ChongMing Group (HK) Int'l Co., Ltd
CHONGMING GROUP (HK) INT'L CO., LTD.
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Features
• 1.95 V to 3.6 V supply voltage
• 1.6 V to 3.6 V interface voltage
• ±2 g/±4 g/±8 g dynamically selectable full-scale
• Output data rates (ODR) from 1.56 Hz to 800 Hz
• 99 μg/√Hz noise
• 12-bit and 8-bit digital output
• I2C digital output interface
• Two programmable interrupt pins for six interrupt sources
• Three embedded channels of motion detection
— Freefall or motion detection: one channel
— Pulse detection: one channel
— Transient detection: one channel
• Orientation (portrait/landscape) detection with set hysteresis
• Automatic ODR change for auto-wake and return to sleep
• High-pass filter data available real-time
• Self-test
• Current consumption: 6 μA to 165 μA
Application
• E-compass applications
• Static orientation detection (portrait/landscape, up/down, left/right, back/front position identification)
• Notebook, e-reader, and laptop tumble and freefall detection
• Real-time orientation detection (virtual reality and gaming 3D user position feedback)
• Real-time activity analysis (pedometer step counting, freefall drop detection for HDD, dead-reckoning GPS backup)
• Motion detection for portable product power saving (auto-sleep and auto-wake for cell phone, PDA, GPS, gaming)
• Shock and vibration monitoring (mechatronic compensation, shipping and warranty usage logging)
• User interface (menu scrolling by orientation change, pulse detection for button replacement)