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LIS302DL：MEMS motion sensor 3-axis ±2g/±8g smart digital output 'piccolo' accelerometer

The LIS302DL is an ultra compact low-power three axes linear accelerometer. It includes a sensing element and an IC interface able to provide the measured acceleration to the external world through I²C/SPI serial interface.

The sensing element, capable of detecting the acceleration, is manufactured using a dedicated process developed by ST to produce inertial sensors and actuators in silicon.

The IC interface is manufactured using a CMOS process that allows to design a dedicated circuit which is trimmed to better match the sensing element characteristics.

The LIS302DL has dynamically user selectable full scales of ±2g/±8g and it is capable of measuring accelerations with an output data rate of 100Hz or 400Hz.

A self-test capability allows the user to check the functioning of the sensor in the final application.

The device may be configured to generate inertial wake-up/free-fall interrupt signals when a programmable acceleration threshold is crossed at least in one of the three axes. Thresholds and timing of interrupt generators are programmable by the end user on the fly.

The LIS302DL is available in plastic Thin Land Grid Array package (TLGA) and it is guaranteed to operate over an extended temperature range from -40°C to +85°C.

Key Features

• 10000g high shock survivability
• Embedded self test
• ECOPACK® RoHS and “Green” compliant
• Click and double click recognition
• Programmable multiple interrupt generator
• 2.16V to 3.6V supply voltage
• 1.8V compatible IOs
• I2 C/SPI digital output interface
• Embedded high pass filter
• ± 2g / ± 8g dynamically selectable full-scale

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