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Freescale Semiconductor
Data Sheet: Technical Data
An Energy Efficient Solution by Freescale
Xtrinsic MMA8452Q 3-Axis,
12-bit/8-bit Digital Accelerometer
The MMA8452Q is a smart, low-power, three-axis, capacitive, micromachined
accelerometer with 12 bits of resolution. This accelerometer is packed with
embedded functions with flexible user programmable options, configurable to two
interrupt pins. Embedded interrupt functions allow for overall power savings
relieving the host processor from continuously polling data.
The MMA8452Q has user selectable full scales of ±2g/±4g/±8g with high-pass
filter filtered data as well as non-filtered data available real-time. The device can
be configured to generate inertial wakeup interrupt signals from any combination
of the configurable embedded functions allowing the MMA8452Q to monitor
events and remain in a low power mode during periods of inactivity. The
MMA8452Q is available in a 3 mm x 3 mm x 1 mm QFN package.
Features
Document Number: MMA8452Q
Rev. 8.1, 10/2013
MMA8452Q
Top and Bottom View
16 PIN QFN
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?
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1.95V to 3.6V supply voltage
1.6V to 3.6V interface voltage
±2g/±4g/±8g dynamically selectable full-scale
Output Data Rates (ODR) from 1.56 Hz to 800 Hz
99 μ g/ √ Hz noise
12-bit and 8-bit digital output
I 2 C digital output interface
3 mm x 3 mm x 1 mm
CASE 2077-02
Top View
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Two programmable interrupt pins for six interrupt sources
16
15
14
?
Three embedded channels of motion detection
— Freefall or Motion Detection: 1 channel
— Pulse Detection: 1 channel
— Transient Detection: 1 channel
– Orientation (Portrait/Landscape) detection with set hysteresis
– Automatic ODR change for Auto-WAKE and return to SLEEP
VDDIO
BYP
NC
SCL
1
2
3
4
13
12
11
10
NC
GND
INT1
GND
– High-Pass Filter Data available real-time
– Self-Test
– RoHS compliant
GND
5
6
7
8
9
INT2
– Current Consumption: 6 μ A to 165 μ A
Typical Applications
? E-Compass applications
Pin Connections
? Static orientation detection (Portrait/Landscape, Up/Down, Left/Right, Back/
Front position identification)
? Notebook, e-reader, and Laptop Tumble and Freefall Detection
? Real-time orientation detection (virtual reality and gaming 3D user position feedback)
? Real-time activity analysis (pedometer step counting, freefall drop detection for HDD, dead-reckoning GPS backup)
? Motion detection for portable product power saving (Auto-SLEEP and Auto-WAKE for cell phone, PDA, GPS, gaming)
? Shock and vibration monitoring (mechatronic compensation, shipping and warranty usage logging)
?
User interface (menu scrolling by orientation change, pulse detection for button replacement)
ORDERING INFORMATION
Part Number
MMA8452QT
MMA8452QR1
Temperature Range
-40°C to +85°C
-40°C to +85°C
Package Description
QFN-16
QFN-16
Shipping
Tray
Tape and Reel
? 2010-2013 Freescale Semiconductor, Inc. All rights reserved.
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相关代理商/技术参数
MMA8452QT 功能描述:加速计 - 板上安装 LOW G 3-AXIS 12BT EX VLT RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C
MMA8453Q 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Xtrinsic MMA8453Q 3-Axis, 10-bit/8-bit Digital Accelerometer
MMA8453QR1 功能描述:加速计 - 板上安装 LOW G 3-AXIS DGTL ACCEL RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C
MMA8453QT 功能描述:加速计 - 板上安装 LOW G 3-AXIS DGTL ACCEL RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C
MMA8491Q 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Xtrinsic MMA8491Q 3-Axis Multifunction Digital Accelerometer
MMA8491QR1 功能描述:加速计 - 板上安装 3-Axis Low Voltage Discrete Tilt Sensor RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C
MMA8491QT 功能描述:加速计 - 板上安装 3-Axis Low Voltage Discrete Tilt Sensor RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C
MMA8652FC 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Xtrinsic MMA8652FC 3-Axis, 12-bit Digital Accelerometer