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| 型号： | LIS3L02AQ |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, QCC44 |
| 封装： | 7 X 7 MM, 1.80 MM HEIGHT, PLASTIC, QFN-44 |
| 文件页数： | 5/9页 |
| 文件大小： | 177K |
| 代理商： | LIS3L02AQ |
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LIS3L02AQ
3
FUNCTIONALITY
The LIS3L02AQ is a low-cost, low-power, analog output three-axis linear accelerometer packaged in QFN pack-
age. The complete device includes a sensing element and an IC interface able to take the information from the
sensing element and to provide an analog signal to the external world.
3.1 Sensing element
The THELMA process is utilized to create a surface micro-machined accelerometer. The technology allows to
carry out suspended silicon structures which are attached to the substrate in a few points called anchors and
free to move on a plane parallel to the substrate itself. To be compatible with the traditional packaging tech-
niques a cap is placed on top of the sensing element to avoid blocking the moving parts during the molding
phase.
The equivalent circuit for the sensing element is shown in the figure below; when a linear acceleration is applied,
the proof mass displaces from its nominal position, causing an imbalance in the capacitive half-bridge. This im-
balance is measured using charge integration in response to a voltage pulse applied to the sense capacitor.
Figure 4. Equivalent electrical circuit
Cs1x
Cs2x
Cps1
Cps2
Cpr
Rs2
Rs1
Rr
S1x
rot
S2x
Cs1y
Cs2y
Cps1
Cps2
Cpr
Rs2
Rs1
Rr
S1y
S2y
Cs1z
Cs2z
Cps1
Cps2
Cpr
Rs2
Rs1
Rr
S1z
S2z
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LIS3L02AQ3 | 功能描述:加速计 - 板上安装 3-axis +/-2g/+/-6g MEMS Intertial Sensr 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 |
| LIS3L02AQ3TR | 功能描述:加速计 - 板上安装 INERTIAL SNSR 3 Axis 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 |
| LIS3L02AQ5 | 功能描述:加速计 - 板上安装 Dual low power opamp 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 |
| LIS3L02AQ5TR | 功能描述:加速计 - 板上安装 MEMS INERTIAL snsr 3 axis 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 |
| LIS3L02AQ-TR | 功能描述:ACCELEROMETER TRPL AXIS 44QFN RoHS:是 类别:传感器，转换器 >> 加速计 系列:- 标准包装:1 系列:SCA1000 轴:X，Y 加速范围:±1.7g 灵敏度:1.2V/g 电源电压:4.75 V ~ 5.25 V 输出类型:数字 带宽:50±30Hz 接口:SPI 安装类型:表面贴装 封装/外壳:12-SMD 供应商设备封装:12-SMD 其它名称:551-1007-1 |
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