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简介:BMA150 三轴加速度传感器 数字输出 带温度输出 超低功耗
购买反馈Tri-axial ±2g/±4g/±8g acceleration sensor
KEY FEATURES
? Three-axis accelerometer
? Temperature output
? Small package QFN, footprint 3mm x 3mm, height 0.90mm
? Digital interface SPI (4-wire, 3-wire), I2C, interrupt pin
? Programmable functionality g-range ±2g/±4g/±8g, bandwidth 25-1500Hz, internal
acceleration evaluation for interrupt trigger also enabling
stand-alone capability (without use of microcontroller),
self-test
? Ultra-low power ASIC low current consumption, short wake-up time,
advanced features for system power management
? RoHS compliant, Pb-free
TYPICAL APPLICATIONS
? HDD protection
? Menu scrolling, tip-tap function
? Gaming
? Pedometer / step counting
? Drop detection for warranty logging
? Display profile switching
? Advanced system power management for mobile applications
? Shock Detection
GENERAL DESCRIPTION
The BMA150 is a tri-axial low-g acceleration sensor IC with digital output for consumer market applications. It allows measurements of acceleration in perpendicular axes as well as absolute temperature measurement.
An evaluation circuitry converts the output of a three-channel micromechanical acceleration-sensing structure that works according to the differential capacitance principle.
Package and interface have been defined to match a multitude of hardware requirements. Since the sensor IC has small footprint and flat package it is attractive for mobile applications. The sensor IC can be programmed to optimize functionality, performance and power consumption in customer specific applications.
BMA150 senses tilt, motion and shock vibration in cell phones, handhelds, computer peripherals, man-machine interfaces, virtual reality features and game controllers.