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参数资料
| 型号： | LIS331ALTR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, QCC16 |
| 封装： | 3 X 3 MM, 1 MM HEIGHT, GREEN, LGA-16 |
| 文件页数： | 4/16页 |
| 文件大小： | 190K |
| 代理商： | LIS331ALTR |
Application hints
LIS331AL
12/16
4
Application hints
Figure 3.
LIS331AL electrical connection
Power supply decoupling capacitors (100 nF ceramic or polyester + 10
F aluminum) should
be placed as near as possible to the device (common design practice).
The LIS331AL allows to band limit Voutx, Vouty and Voutz through the use of external
capacitors. The recommended frequency range spans from DC up to 2.0 kHz. In particular,
capacitors are added at output Voutx, Vouty, Voutz pins to implement low-pass filtering for
antialiasing and noise reduction. The equation for the cut-off frequency (ft) of the external
filters is in this case:
Taking into account that the internal filtering resistor (Rout) has a nominal value equal to 32
k
, 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 32
k
; thus the cut-off frequency will vary accordingly. A minimum capacitance of 2.5 nF for
Cload(x, y, z) is required.
Table 6.
Filter capacitor selection, Cload (x,y,z)
Cut-off frequency
Capacitor value
1 Hz
5
F
10 Hz
0.5
F
20 Hz
250nF
50 Hz
100nF
Pin 1 indicator
Vdd
GND
100nF
10
F
GND
(Top view)
Direction of the
detectable
accelerations
Y
1
X
Z
Digital signals
LIS331AL
(top view)
ST
1
5
13
Cload y
Vout x
Cload x
Optional
Vout y
Cload z
Vout z
2
3
4
12
11
10
9
16
15 14
6
7
8
PD
f
t
1
2
π R
out
C
load xy
z
,,
()
-------------------------------------------------------------------------
=
f
t
5
F
C
load xy
z
,,
()
--------------------------------------- Hz
[]
=
相关PDF资料 |
PDF描述 |
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| LIS331DLF | SPECIALTY ANALOG CIRCUIT, PBCC16 |
| LIS331DLHTR | SPECIALTY ANALOG CIRCUIT, PBCC16 |
| LIS331DLMTR | SPECIALTY ANALOG CIRCUIT, PBCC16 |
| LIS331DL | MOTION SENSOR, PQCC16 |
| LIS331DLTR | MOTION SENSOR, PQCC16 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LIS331DL | 功能描述:加速计 - 板上安装 MEMS MOTION SENSOR 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 |
| LIS331DL | 制造商:STMicroelectronics 功能描述:ACCELEROMETER, MEMS, 3-AXIS, DIGITAL O/P, LGA-16; MEMS Sensor Output:Digital; Measurement Axis:X, Y, Z; Acceleration Range: 2g, 8g; Supply Voltage Min:2.16V; Supply Voltage Max:3.6V; Sensor Case Style:LGA; No. of Pins:16 ;RoHS Compliant: No |
| LIS331DL_08 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:MEMS motion sensor 3-axis - 【2g/【8g smart digital output -nano-accelerometer |
| LIS331DLF | 功能描述:加速计 - 板上安装 DGTL OUTPT MTN SEN MEMS ULTRA LO PWR 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 |
| LIS331DLFTR | 功能描述:加速计 - 板上安装 DGTL OUTPT MTN SEN MEMS ULTRA LO PWR 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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