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参数资料
| 型号： | MMA8450QR1 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 2/2页 |
| 文件大小： | 0K |
| 描述： | IC ACCELER 2G/4G/8G 3AXIS 16QFN |
| 产品目录绘图： | MMA8450QT Top |
| 特色产品： | MMA8450Q Digital Accelerometer |
| 标准包装： | 1 |
| 系列： | MMA |
| 轴： | X，Y，Z |
| 加速范围： | ± 2g，4g，8g |
| 灵敏度： | 3.906mg/digit，1.953mg/digit，0.976mg/digit |
| 电源电压： | 1.71 V ~ 1.89 V |
| 输出类型： | 数字 |
| 带宽： | 400Hz |
| 接口： | I²C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-VQFN |
| 供应商设备封装： | 16-QFN（6x6） |
| 其它名称： | MMA8450QR1DKR |
Typical Applications
? Mobile phones/PMP/PDA/digital cameras
Orientation detection (portrait/landscape)
Image stability
Freescale Accelerometer Product Feature Comparison
Feature MMA8450Q MMA7455L
Digital Capability
MMA7660FC
I C
I C, SPI
Tilt control enabled with higher resolution
Gesture dialing enhanced with high pass filter
Tap to control
Auto wake/sleep for low power consumption
? Smartbooks/ereaders/netbooks/laptops
o Anti-theft
Digital resolution
Digital output
Current
consumption
12-bit
2
? Shutdown: < 1 uA
? Standby: 4 uA
? Normal mode: 42–250 uA
? Low-power mode: 27–120 uA
10-bit
2
? Shutdown: 2 uA
? Standby: 10 uA
? Normal mode: 400 uA
6-bit
I 2 C
? Shutdown: 2 uA
? Standby: 10 uA
? Normal mode: 50–300 uA
o
o
Freefall detection for hard disk drives
Orientation detection
Programmable
interrupt pins
2
2
1
o
Tap detection
Package
? Public transportation ticketing systems
? Activity monitoring in medical applications
? Security
Shock detection
Tilt
Package type 3 x 3 x 1 mm QFN
g-Cell or Sensing Cell
Dynamic range 2g/4g/8g
Axis 3-axis
3 x 5 x 1 mm LGA
2g/4g/8g
3-axis
3 x 3 x 0.9 mm DFN
1.5g
3-axis
? Fleet monitoring, tracking
Drop shock
10,000g
10,000g
10,000g
Dead reckoning
System auto wake-up on movement detection
Shock recording
Embedded Functions/Features
Selectable output With reduced current specifications
data rate
No reduced current
specifications
With reduced current
specifications
Anti-theft
? Power tools and small appliances
Tilt
Safety shutoff
Freefall
Motion detection
Tap detection
Transient detection
Orientation
(portrait/landscape)
detection
FIFO
2 channels programmable
2 channels programmable
1 channel
1 channel
? Includes hysteresis compensation
? Programmable trip points
? Z-lockout
? 12-bit data
? 32 samples for each axis
2 channels programmable
1 channel programmable
2 channels
N/A
N/A
N/A
N/A
1 channel, fixed threshold
1 channel
N/A
No hysteresis
N/A
RD3924MMA8450Q
LFSTBEB8450
Auto-wake/sleep
Self test
Configurable with up to 5 interrupts.
Sleep counter configurable for up to
325 seconds
Yes
N/A
Yes
Configurable with up to 4
interrupts
I 2 C Test
Development Tools
Part Number Description
LFSTBEB8450 This LFSTBEB8450 accelerometer
development board provides an
evaluation platform for the MMA8450Q
accelerometer and includes the QE8
MCU for data acquisition. This board can
work with the LFSTBUSB communication
board that is sold separately.
RD3924MMA8450Q This Sensor Toolbox kit comes with the
accelerometer LFSTBUSB development
and the LFSTBUSB boards
Freescale is a leading provider of pressure, inertial
and touch sensors and has offered MEMS-based
sensors for over 30 years. The sensor ICs complement
Freescale’s broad portfolio of ZigBee ? technology,
microcontrollers, microprocessors, digital signal
processors, analog ICs and development tools to offer
system solutions to customers.
Documentation
Freescale Document Number
MMA8450Q
AN3915
AN3916
AN3917
AN3918
AN3919
AN3920
AN3921
AN3922
AN3923
Description
Product Specifications Data Sheet
Embedded Orientation Detection Using the MMA8450Q
Offset Calibration of the MMA8450Q
Motion and Freefall Detection Using the MMA8450Q
High Pass Filtered Data and Transient Detection Using the MMA8450Q
MMA8450Q Single/Double and Directional Tap Detection
Using the 32 Sample First In, First Out (FIFO) in the MMA8450Q
Low-Power Modes and Auto-Wake/Sleep Using the MMA8450Q
Data Manipulation and Basic Settings of the MMA8450Q
MMA8450Q Design Checklist and Board Mounting Guidelines
Learn More:
For current information about Freescale
products and documentation, please visit
www.freescale.com/xyz .
Freescale and the Freescale logo are trademarks or registered trademarks of Freescale Semiconductor, Inc. in the U.S. and other
countries. All other product or service names are the property of their respective owners. ? Freescale Semiconductor, Inc. 2010.
Document Number: MMA8450QFS
REV 0
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MMA8450QT | 功能描述:加速计 - 板上安装 12bit 3-Axis FIFO HPF PL 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 |
| MMA8451 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Freescale Semiconductor 功能描述: |
| MMA8451Q | 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:3-Axis, 14-bit/8-bit Digital Accelerometer |
| MMA8451QR1 | 功能描述:加速计 - 板上安装 LOW G 3-AXIS 14BT 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 |
| MMA8451QR1 | 制造商:Freescale Semiconductor 功能描述:low g 3-Axis 14bt ex vlt |
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