代理产线

SMB380

 2008-04-14

【基本数据】

【产品特性】

·Switchable g-range and bandwidth
·Low-power ASIC
·SPI (3-wire/ 4-wire) / I2C interface
·Programmable interrupt feature for mobile wake-up or free-fall detection
·Ultra-low-power self-wake-up mode
·Full selftest capability
·Absolute temperature output
·QFN package (footprint 3mm x 3mm, height 0.9mm)
·RoHS compliance
·Sensitivity axes:x/y/z
·Measurement range:±2g,±4g,±8g (switchable via SPI-I2C)
·Sensitivity(calibrated):2g:256 LSB/g; 4g:128 LSB/g; 8g:64 LSB/g
·Resolution:10bit→4mg (±2g range)
·Nonlinearity: ±0.5% FS
·Axes mixing(max.): 2%
·Zero-g-offest(calibrated):±60mg
·Zero-g-offest(temperature drift):1mg/k
·Noise:0.5mg/√Hz
·Bandwidth:25Hz ... 1500Hz (switchable via SPI/I2C)
·Digital input/ output: SPI & I2C, interrupt pin
·Supply voltage: 2.4V ... 3.6V, 1.62 ... 3.6V IO
·Current consumption:200μA
·Idle current:1μA
·Wake-up time:1ms
·Temperature range:-40∘ ... +85∘C

【产品应用】

·Advanced system power maagement for mobile applications
·HDD protection
·Drop protectin for warranty logging
·Menu scrolling, tip-tap function
·Pedometer, step-counting
·Display profile switching
·Shock detection
·Gaming

【文字介绍】

德国MEMS感测元件大厂BOSCH Sensortec针对消费性电子市场推出可自行设定功能,超小尺寸并超低耗电的SMB380三轴加速度感应元件(tri-axial acceleration sensor / G-sensor)。SMB380特别适用于人体动作界面如PS3及Wii摇杆,自由落体侦测如硬碟保护以及手持装置方向定位功能和其它需非常低耗电的应用上。
BOSCH Sensortec持续地扩充其微形化感测元件产品,SMB380相较于前一代的产品,尺寸仅有原先的一半(3mm x 3mm x 0.9mm),可应用于各式可携式产品,同时低于200uA的耗电也符合此一市场的要求。SMB380具备多种特性,例如可程序设定的Interrupt接脚…等。