参数资料
型号: KXTF9-4100
厂商: Kionix Inc
文件页数: 48/49页
文件大小: 0K
描述: IC ACCELEROMETER TRI-AXIS 10-LGA
应用说明: Sensor Handling, Mounting, Soldering
KXTF9 Getting Started
标准包装: 1
系列: KXTF9
轴: X,Y,Z
加速范围: ±2g,4g,8g
灵敏度: 64计数/g,32计数/g,16计数/g(8位,1024计数/g,512计数/g,256计数/g(12位)
电源电压: *
输出类型: 数字 - I²C
带宽: 400Hz
接口: I²C
安装类型: 表面贴装
封装/外壳: 10-VFLGA
供应商设备封装: 10-LGA(3x3)
其它名称: 1191-1001-6
PART NUMBER:
± 2g / 4g / 8g Tri-axis Digital
Accelerometer Specifications
KXTF9-4100
Rev. 6
Jun-2011
Double Tap Detection
An event can be characterized as a double tap only if the second tap crosses the performance index
(TDT_L_THRESH) outside the TDT_TIMER. This means that the TDT_TIMER determines the
minimum time separation that must exist between the two taps of a double tap event. Similar to the
single tap, the second tap event must exceed the performance index for the time limit contained in
TDT_TAP_TIMER. The double tap will be reported at the end of the second TDT_LATENCY_TIMER.
Figure 7 shows a double tap event meeting the PI, latency and window requirements.
Calculated Performance Index
PI
200
150
TDT_WINDOW_TIMER
TDT_TIMER
100
TDT_LATENCY_TIMER
50
TDT_L_THRESH
0
TDT_LATENCY_TIMER
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
time(sec)
Figure 7. Double Directional Tap TM Timing
36 Thornwood Dr. – Ithaca, NY 14850
tel: 607-257-1080 – fax:607-257-1146
www.kionix.com - info@kionix.com
? 2010 Kionix – All Rights Reserved
425-2397-1106241613
Page 48 of 49
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