STMicroelectronics (ST) decided to expand the ultra-small low-G linear acceleration sensor and introduced the low-power, low-cost 3-axis accelerometer "LIS302ALK". The product is a small MEMS (micro-mechanical) component that meets the needs of small motion sensing solutions for portable electronic devices.
This sensor is an analog output and can detect the acceleration values ​​of the three axes with high precision. The shape is miniaturized and the size is only 5 × 3 × 0.9mm. In terms of impact resistance, it can withstand a maximum of 10,000 g of gravitational acceleration.
The sensor's full-scale output range is ±2.0g, which enables low-frequency vibration to be detected with low power consumption. A built-in self-test function that reduces the supply current to 1 mA and a built-in self-test function for sensor motion detection after board mounting is also available.
In addition to hard disk drop detection and vibration monitoring, the product can also be used for user interfaces of portable devices and game consoles. The power can be turned on or off when an external force acts to reduce power consumption. With this function, remote control can be started at the moment when the person picks up the item, reducing the power consumption of the entire circuit. In the medical field, it can play a role in patient motion monitoring, patient posture and activity status detection. Sample shipments are now available and volume production is scheduled to begin in February 2007. When you buy 30,000, each price is about 2.95 US dollars.
In addition, the sensor uses lead-free technology that complies with the EU (EU) RoHS (Restriction of Hazardous Substances).

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