1、MXC6225XU中文资料Powerful Sensing Solutions for a Better LifeDTOS 加速度计完全集成式热价速度计MXC6225XUMXC6225XU - DTOS Accelerometer 2010 MEMSIC, Inc. Information furnished by MEMSIC is believed to be accurate and reliable. However, no responsibility is assumed by MEMSICOne Technology Drive, Suite 325 Andover, MA 01
2、810, USA for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No licenseTel: +1 978 738 0900 Fax: +1 978 738 0196 is the property of MEMSIC, Inc., is considered proprietary, and is not to be reproduced without the specific written permissi
3、on of MEMSIC, Inc.03.02.2011Translation by Yang Zijian (2014/10/30 yangzijian_2009_12)Powerful Sensing Solutions for a BetterDTOS ACCELEROMETERLifeMXC6225XU: Fully Integrated Thermal Accelerometer产品特点完全集成式热价速度计概述X/Y 双轴8位,加速度A/D输出 ( 2g)美信数字热方向传感器(DTOS)是世界上第一款全集成的方向传感器,它是基于我们热微机电的专绝对0G误差小于 +/- 50mg利技术
4、和 0.18uM 标准 CMOS 工艺制成。传感器不包含移动部件,从而消除了那些竞争产品在相关领4位置方向检测域出现的可靠性和可重复性方面的问题。同样,也消除了基于摆球方位传感器引起的可听见的“咔哒”具有中断输出的震动检测声。传感器的抗冲击能力超过 5000g,可以检测 4 个位置的方向并且具有震动和震动方向检测的功能。可编程的晃动阈值电压此外,传感器还能提供非常低的 0g 偏移 X/Y 轴加速信号。此加速度计使用 I2C 通信方式和外界连接,晃动方向检测提供中断(INT)引脚用以输出振动和方向的改变信号。该器件还可以同过 I2C 接口编程使其进入节I2C 接口能模式。节能模式抗冲击能力超过
5、50,000 g工作电源电压2.5V5.5V功能框图不产生机械噪声(click)封装尺寸 3x3x1mm应用消费类:手机数码相机数码摄像机液晶电视玩具MP3、MP4 播放器图 1家庭安防:传感器采用 6 引脚密闭标贴封装(3mmX3mmX1mm),该产品是符合 RoHS 标准,可以工作在-20暖风机70 的温度范围内。卤素灯泡Iron散热风扇MXC6225XU - DTOS Accelerometer 2010 MEMSIC, Inc. Information furnished by MEMSIC is believed to be accurate and reliable. Howeve
6、r, no responsibility is assumed by MEMSICOne Technology Drive, Suite 325 Andover, MA 01810, USA for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No licenseTel: +1 978 738 0900 Fax: +1 978 738 0196 is the property of MEMSIC, Inc., is co
7、nsidered proprietary, and is not to be reproduced without the specific written permission of MEMSIC, Inc.03.02.20112Powerful Sensing Solutions for a BetterDTOS ACCELEROMETERLifeMXC6225XU: Fully Integrated Thermal Accelerometer引脚描述:LCC6封装引脚名称描述1INTDTOS 中断输出,此引脚的逻辑电平反映了 STATUS 寄存器 INT 位的状态。当数据和最后一次处理器
8、读取的方向数据不一致或检测到震动时,INT 置位。当 STATUS 寄存器读取之后,INT 位清零。2NC正常工作时,此引脚悬空。3VDDDTOS 电源输入引脚,直流电源范围 2.55.5V。4I2C SCL此引脚是 DTOS I2C 接口串行时钟端,因为 DTOS 仅仅作为从机使用,所以此端口只能输入。5I2C SDA此引脚是 DTOS I2C 接口串行数据端,这是一个双向端口,当向 DTOS写入数据时是输入口,当读取数据时是输出口。图 2俯视图6GNDDTOS 电源地引脚。绝对最大额定参数电源电压(VDD)-0.5 V +7.0V储存温度-40C +150C最大加速度5000g*超出上述绝
9、对最大额定值使用可能会造成器件永久性损坏。器件工作在这些条件下或在超过规范中关于使用部分的规定的条件下时,其功能得不到保证。图3侧视图器件长时间在绝对最大额定参数下工作可能会影响其可靠性。电气规格 1参数(单位)条件最小值典型值最大值工作电压范围(V)2.55.5电源电流(MA)上电模式0.91掉电模式0.00040.001起动时间(ms)2300500关断时间(ms)1工作温度范围()-20+70电源上升时间(ms)310注意事项:1、除特别标注外,所有规格均在 3V 电压和室温条件下测量;2、有效时间数据是在推出掉电模式之后获取的;3、最大允许电源上升时间是从 0.25VA 到 2.5V(
10、最小值)图4底视图的时间,缓慢的电源上升时间可能导致上电瞬间从 OTP 寄存器中取回错误的数据。传感器特性 1:LCC6封装图封装厚度:1.05mm +/- 0.1mm参数(单位)条件最小值典型值最大值测量范围(g)X/Y 轴2.0校正误差()X/Y 轴1.02.0灵敏度误差(%)X/Y 轴-505灵敏度(LSB/g)X/Y 轴64灵敏度温度漂移(%)25 Delta 值12180g 失调偏置(mg)X/Y 轴(25)-30+300g 偏移温度系数(mg/)X/Y 轴(-20-70)0.33db 信号带宽(Hz)10注意事项:1、除特别标注外,所有参数均在 3V 电压和室温条件下测量。MXC6
11、225XU - DTOS Accelerometer 2010 MEMSIC, Inc.Information furnished by MEMSIC is believed to be accurate and reliable. However, no responsibility is assumed by MEMSICOne Technology Drive, Suite 325 Andover, MA 01810, USAfor its use, nor for any infringements of patents or other rights of third parties
12、 which may result from its use. No licenseTel: +1 978 738 0900 Fax: +1 978 738 0196is the property of MEMSIC, Inc., is considered proprietary, and is not to be reproduced without the specific writtenpermission of MEMSIC, Inc.03.02.2011Powerful Sensing Solutions for a BetterDTOS ACCELEROMETERLifeMXC6
13、225XU: Fully Integrated Thermal Accelerometer数字参数:符号参数(单位)最小值典型值最大值VIH高电平输入电压(Volts)0.8*VDDVIL低电平输入电压(Volts)0.2*VDDVHYS施密特触发器输入滞回电压(Volts)0.1IIL所有输入漏电流(uA)-10+10IOL低电平输出电压(Volts)0.4数字开关特性:符号参数(单位)最小值典型值最大值top操作有效时间(us)120fSCLSCK 时钟频率(Hz)0400tr上升时间(us)0.3tf下降时间(us)0.3tlowSCL 低电平时间(us)1.3thighSCL 高电平时
14、间(us)0.6tHD;D数据保持时间(us)00.9tSU;D数据建立时间(us)0.1tSU;S起始建立时间(us)0.6tHD;S起始保持时间(us)0.6tSU;P停止建立时间(us)0.6tBF起始和停止间的总线空闲时间(us)1.3注意事项:1、通过 I2C 接口对 DTOS 进行操作的时间要在电源电压到达 VDD 之后。图 5 2010 MEMSIC, Inc.One Technology Drive, Suite 325 Andover, MA 01810, USA Tel: +1 978 738 0900 Fax: +1 978 738 0196 03.02.2011MXC6
15、225XU - DTOS AccelerometerInformation furnished by MEMSIC is believed to be accurate and reliable. However, no responsibility is assumed by MEMSIC for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is the property of MEMSIC, I
16、nc., is considered proprietary, and is not to be reproduced without the specific written permission of MEMSIC, Inc.4Powerful Sensing Solutions for a BetterDTOS ACCELEROMETERLifeMXC6225XU: Fully Integrated Thermal Accelerometer注意事项:电路原理图:R1 和 R2 是上拉电阻,它的值可以由用户根据主机的需要确定;INT 引脚不需要任何上拉或下拉电阻;如果 INT 引脚不需要
17、,可以保持悬空,不要上拉和下拉;让 NC 引脚保持不连接。图 6焊盘布局(单位:mm)图 7Powerful Sensing Solutions for a BetterDTOS ACCELEROMETERLifeMXC6225XU: Fully Integrated Thermal Accelerometer注意事项:回流焊温度曲线:回流次数限制为 2 次;第二次回流要在期间温度冷却到 25(室温)以下进行;这是无铅工艺回流焊温度曲线;传感器表面温度峰值限制在 26010s 以下。图 8 回流焊温度曲线注意事项:手工焊接:当使用手工焊接或者通过烙铁修理玻璃熔块封装的器件时,烙铁的接触时间应该
18、小于 10s 且温度不能超过 275;如果使用热风枪,则使用时间不应超过 10s 温度不应超过 270。传感器安装完成之后避免 PCB 弯曲。图 9 玻璃熔块封装MXC6225XU - DTOS Accelerometer 2010 MEMSIC, Inc. Information furnished by MEMSIC is believed to be accurate and reliable. However, no responsibility is assumed by MEMSICOne Technology Drive, Suite 325 Andover, MA 01810,
19、 USA for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No licenseTel: +1 978 738 0900 Fax: +1 978 738 0196 is the property of MEMSIC, Inc., is considered proprietary, and is not to be reproduced without the specific written permission o
20、f MEMSIC, Inc.03.02.20116Powerful Sensing Solutions for a BetterDTOS ACCELEROMETERLifeMXC6225XU: Fully Integrated Thermal Accelerometer方向/震动特性DTOS 输出状态响应方向方向方向状态位1,0如果传感器旋转超过 45 度的阈值角度,且传感器在此状态保持设定的一段时间,传感器寄00存器的方向位就会改变。如果传感器在设定时间之前返回原始状态,则寄存器方向位保持不变,这是为了防止方向状态的抖动。四个可编程的延迟时间用户可以使用:160,320,640 和 1280
21、ms。011011图 11 图 12DTOS 保准能够检测离轴倾角高达 60 度的方向改变的。DTOS 震动检测震动和震动的方向是垂直于屏幕方向的。中断输出引脚(INT)置高,并且必须用 MCU 通过 I2C 接口将其清零。四个可编程的阈值加速度用户可以使用:0.5g,1g,1.5g,2g。图 10图 13 2010 MEMSIC, Inc.One Technology Drive, Suite 325 Andover, MA 01810, USA Tel: +1 978 738 0900 Fax: +1 978 738 0196 03.02.2011MXC6225XU - DTOS AccelerometerInformation furnished by MEMSIC is believed to be accurate and reliable. However, no responsibility is assumed by MEMSIC for its use, nor for any infringements of
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