參數(shù)資料
型號: LIS2L06ALTR
廠商: 意法半導(dǎo)體
英文描述: MEMS INERTIAL SENSOR: 2-axis - +/- 2g/6g ULTRACOMPACT LINEAR ACCELEROMETER
中文描述: MEMS慣性傳感器:2軸- / - 2g/6g超小型線性加速度計
文件頁數(shù): 10/17頁
文件大小: 181K
代理商: LIS2L06ALTR
4 Application hints
LIS2L06AL
10/17
CD00068417
4
Application hints
Figure 3.
LIS2L06AL Electrical Connection
Power supply decoupling capacitors (100nF ceramic or polyester + 10
μ
F Aluminum) should be
placed as near as possible to the device (common design practice).
The LIS2L06AL allows to band limit Voutx and Vouty through the use of external capacitors.
The re-commended frequency range spans from DC up to 2.0kHz. 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 (f
t
) of the external filters is:
Taking in account that the internal filtering resistor (R
out
) has a nominal value equal to 110k
,
the equation for the external filter cut-off frequency may be simplified as follows:
C
load
x y
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 723 pF for
C
load
(x, y) is required in any case.
DIRECTION OF THE
DETECTABLE
ACCELERATIONS
1
X
Vout Y
100nF
Cload y
LIS2L06AL
10
μ
F
Vdd
Vout X
GND
GND
Cload x
(top view)
Optional
Optional
Digital signals
GND
ST
FS
f
t
2
π
R
out
C
load
x y
(
)
---------------------------------------------------------
=
f
t
(
)
-----------------------------
Hz
[
]
=
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