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参数资料
| 型号： | LIS3L02AL |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PBGA8 |
| 封装： | 5 X 5 MM, 1.60 MM HEIGHT, PLASTIC, LGA-8 |
| 文件页数： | 2/17页 |
| 文件大小： | 257K |
| 代理商： | LIS3L02AL |
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Application hints
LIS3L02AL
10/17
4
Application hints
Figure 3.
LIS3L02AL electrical connection
Power supply decoupling capacitors (100nF ceramic or polyester + 10
F Aluminum) should
be placed as near as possible to the device (common design practice).
The LIS3L02AL allows to band limit Voutx, Vouty and Voutz through the use of external
capacitors. The re-commended frequency range spans from DC up to 1.5 KHz. In particular,
capacitors must be added at output pins to implement low-pass filtering for antialiasing and
noise reduction. The equation for the cut-off frequency (ft) of the external filters is:
Taking in account that the internal filtering resistor (Rout) has a nominal value equal to
110k
, the equation for the external filter cut-off frequency may be simplified as follows:
The tolerance of the internal resistor can vary typically of ±20% within its nominal value of
110k
; thus the cut-off frequency will vary accordingly. A minimum capacitance of 1nF for
Cload(x, y, z) is required in any case.
.
Table 5.
Filter capacitor selection, Cload (x,y,z)
Cut-off frequency
Capacitor value
1 Hz
1500 nF
10 Hz
150 nF
20 Hz
68 nF
50 Hz
30 nF
100 Hz
15 nF
200 Hz
6.8 nF
500 Hz
3 nF
DIRECTION OF THE
DETECTABLE
ACCELERATIONS
1
Y
X
Z
Digital signals
Vout Z
Cload z
Optional
Vout X
100nF
Cload x
LIS3L02AL
10
F
Vdd
Vout Y
GND
Cload y
(top view)
Optional
GND
ST
f
t
1
2
π R
out
C
load
xyz
,,
()
--------------------------------------------------------------------
=
f
t
1.45
F
C
load
xyz
,,
()
------------------------------------- Hz
[]
=
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相关代理商/技术参数 |
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|---|---|
| LIS3L02AL | 制造商:STMicroelectronics 功能描述:ACCELEROMETER 3 AXIS LGA-8 302 |
| LIS3L02ALETR | 制造商:ST 功能描述:MEMS INERTIAL SENSOR: 3-Axis - ??2g/??6g LINEAR ACCELEROMETER |
| LIS3L02ALTR | 功能描述:加速计 - 板上安装 MEMS INERTIAL snsr 3 axis 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 |
| LIS3L02AQ | 功能描述:加速计 - 板上安装 3 Axis 2g/6g Linear 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 |
| LIS3L02AQ3 | 功能描述:加速计 - 板上安装 3-axis +/-2g/+/-6g MEMS Intertial Sensr 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 |
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