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參數資料
| 型號： | MX205QL |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Low Cost, 5.0g, Dual Axis Accelerometer with Analog Outputs |
| 中文描述： | 低成本，5.0克，雙軸加速度計的模擬輸出 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 246K |
| 代理商： | MX205QL |
The MX205Q is a very low cost dual-axis acceleration sensor on a monolithic IC. With no moving
parts, the device is extremely reliable and is manufactured on a submicron CMOS process
enabling small geometries and small die size, resulting in low overall cost and high functionality.
The MX205Q is primarily designed for applications requiring high performance and where overall
system cost is a driving factor in component selection. The MX205Q measures acceleration with
a full-scale range of up to ± 5.0
g
and produces an Analog signal output. The X,Y accelerometer
outputs are scaled proportionately to the VDD, VDA supply voltage with the scale of 44%.Typical
noise floor is 750 μg/
√
Hz rms, allowing signals below 1 .0 milli-
g
to be resolved in 1 Hz bandwidth.
Frequency response extends to 40 Hz. The frequency response can be extended to 160 Hz with
the implementation of a simple external circuit.See Application Note (AN-00MX-003).
The MX205Q is a dc accelerometer with the capability to measure both ac accelera-
tion, (typical of vibration) or dc accelerations, (such as inertial force or constant, gravity-induced
accelerations).
The MX205Q offers a calibrated temperature sensor output with a positive temperature
coefficient of 5.0 mV/°C. This device can be temperature compensated easily. The change in
sensitivity over the temperature range –40°C to 125°C is predictable and follows the physical gas
laws. The following equation can be used to predict the sensitivity at any given temperature:
S
IN
X
(T
IN
)
2.67
= S
FIN
X (T
FIN
)
2.67
Temperature in
°
K See Application Note (AN-00MX-002).
The MX205Q is available in a metal can (TO-100) or an LCC surface mount device;both
are hermetically sealed and are operational over the temperature range -40
°
C to 125
°
C.
General Description
MX205Q (RATIOMETRIC)
Low Cost, 5.0
g
, Dual Axis Accelerometer
with Analog Outputs
Features
Dual axis acceleration outputs
Analog outputs, ratiometric
1.0
mg
Resolution in 1Hz bandwidth
40 Hz Bandwidth expandable to 160 Hz
See Application Note (AN-00MX-003)
Quiescent Supply Voltage: 3.5 mA
0
g
output voltage 2.315V (with 5V supply)
50,000
g
shock survival
2.70V to 5.25V Single Supply
On-chip mixed signal processing
Continuous sensors self test
Temperature sensor output (Tout) 5mV/
°
K
Packaged in 8 pin LCC SMD or
10 pin TO-100 THRU-HOLE
Hermetically sealed packaging
Reference voltage (V
REF
) 2.50V
Applications
Automotive -
Vehicle Security/Active Suspension/ABS/HED Angle Control
Security -
Gas Line/Elevator/Fatigue Sensing
Office Automation Equipment -
Computer Peripherals/Disk Drives/PDA
’
s/Mouse
Smart Pens/Cell Phones/Printer Head Acceleration Sensor
Gaming -
Joystick/RF Interface/Menu Selection
White Goods -
Spin/Vibration Control
Information furnished by MEMSIC is believed to be
accurate and reliable. However, no responsibility is
assumed by MEMSIC for its use, nor for any infringe-
ments of patents or other rights of third parties which
may result from its use. No license is granted by
implications or otherwise under any patent or patent
rights of MEMSIC.
Technical information.
Subject to change without notice.
MEMSIC, Inc. 2000.
100 Burtt Road, Andover, MA 01810
Tel: 978.623.8188 Fax: 978.623.9945
www.memsic.com
MX205Q ANALOG Data Sheet M 8/1/01
Page 1 of 8
Data Sheet
MX205Q
Block Diagram of MX20XX
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