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PDF ( 数据手册 , 数据表 ) MX210Q

零件编号 MX210Q
描述 Low Cost / Dual Axis Accelerometer with Analog Outputs
制造商 Memsic
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MX210Q 数据手册, 描述, 功能
Data Sheet
MX210Q (RATIOMETRIC)
MX210Q
Page 1 of 8
Low Cost, 10g, Dual Axis Accelerometer
with Analog Outputs
General Description
The MX210Q 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 MX210Q is primarily designed for applications requiring high performance and where overall
system cost is a driving factor in component selection. The MX210Q measures acceleration with
a full-scale range of up to ±10g 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 MX210Q 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 MX210Q 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: SIN X
(TIN)2.67 = SFIN X (TFIN)2.67 Temperature in °K See Application Note (AN-00MX-002).
The MX210Q 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.
Applications
• Automotive - Vehicle Security/Active Suspension/ABS/HED Angle Control
Security - Gas Line/Elevator/Fatigue Sensing
Office Automation Equipment - Computer Peripherals/Disk Drives/PDAs/Mouse
Smart Pens/Cell Phones/Printer Head Acceleration Sensor
Gaming - Joystick/RF Interface/Menu Selection
White Goods - Spin Vibration Control
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
0g output voltage 2.315V (with 5V supply)
50,000g 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 (VREF) 2.50V
Block Diagram of MX21XX
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.
MX210Q ANALOG Data Sheet N 8/1/01
®MEMSIC, Inc. 2000.
100 Burtt Road, Andover, MA 01810
Tel: 978.623.8188 • Fax: 978.623.9945
www.memsic.com







MX210Q pdf, 数据表
Printed Circuit Board Layout and
Filter Requirements
Data Sheet
MX210Q
Page 8 of 8
R3=
C3=
R4=
C4=
Layout Notes
1. Use robust low inductance ground
wiring
2. Liberal use of ceramic bypass
capacitors
3. The capacitors should be located
as close as possible to the device
supply pins (VDA, VDD).
4. The capacitor lead length should
be as short as possible. Surface
mount capacitors are preferred.
Filtering Notes
1. Low pass filter 200Hz, -3db
2. Ceramic capacitors C3, C4
3. f = 1/2πRC
4. Resistor R3, R4 1/8 Watt,
5% tolerance
5. Reference Application Note
# AN-00MX-004
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.
MX201Q ANALOG Data Sheet N 8/1/01
®MEMSIC, Inc. 2000.
100 Burtt Road, Andover, MA 01810
Tel: 978.623.8188 Fax: 978.623.9945
www.memsic.com














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