MMA8452QT

所属类别：传感器
产品名称：Xtrinsic 3轴12位加速度传感器
厂商：FREESCALE
生产批号：12+
封装：QFN-16
库存状态：有库存
库存量：10000
最低订购量：1
详细资料：

Product Introduction

MMA8452QT Xtrinsic 3-axis 12-bit accelerometer

MMA8452Q is an intelligent, low-power, three-axis, capacitive micromechanical accelerometer with 12-bit resolution. The accelerometer is rich in embedded features with flexible user-programmable options that can be configured with up to two interrupt pins. The embedded interrupt function saves overall power consumption and relieves the main processor of the burden of constantly polling data. MMA8452Q has ± user-selectable range of 2G/±4G/±8G, which can output high-pass filtered data and unfiltered data in real time. The device can be configured to generate an inertial wake-up interrupt signal using any combination of configurable embedded functions, allowing the MMA8452Q to monitor events while maintaining a low-power mode at rest.

特性

供电电压：1.95 V 至 3.6 V
接口电压：1.6 V 至 3.6 V
±2g/±4g/±8g 动态量程可选
输出数据速率 (ODR) 范围： 1.56 Hz 至 800 Hz
噪声：99μg/√Hz
12位和 8位数字输出
I2C 数字输出接口（在上拉电阻为4.7 kΩ 时，最高频率可达2.25 MHz）
适用于 6个中断来源的 2个可编程中断引脚
3 个运动检测嵌入式通道
- 自由落体或运动检测： 1通道
- – 脉冲检测： 1通道
- – 晃动检测： 1通道
带有设定滞后补偿的方向（横向/纵向）检测
自动唤醒和自动休眠的ODR可自动更改
高通滤波数据可实时输出
自检测
符合 RoHS 标准
功耗： 6 μA – 165 μA

Typical applications:

电子罗盘应用
静止方向检测（横向/纵向、上/下、左/右、前/后位置识别）
笔记本、电子书阅读器和便携式电脑跌落和自由落体检测
实时方向检测（虚拟现实和游戏机 3D 用户位置反馈）
实时活动分析（步程计步进计数、用于 HDD 的自由坠落检测、推测航行法 GPS 备份）
适用于便携式节能产品的动作检测（用于手机、PDA、GPS、游戏机的自动睡眠和自动唤醒）
冲击和振动检测（机电一体化补偿、装运和保修使用记录）
用户界面（通过方向更改实现菜单滚动、用于按钮替换的标签检测）

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MMA8452QT

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