收藏本站
3.11
Overload Response
3.11.1 Overload Performance
MMA68xx is designed to operate within a specified range. Acceleration beyond that range (overload) impacts the output of the
sensor. Acceleration beyond the range of the device can generate a DC shift at the output of the device that is dependent upon
the overload frequency and amplitude. The MMA68xx g-cell is overdamped, providing the optimal design for overload perfor-
mance. However, the performance of the device during an overload condition is affected by many other parameters, including:
? g-cell damping
? Non-linearity
? Clipping limits
? Symmetry
Figure 32 shows the g-cell, ADC and output clipping of MMA68xx over frequency. The relevant parameters are specified in
Section 2.1 , and Section 2.6 .
Acceleration (g)
g-cell Rolloff
Reg
R eg
g-ce
d by
Clip
n du
e to
yA
ortio -Linear
ed b ist
al D d Non
Sign y an
egio symm
A
g g-cell_Clip
g ADC_Clip
Region Clipped
by Output
LPF Rolloff
ion
i on
pe
C lipp
R
n of etr
ll
DC ity
Determined by g-cell
roll-off and ADC clipping
Determined by g-cell
roll-off and full scale range
g Range_Norm
Region of Interest
Region of No Signal Distortion Beyond
Specification
f LPF
f g-Cell
5kHz
10kHz
Frequency (kHz)
Figure 32. Output Clipping Vs. Frequency
3.11.2 Sigma Delta Over Range Response
Over range conditions exist when the signal level is beyond the full-scale range of the device but within the computational limits
of the DSP. The ΣΔ converter can saturate at levels above those specified in Section 2.1 (G ADC_CLIP ). The DSP operates pre-
dictably under all cases of over range, although the signal may include residual high frequency components for some time after
returning to the normal range of operation due to non-linear effects of the sensor.
MMA68xx
Sensors
Freescale Semiconductor, Inc.
43
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*
相关PDF资料
MMA6854KW IC ACCELEROMETER X AXIS 16QFN
MMA7331LR2 ACCELEROMETER 4G XYZ ENH 14-LGA
MMA8451QT IC ACCELEROMETER 3AXIS 16QFN
MMA8452QR1 IC ACCELER 2G/4G/8G 3AXIS 16QFN
MMA8453QR1 IC ACCELER 2G/4G/8G 3AXIS 16QFN
MMBF0201NLT1 MOSFET N-CH 20V 300MA SOT-23
MMBF170-7 MOSFET N-CH 60V 500MA SOT23-3
MMBF170LT1 MOSFET N-CH 60V 500MA SOT-23
相关代理商/技术参数
MMA6826AKWR2 功能描述:加速计 - 板上安装 XY-AXIS 60/ 60G RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C
MMA6826BKW 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Dual-Axis SPI Inertial Sensor
MMA6826BKWR2 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:Dual-Axis SPI Inertial Sensor
MMA6826KW 功能描述:加速计 - 板上安装 XY-AXIS 60/ 60G QFN RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C
MMA6826KWR2 功能描述:加速计 - 板上安装 XY-AXIS 60/ 60G QFN RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C
MMA6827BKW 功能描述:加速计 - 板上安装 XY-AXIS 120/120G QFN RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C
MMA6827BKWR2 功能描述:加速计 - 板上安装 XY-AXIS 120/120G QFN RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C
MMA6827KW 功能描述:加速计 - 板上安装 XY-AXIS 120/120G QFN RoHS:否 制造商:Murata 传感轴:Double 加速:12 g 灵敏度: 封装 / 箱体: 输出类型:Analog 数字输出 - 位数:11 bit 电源电压-最大:5.25 V 电源电压-最小:4.75 V 电源电流:4 mA 最大工作温度:+ 125 C 最小工作温度:- 40 C