Bosch MAN-REG-X-08 Spécifications télécharger pdf (Page 2)

Data sheet

BMA220

Page 2

BST-BMA220-DS003-08 | Revision 1.15 | August 2011 Bosch Sensortec

third parties. BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany.

Note: Specifications within this document are subject to change without notice.

BMA220

RIAXIAL 2G TO 16G ACCELERATION SENSOR WITH ON-CHIP

MOTION

-TRIGGERED INTERRUPT CONTROLLER

Key features

 Three-axis accelerometer

 Ultra-Small package Mold package (LGA 12ld)

Footprint 2mm x 2mm, height 0.98mm

 Digital interface SPI (4-wire, 3-wire), I²C, interrupt pin

I/O supply voltage range: 1.6V to 3.6V

 Programmable functionality Acceleration ranges ±2g/±4g/±8g/±16g

Bandwidth 1kHz . . . 32Hz

Self test

 On-chip interrupt controller Motion-triggered interrupt-signal generation for

- orientation recognition

- any-motion detection

- tap/double tap sensing

- low-g/high-g detection

Stand-alone capability (no microcontroller needed)

 Ultra-low power ASIC Low current consumption, short wake-up time,

advanced features for system power management

 RoHS compliant, halogen-free

Typical applications

 Display profile switching

 Tap/double tap sensing

 Menu scrolling

 Gaming

 Drop detection for warranty logging

 Advanced system power management for mobile applications

General Description

The BMA220 is a triaxial, low-g acceleration sensor with digital output for consumer market

applications. It allows measurements of acceleration in three perpendicular axes. An evaluation

circuitry (ASIC) converts the output of a micromechanical acceleration-sensing structure

(MEMS) that works according to the differential capacitance principle.

Package and interface have been defined to match a multitude of hardware requirements. Since

the sensor features an ultra-small footprint and a flat package it is ingeniously suited for mobile

applications. The sensor offers a variable I/O supply voltage range from 1.6V to 3.6V and can

be programmed to optimize functionality, performance and power consumption in customer

specific applications. In addition it features an on-chip interrupt controller enabling motion-based

applications without use of a microcontroller.

The BMA220 senses tilt, motion and shock vibration in cell phones, handhelds, computer

peripherals, man-machine interfaces, virtual reality features and game controllers.

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