Datasheet > FXLS8471QR1

FXLS8471QR1

更新时间： 2024-02-25 08:04:23

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		/
页数	文件大小	规格书
75页	576K
描述
Linear Accelerometer

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数据手册

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FXLS8471QR1 数据手册

Freescale Semiconductor

Data Sheet: Technical Data

An Energy-Efficient Solution by Freescale

Document Number: FXLS8471Q

Rev. 1.5, 06/2015

FXLS8471Q, 3-Axis,

Linear Accelerometer

FXLS8471Q

FXLS8471Q is a small, low-power, 3-axis, linear accelerometer in a

3 mm x 3 mm x 1 mm QFN package. FXLS8471Q has dynamically selectable

acceleration full-scale ranges of ±2 g/±4 g/±8 g and 14 bits of resolution.

Output data rates (ODR) are programmable from 1.563 Hz to 800 Hz. I²C and

SPI serial digital interfaces are provided along with several user

programmable event detection functions that can be used to reduce the overall

system power consumption by off-loading the host processor. FXLS8471Q is

guaranteed to operate over the extended temperature range of -40 °C to

+85 °C.

16 LEAD QFN

3 mm x 3 mm x 1 mm

Features

•

1.95 V to 3.6 V VDD supply voltage, 1.62 V to 3.6 V VDDIO voltage

±2 g/±4 g/±8 g dynamically selectable acceleration full-scale ranges

Output Data Rates (ODR) from 1.563 Hz to 800 Hz

Top View

Low noise: typically 99 μg/Hz in low-noise mode @ 200-Hz bandwidth

14-bit ADC resolution: 0.244 mg/LSB in ±2 g, full-scale range

Embedded programmable acceleration event functions:

VDDIO

BYP

Reserved

GND

—

Freefall and Motion Detection

Transient Detection

Reserved

SCL/SCLK

INT1

Vector-Magnitude Change Detection

Pulse and Tap Detection (Single and Double)

Orientation Detection (Portrait/Landscape)

FXLS8471Q

SA1/CS_B

GND

INT2

•

Programmable automatic ODR change using Auto-Wake and return to

Sleep functions to save power.

•

192-byte FIFO buffer, capable of storing up to 32 samples of X/Y/Z data

Supports 4-wire SPI interface at up to 1 MHz; I²C Normal (100 kHz) and

Fast Modes (400 kHz)

Pin Connections

•

Integrated accelerometer self-test function

Target Markets

•

Industrial applications: vibration analysis, machine health monitoring, and platform stabilization

Smartphones, tablets, digital cameras, and personal navigation devices

Medical applications: patient monitoring, fall detection, and rehabilitation

Applications

•

Shock and vibration monitoring (mechatronic compensation, shipping, and warranty usage logging)

User interface (menu scrolling by orientation change, tap detection for button replacement)

Orientation detection (portrait/landscape: up/down, left/right, back/front position identification)

Gaming and real-time activity analysis (pedometry, freefall and drop detection for hard disk drives and other devices)

Power management for mobile devices using inertial event detection

Freescale reserves the right to change the detail specifications as may be required to permit

improvements in the design of its products.

12 3 4 5 6 7...75

中文翻译

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