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LSM303AHTR 数据手册 - ST Microelectronics（意法半导体）
制造商:
ST Microelectronics（意法半导体）
分类:
运动传感器
封装:
LGA-12
描述:
姿态传感器/陀螺仪 LSM303AHTR LGA-12(2x2)
Pictures:
3D模型
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LSM303AHTR数据手册
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This is information on a product in full production.
September 2016 DocID027766 Rev 6 1/82
LSM303AH
Ultra-compact high-performance eCompass module:
ultra-low-power 3D accelerometer and 3D magnetometer
Datasheet - production data
Features
3 magnetic field channels and 3 acceleration
channels
±50 gauss magnetic dynamic range
±2/±4/±8/16 g selectable acceleration full
scales
Anti-aliasing filter
16-bit data output
SPI / I
2
C serial interfaces
Analog supply voltage 1.71 V to 1.98 V
Programmable interrupt generators for free-
fall, motion and magnetic field detection
Embedded self-test
Embedded 256-level FIFO
Embedded temperature sensor
Embedded digital functions: step detector, step
counter, significant motion and tilt
ECOPACK
®
, RoHS and “Green” compliant
Applications
Tilt-compensated compasses
Map rotation
Position and free-fall detection
Motion-activated functions
Click/double-click recognition
Pedometers
Intelligent power saving for handheld devices
Display orientation
Gaming and virtual reality input devices
Impact recognition and logging
Vibration monitoring and compensation
Description
The LSM303AH is an ultra-low-power high-
performance system-in-package featuring a 3D
digital linear acceleration sensor and a 3D digital
magnetic sensor.
The LSM303AH has user-selectable linear
acceleration full scales of ±2g/±4g/±8g/16 g and
is capable of measuring accelerations with output
data rates from 1 Hz to 6400 Hz. The device has
a magnetic field dynamic range of ±50 gauss with
output data rates from10 Hz to 100 Hz. The
LSM303AH includes an I
2
C serial bus interface
that supports standard, fast mode, fast mode
plus, and high-speed (100 kHz, 400 kHz, 1 MHz,
and 3.4 MHz) and an SPI serial standard
interface.
The LSM303AH has an integrated 256-level first-
in, first-out (FIFO) buffer allowing the user to store
data in order to limit intervention by the host
processor. The FIFO buffer applies only to the
accelerometer.
The embedded self-test capability allows the user
to check the functioning of the sensor in the final
application.
The system can be configured to generate an
interrupt signal for free-fall, motion detection and
magnetic field detection. The magnetic and
accelerometer blocks can be enabled or put into
power-down mode separately.
The LSM303AH is available in a plastic land grid
array package (LGA) and is guaranteed to
operate over an extended temperature range
from -40 °C to +85 °C.
/*$[[PP
Table 1. Device summary
Part number
Temp. range
[°C]
Package Packaging
LSM303AH -40 to +85 LGA-12 Tray
LSM303AHTR -40 to +85 LGA-12 Tape and reel
www.st.com
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