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PDF LY530AL Data sheet ( Hoja de datos )
| Número de pieza | LY530AL | |
| Descripción | MEMS inertial sensor single-axis analog and digital output yaw rate gyroscope | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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LY530AL
MEMS inertial sensor
single-axis analog and digital output yaw rate gyroscope
Preliminary Data
Features
■ 2.7 V to 3.6 V single supply operation
■ Low power consumption
■ Embedded power-down
■ ±300°/sec full scale
■ Absolute analog rate output
■ I2C/SPI digital output interface
■ Integrated low-pass filters
■ Additional high pass filter for digital output
■ Embedded self-test
■ High shock survivability
■ ECOPACK® RoHS and “Green” compliant
(see Section 7)
Description
The LY530AL is a low-power single-axis yaw rate
sensor. It includes a sensing element and an IC
interface able to provide the measured angular
rate to the external world through an analog
output voltage and I2C/SPI digital interfaces.
The sensing element, capable of detecting the
yaw rate, is manufactured using a dedicated
micromachining process developed by ST to
produce inertial sensors and actuators on silicon
wafers.
The IC interface is manufactured using a CMOS
process that allows a high level of integration to
design a dedicated circuit which is trimmed to
better match the sensing element characteristics.
Table 1. Device summary
Order code
Temperature range (°C)
LY530AL
LY530ALTR
-40 to +85
-40 to +85
LGA-16 (5x5x1.5mm)
The output of LY530AL has a full scale of ±300 °/s
and is capable of measuring rates with a -3 dB
bandwidth up to 88 Hz.
The LY530AL is available in a plastic land grid
array (LGA) package and can operate within a
temperature range from -40 °C to +85 °C.
The LY530AL belongs to a family of products
suitable for a variety of applications, including:
– Gaming and virtual reality input devices
– Motion control with MMI (man-machine
interface)
– Image stabilization for digital video and
digital still cameras
– GPS navigation systems
– Appliances and robotics
Package
LGA-16 (5x5x1.5)
LGA-16 (5x5x1.5)
Packing
Tray
Tape and reel
September 2008
Rev 1
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
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LY530AL
List of figures
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List of figures
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10.
Figure 11.
Figure 12.
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
SPI slave timing diagram (2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
I2C slave timing diagram (4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
LY530AL electrical connections and external components values . . . . . . . . . . . . . . . . . . . 15
Read & write protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
SPI read protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Multiple bytes SPI read protocol (2 bytes example) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
SPI write protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Multiple bytes SPI write protocol (2 bytes example) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
SPI read protocol in 3-wires mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
LGA-16: mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
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LY530AL
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Mechanical and electrical specifications
2.4
2.4.1
Communication interface characteristics
SPI - serial peripheral interface
Subject to general operating conditions for Vdd and Top.
Table 6. SPI slave timing values
Symbol
Parameter
Value(1)
Min Max
Unit
tc(SPC)
SPI clock cycle
100 ns
fc(SPC)
SPI clock frequency
10 MHz
tsu(CS)
CS setup time
5
th(CS)
CS hold time
8
tsu(SI)
SDI input setup time
5
th(SI)
SDI input hold time
15 ns
tv(SO)
SDO valid output time
50
th(SO)
SDO output hold time
6
tdis(SO)
SDO output disable time
50
1. Values are guaranteed at 10 MHz clock frequency for SPI with both 4 and 3 wires, based on characterization results, not
tested in production
Figure 3. SPI slave timing diagram (2)
CS (3)
SPC (3)
tsu(CS)
SDI (3)
SDO (3)
tc(SPC)
tsu(SI)
th(SI)
MSB IN
tv(SO)
MSB OUT
th(SO)
th(CS)
(3)
(3)
LSB IN
(3)
tdis(SO)
LSB OUT
(3)
2. Measurement points are done at 0.2·Vdd_IO and 0.8·Vdd_IO, for both Input and Output port
3. When no communication is on-going, data on CS, SPC, SDI and SDO are driven by internal pull-up
resistors
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| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet LY530AL.PDF ] | |
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