参数资料
型号: KXTF9-4100
厂商: Kionix Inc
文件页数: 17/49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
KXTF9 Register Descriptions
Accelerometer Outputs
These registers contain up to 12-bits of valid acceleration data for each axis depending on the setting
of the RES bit in CTRL_REG1, where the acceleration outputs are represented in 12-bit valid data
when RES = ‘1’ and 8 - bit valid data when RES = ‘0’. The data is updated every user -defined ODR
period, is protected from overwrite during each read, and can be converted from digital counts to
acceleration (g) per Figure 9. The register acceleration output binary data is represented in 2’s
complement format. For example, if N = 12 bits, then the Counts range is from -2048 to 2047, and if N
= 8 bits, then the Counts range is from -128 to 127.
12-bit
Register Data
Equivalent
(2’s complement)
0111 1111 1111
0111 1111 1110
0000 0000 0001
0000 0000 0000
1111 1111 1111
1000 0000 0001
1000 0000 0000
Counts in decimal
2047
2046
1
0
-1
-2047
-2048
Range = +/-2g
+1.999g
+1.998g
+0.001g
0.000g
-0.001g
-1.999g
-2.000g
Range = +/-4g
+3.998g
+3.996g
+0.002g
0.000g
-0.002g
-3.998g
-4.000g
Range = +/-8g
+7.996g
+7.992g
+0.004g
0.000g
-0.004g
-7.996g
-8.000g
8-bit
Register Data
Equivalent
(2’s complement)
0111 1111
0111 1110
0000 0001
0000 0000
1111 1111
1000 0001
1000 0000
Counts in decimal
127
126
1
0
-1
-127
-128
Range = +/-2g
+1.984g
+1.968g
+0.016g
0.000g
-0.016g
-1.984g
-2.000g
Range = +/-4g
+3.968g
+3.936g
+0.032g
0.000g
-0.032g
-3.968g
-4.000g
Range = +/-8g
+7.936g
+7.872g
+0.064g
0.000g
-0.064g
-7.936g
-8.000g
Figure 9. Acceleration (g) Calculation
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 17 of 49
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