LPY503AL STMicroelectronics, LPY503AL Datasheet

Gyroscopes Dual 8.3 mV deg/s LGA-16

LPY503AL

Manufacturer Part Number
LPY503AL
Description
Gyroscopes Dual 8.3 mV deg/s LGA-16
Manufacturer
STMicroelectronics
Datasheet

Specifications of LPY503AL

Sensing Axis
Dual
Supply Current
6.8 mA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Supply Voltage (max)
3.6 V
Supply Voltage (min)
2.7 V
Sensitivity
8.3 mV/deg/s
Output Type
Analog - Voltage
Package / Case
LGA-16
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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LPY503AL
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Features
Applications
Description
The LPY503AL is a low-power dual-axis
micromachined gyroscope capable of measuring
angular rate along pitch and yaw axes.
It provides excellent temperature stability and
high resolution over an extended operating
temperature range (-40 °C to +85 °C).
The LPY503AL has a full scale of ±30 °/s and is
capable of detecting rates with a -3 dB bandwidth
up to 140 Hz.
Table 1.
July 2009
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
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 for each axis
(1x and 4x amplified)
Integrated low-pass filters
Low power consumption
Embedded power-down
Embedded self-test
High shock and vibration survivability
ECOPACK
(see
Image stabilization for DSC DVC
Motion control with user interface
Industrial and robotics
LPY503ALTR
Order code
Section
LPY503AL
Device summary
®
RoHS and “Green” compliant
5)
Temperature range (°C)
dual axis pitch and yaw ±30°/s analog gyroscope
-40 to +85
-40 to +85
Doc ID 15804 Rev 2
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.
LPY503AL 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.
LGA-16 (5x5x1.5)
LGA-16 (5x5x1.5)
Package
LGA-16L (5x5x1.5mm)
MEMS motion sensor:
LPY503AL
Tape and reel
Packing
Tray
Preliminary data
www.st.com
1/12
12

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LPY503AL Summary of contents

Page 1

... It provides excellent temperature stability and high resolution over an extended operating temperature range (-40 °C to +85 °C). The LPY503AL has a full scale of ±30 °/s and is capable of detecting rates with bandwidth up to 140 Hz. Table 1. Device summary Order code Temperature range (° ...

Page 2

... Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.3 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.1 Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.2 Zero-rate level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.3 Self-test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.4 High pass filter reset (HP Application hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4.1 Output response vs. rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 4.2 Soldering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 6 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2/12 Doc ID 15804 Rev 2 LPY503AL ...

Page 3

... LPY503AL 1 Block diagram and pin description Figure 1. Block diagram + Ω Ω z REFERENCE 1.1 Pin description Figure 2. Pin connection (TOP VIEW) DIRECTION OF THE DETECTABLE ANGULAR RATES CHARGE DEMODULATOR AMPLIFIER + SWITCHED CAPACITOR LOW-PASS - X/Z DRIVING MASS Feedback loop CHARGE AMPLIFIER + SWITCHED CAPACITOR LOW-PASS ...

Page 4

... Not amplified output ST Self-test (logic 0: normal mode; logic 1: self-test) Power-down (logic 0: normal mode; logic 1: power-down PD mode) High pass filter reset (logic 0: normal operation mode; HP logic1: external high pass filter is reset) Res Reserved. Connect to Vdd Vdd Power supply Doc ID 15804 Rev 2 LPY503AL Analog function ...

Page 5

... LPY503AL 2 Mechanical and electrical specifications 2.1 Mechanical characteristics Table 3. Mechanical characteristics @ Vdd = °C unless otherwise noted Symbol Parameter FSA Measurement range FS SoA (3) Sensitivity So Sensitivity change vs SoDr temperature (3) Voff Zero-rate level Vref Reference voltage Zero-rate level change OffDr Vs temperature NL Non linearity (4) BW ...

Page 6

... This is an ESD sensitive device, improper handling can cause permanent damage to the part 6/12 Test condition Min. 2.7 PD pin connected to GND PD pin connected to Vdd Logic 0 level 0 Logic 1 level 0.8*Vdd Logic 0 level 0 Logic 1 level 0.8*Vdd -40 Ratings Doc ID 15804 Rev 2 LPY503AL (1) (2) Typ. Max. Unit 3 3.6 V 6.8 mA µ 0.2*Vdd V Vdd 0.2*Vdd V ...

Page 7

... High pass filter reset (HP) The LPY503AL provides the possibility to reset the optional external high pass filter by applying a high logic value to the HP pad. This procedure ensures faster response, especially during overload conditions. Moreover, this operation is suggested each time the device is powered. ...

Page 8

... 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 LPY503AL allows band limiting of the output rate response through the use of an external low pass filter (suggested) and/or high pass filter (optional) in addition to the ...

Page 9

... LPY503AL 4.1 Output response vs. rotation Figure 4. Output response vs. rotation Steady State position: 4xOUTX = 4xOUTZ = 1.23V OUTX = OUTZ = 1.23V 4.2 Soldering information The LGA package is compliant with the ECOPACK It is qualified for soldering heat resistance according to JEDEC J-STD-020C. Leave “pin 1 indicator” unconnected during soldering. ...

Page 10

... Doc ID 15804 Rev 2 LPY503AL LGA-16 (5x5x1.5mm) Land Grid Array Package 7887555A ® ...

Page 11

... LPY503AL 6 Revision history Table 6. Document revision history Date 04-Jun-2009 06-Jul-2009 Revision 1 Initial release Small text changes to improve readability. 2 Table 4 Updated Doc ID 15804 Rev 2 Revision history Changes 11/12 ...

Page 12

... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 12/12 Please Read Carefully: © 2009 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 15804 Rev 2 LPY503AL ...

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