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參數(shù)資料
| 型號： | LIS331ALTR |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | MEMS inertial sensor: 3-axis - 【2g analog output “nano” accelerometer |
| 中文描述： | MEMS慣性傳感器：3軸- 【2G的模擬輸出“納米”加速度 |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 159K |
| 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
μ
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 (f
t
) of the external
filters is in this case:
Taking into account that the internal filtering resistor (R
out
) 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
C
load
(x, y, z) is required.
Table 6.
Filter capacitor selection, C
load
(x,y,z)
Cut-off frequency
Capacitor value
1 Hz
5
μ
F
10 Hz
0.5
μ
F
20 Hz
250nF
50 Hz
100nF
Pin 1 indicator
Vdd
GND
10
μ
F
GND
100nF
GND
(Top view)
Direction of the
detectable
accelerations
Y
1
X
Z
Digital signals
LIS331AL
(top view)
ST
1
2
3
5
13
12
Cload y
Vout x
Cload x
Optional
Vout y
Cload z
Vout z
4
11
10
9
16
15 14
6
7
8
PD
f
t
C
load
x y z
2
π
R
out
(
)
------------------------------------------------------------------------
=
f
t
(
C
load
x y z
)
--------------------------------------
Hz
[
]
=
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| LIS331DL | MEMS motion sensor 3-axis - 【2g/【8g smart digital output “nano” accelerometer |
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| LIS3L02AQ3 | MEMS INERTIAL SENSOR: 3-Axis - ?g/?g LINEAR ACCELEROMETER |
| LIS3L02AQ3TR | MEMS INERTIAL SENSOR: 3-Axis - ?g/?g LINEAR ACCELEROMETER |
| LIS3L02DQ | INERTIAL SENSOR: 3Axis - 2g DIGITAL OUTPUT LINEAR ACCELEROMETER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LIS331DL | 功能描述:加速計 - 板上安裝 MEMS MOTION SENSOR 3-AXIS RoHS:否 制造商:Murata 傳感軸:Double 加速:12 g 靈敏度: 封裝 / 箱體: 輸出類型:Analog 數(shù)字輸出 - 位數(shù):11 bit 電源電壓-最大:5.25 V 電源電壓-最小:4.75 V 電源電流:4 mA 最大工作溫度:+ 125 C 最小工作溫度:- 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 制造商全稱:STMicroelectronics 功能描述:MEMS motion sensor 3-axis - 【2g/【8g smart digital output -nano-accelerometer |
| LIS331DLF | 功能描述:加速計 - 板上安裝 DGTL OUTPT MTN SEN MEMS ULTRA LO PWR RoHS:否 制造商:Murata 傳感軸:Double 加速:12 g 靈敏度: 封裝 / 箱體: 輸出類型:Analog 數(shù)字輸出 - 位數(shù):11 bit 電源電壓-最大:5.25 V 電源電壓-最小:4.75 V 電源電流:4 mA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C |
| LIS331DLFTR | 功能描述:加速計 - 板上安裝 DGTL OUTPT MTN SEN MEMS ULTRA LO PWR RoHS:否 制造商:Murata 傳感軸:Double 加速:12 g 靈敏度: 封裝 / 箱體: 輸出類型:Analog 數(shù)字輸出 - 位數(shù):11 bit 電源電壓-最大:5.25 V 電源電壓-最小:4.75 V 電源電流:4 mA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C |
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