Power-down mode configuration Operating mode Normal mode Power-down Self-test Sleep mode ST pin Doc ID 16574 Rev 1 Terminology SLEEP/PD pin 9/14 ...

Page 10

Application hints 5 Application hints Figure 3. LPR430AL electrical connections and external component values 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). ...

Page 11

LPR430AL 5.1 Output response vs. rotation Figure 4. Output response vs. rotation 5.2 Soldering information The LGA package is compliant with the ECOPACK It is qualified for soldering heat resistance in accordance with JEDEC J-STD-020. Leave “Pin 1 Indicator” unconnected ...

Page 12

Package information 6 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. ...

Page 13

LPR430AL 7 Revision history Table 7. Document revision history Date 29-Oct-2009 Revision 1 Initial release Doc ID 16574 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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