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PDF LY503ALH Data sheet ( Hoja de datos )
| Número de pieza | LY503ALH | |
| Descripción | MEMS motion sensor:high performance +-30 /s analog yaw-rate gyroscope | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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LY503ALH
MEMS motion sensor:
high performance ±30 °/s analog yaw-rate gyroscope
Preliminary data
Features
■ 2.7 V to 3.6 V single-supply operation
■ Wide operating temperature range
(-40 °C to +85 °C)
■ High stability overtemperature
■ Analog absolute angular-rate output
■ Two separate outputs
(1x and 4x amplified)
■ Integrated low-pass filters
■ Low power consumption
■ Embedded power-down
■ Embedded self-test
■ High shock and vibration survivability
■ ECOPACK® RoHS and “Green” compliant
(see Section 5)
Applications
■ Image stabilization for DVC and DSC
■ Image stabilization for camera phones
■ Motion controlled user interface
■ GPS navigation systems
Description
The LY503ALH is a low-power single-axis
micromachined gyroscope capable of measuring
angular rate along yaw axis.
It provides excellent temperature stability and
high resolution over an extended operating
temperature range (-40 °C to +85 °C).
Table 1. Device summary
Order code
Temperature range (°C)
LY503ALH
-40 to +85
LY503ALHTR
-40 to +85
LGA-16L (5x5x1.5mm)
The LY503ALH has a full scale of ±30 °/s and is
capable of detecting rates with a -3 dB bandwidth
up to 140 Hz. The gyroscope is the combination
of one actuator and one accelerometer integrated
in a single micromachined structure.
It includes a sensing element composed by single
driving mass, kept in continuos oscillating
movement and able to react when an angular rate
is applied based on the Coriolis principle.
A CMOS IC provides the measured angular rate
to the external world through an analog output
voltage, allowing high level of integration and
production trimming to better match sensing
element characteristics.
ST’s gyroscope family leverages on robust and
mature manufacturing process already used for
the production of micromachined accelerometers.
ST is already in the field with several hundreds
million sensors with excellent acceptance from
the market in terms of quality, reliability and
performance.
LY503ALH 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 sensor in plastic
LGA package.
Package
LGA-16 (5x5x1.5)
LGA-16 (5x5x1.5)
Packing
Tray
Tape and reel
July 2009
Doc ID 15799 Rev 2
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
1/12
www.st.com
12
1 page  
LY503ALH
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Mechanical and electrical specifications
2 Mechanical and electrical specifications
2.1 Mechanical characteristics
Table 3.
Symbol
Mechanical characteristics @ Vdd = 3 V, T = 25 °C unless otherwise noted(1)
Parameter
Test condition
Min.
Typ.(2)
Max.
Unit
FSA 4x OUT (amplified)
Measurement range
FS OUT (not amplified)
±30
±120
SoA
So
Sensitivity(3)
4x OUT (amplified)
OUT (not amplified)
33.3
8.3
SoDr
Voff
Sensitivity change vs
temperature
Zero-rate level(3)
Delta from 25°C
0.05
1.23
Vref Reference voltage
1.23
OffDr
Zero-rate level change
Vs temperature
Delta from 25°C
0.01
NL Non linearity
BW Bandwidth(4)
Best fit straight line
±1
140
Rn Rate noise density
0.014
Top
Operating
temperature range
-40
1. The product is factory calibrated at 3 V. The operational power supply range is specified in Table 4.
2. Typical specifications are not guaranteed
3. Sensitivity and zero-rate level are not ratiometric to supply voltage
4. The product is capable of measuring angular rates extending from DC to the selected BW.
+85
°/s
°/s
mV/ °/s
mV/ °/s
%/°C
V
V
°/s/°C
% FS
Hz
°/s / Hz
°C
Doc ID 15799 Rev 2
5/12
5 Page 
LY503ALH
6 Revision history
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Revision history
Table 6. Document revision history
Date
Revision
Changes
09-Jun-2009
1 Initial release
06-Jul-2009
Small text changes to improve readability.
2 Updated Table 4.
Doc ID 15799 Rev 2
11/12
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet LY503ALH.PDF ] | |
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