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PDF LY330ALH Data sheet ( Hoja de datos )
| Número de pieza | LY330ALH | |
| Descripción | MEMS motion sensor:high performance +-300 dps analog yaw-rate gyroscope | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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LY330ALH
MEMS motion sensor: high performance ±300 dps analog yaw-rate
gyroscope
LGA-10 (3x5x1 mm)
Features
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
• Integrated low-pass filters
• Low power consumption
• Sleep mode
• Embedded power-down
• Embedded self-test
• High shock and vibration survivability
•®
• ECOPACK RoHS and “Green” compliant
Applications
Pointing devices, remote and game controllers
• Motion control with user interface
• GPS navigation systems
•• Industrial and robotics
Description
The LY330ALH is a high performance low-power
single-axis micro-machined gyroscope capable of
measuring angular rate along the yaw axis.
It provides excellent temperature stability and high
resolution over extended operating temperature
range (-40 °C to +85 °C).
The LY330ALH 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.
The LY330ALH is available in a plastic land grid
array (LGA) package, which ST successfully
pioneered for accelerometers. Today ST has the
widest manufacturing capability and strongest
expertise in the world for production of sensors in
plastic LGA packages.
Table 1: Device summary
Order code Temperature Package Packing
range (°C)
LY330ALH -40 to +85 LGA-10 Tray
(3x5x1)
LY330ALHTR -40 to +85 LGA-10 Tape
(3x5x1) and reel
February 2010
DocID16568 Rev 2
1/16
www.st.com
1 page  
LY330ALH
1 Block diagram
Figure 1: Block diagram
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Block diagram
+Ω z
DRIVING MASS
Feedback loop
CHARGE
AMPLIFIER
+
-
DEMODULATOR
SWITCHED
CAPACITOR
LOW-PASS
FILTE R
CONT. TIME
LP FILT ER
GND
REFERENCE
TRIMMING
CIRCUITS
CLOCK
OUT Z
PHASE
GENERATOR
AM03839v1
DocID16568 Rev 2
5/16
5 Page 
LY330ALH
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Application hints
5 Application hints
Figure 3: Electrical connections and external component values
Supply
2.2Ohm
1 µF
GND
100 nF
LDO
GND
SLEEP/PD Vref
96
10 TOP VIEW
5
14
+Ωz
GND
ST
10nF
C2
OUT Z
470nF
10kOhm
(TOP VIEW)
DIRECTION OF THE
DETECTA BLE
ANGULAR RATE
C1 R1
GND
AM03841v1
Power supply decoupling capacitors should be placed in combination with an LDO regulator
(common design practice).
The device IC includes a PLL (phase-locked loop) circuit to synchronize driving and sensing
interfaces. Capacitors and resistor must be added at VCONT pin 3 (see figure above) to
implement a low-pass filter.
DocID16568 Rev 2
11/16
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet LY330ALH.PDF ] | |
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