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| 型号： | LPY530AL |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PBCC16 |
| 封装： | 5 X 5 MM, 1.50 MM HEIGHT, GREEN, PLASTIC, LGA-16 |
| 文件页数： | 10/12页 |
| 文件大小： | 222K |
| 代理商： | LPY530AL |
LPY530AL
Terminology
Doc ID 15807 Rev 2
7/12
3
Terminology
3.1
Sensitivity
An angular rate gyroscope is a device that produces a positive-going output voltage for
counterclockwise rotation around the sensible axis considered. Sensitivity describes the
gain of the sensor and can be determined by applying a defined angular velocity to it. This
value changes very little over temperature and time.
3.2
Zero-rate level
Zero-rate level describes the actual output signal if there is no angular rate present. Zero-
rate level of precise MEMS sensors is, to some extent, a result of stress to the sensor and
therefore zero-rate level can slightly change after mounting the sensor onto a printed circuit
board or after exposing it to extensive mechanical stress. This value changes very little over
temperature and time.
3.3
Self-test
Self-test allows testing the mechanical and electrical part of the sensor, allowing the seismic
mass to be moved by means of an electrostatic test-force. The Self-test function is off when
the ST pin is connected to GND. When the ST pin is tied to Vdd, an actuation force is
applied to the sensor, emulating a definite Coriolis force. In this case the sensor output will
exhibit a voltage change in its DC level which is also dependent on the supply voltage.
When ST is active, the device output level is given by the algebraic sum of the signals
produced by the velocity acting on the sensor and by the electrostatic test-force. If the output
signals change within the amplitude specified in
Table 3, then the mechanical element is
working properly and the parameters of the interface chip are within the defined
specification.
3.4
High pass filter reset (HP)
LPY530AL provides the possibility to reset the optional external high pass filter by applying
high logic value to HP pad. This procedure ensures faster response expecially during
overload conditions. Moreover, this operation is suggested each time the device is powered.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LPY530ALTR | 功能描述:螺旋仪 MEMS 300 / 1200 2.7V to 3.6V PS RoHS:否 制造商:Murata 传感轴:Triple 灵敏度: 输出类型:Digital 电源电压-最大:3.6 V 电源电压-最小:3 V 电源电流:5 mA 封装 / 箱体: |
| LPY550AL | 功能描述:螺旋仪 Dual 0.5 mV deg/s LGA-16 RoHS:否 制造商:Murata 传感轴:Triple 灵敏度: 输出类型:Digital 电源电压-最大:3.6 V 电源电压-最小:3 V 电源电流:5 mA 封装 / 箱体: |
| LPY550ALTR | 功能描述:螺旋仪 MEMS 500 / 2000 2.7V to 3.6V PS RoHS:否 制造商:Murata 传感轴:Triple 灵敏度: 输出类型:Digital 电源电压-最大:3.6 V 电源电压-最小:3 V 电源电流:5 mA 封装 / 箱体: |
| LPY-EA40SFY-TPA | 制造商:Honda Tsushin Kogyo Co Ltd 功能描述: |
| LPY-EA60SFY-TPA | 制造商:Honda Tsushin Kogyo Co Ltd 功能描述: |
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