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參數資料
| 型號： | MXD2020H |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Improved, Ultra Low Noise 【1.7 g Dual Axis Accelerometer with Digital Outputs |
| 中文描述： | 改進的，超低噪音【一點七克雙軸加速度計的數字輸出 |
| 文件頁數： | 1/7頁 |
| 文件大?。?/td> | 147K |
| 代理商： | MXD2020H |
MEMSIC MXD2020G/H/M/N
Rev.E
Page 1 of 7
3/25/2005
Improved, Ultra Low Noise
±
1.7
g
Dual Axis Accelerometer
with Digital Outputs
MXD2020G/H
MXD2020M/N
FEATURES
Resolution better than 1 milli-
g
Dual axis accelerometer fabricated on a monolithic CMOS IC
On chip mixed mode signal processing
No moving parts
50,000
g
shock survival rating
17 Hz bandwidth expandable to >160 Hz
3.0V to 5.25V single supply continuous operation
Continuous self test
Independent axis programmability (special order)
Compensated for Sensitivity over temperature
Ultra low initial Zero-g Offset
APPLICATIONS
Automotive –
Vehicle Security/Vehicle stability control/
Headlight Angle Control/Tilt Sensing
Security
– Gas Line/Elevator/Fatigue Sensing
Information Appliances
– Computer Peripherals/PDA’s/Mouse
Smart Pens/Cell Phones
Gaming
– Joystick/RF Interface/Menu Selection/Tilt Sensing
GPS
–
electronic Compass tilt Correction
Consumer
–
LCD projectors, pedometers, blood pressure
Monitor, digital cameras
GENERAL DESCRIPTION
The MXD2020G/H/M/N is a low cost, dual axis
accelerometer fabricated on a standard, submicron CMOS
process. It is a complete sensing system with on-chip
mixed mode signal processing. The MXD2020G/H/M/N
measures acceleration with a full-scale range of
±
1.7
g
and
a sensitivity of 20%/g @5V at 25
°
C
. It can measure both
dynamic acceleration (e.g. vibration) and static acceleration
(e.g. gravity).
The MXD2020G/H/M/N design is based on heat
convection and requires no solid proof mass. This
eliminates stiction and particle problems associated with
competitive devices and provides shock survival of 50,000
g,
leading to significantly lower failure rate and lower loss
due to handling during assembly.
Information furnished by MEMSIC is believed to be accurate and reliable.
However, no responsibility is assumed by MEMSIC for its use, nor for any
infringements of patents or other rights of third parties which may result from
its use. No license is granted by implication or otherwise under any patent or
patent rights of MEMSIC.
Internal
Oscillator
Sck
(optional)
CLK
Heater
Control
X axis
Y axis
Factory Adjust
Offset & Gain
LPF
LPF
Temperature
Sensor
Voltage
Reference
Vref
Dout X
Vdd
Vda
Gnd
2-AXIS
SENSOR
Dout Y
Tout
Continous
Self Test
A/D
A/D
MXD2020G/H/M/N FUNCTIONAL BLOCK DIAGRAM
The MXD2020G/H/M/N provides two digital outputs that
are set to 50% duty cycle at zero g acceleration. The
outputs are digital with duty cycles (ratio of pulse width to
period) that are proportional to acceleration. The duty
cycle outputs can be directly interfaced to a micro-
processor.
The typical noise floor is 0.2 m
g
/
Hz
allowing signals
below 1 milli-
g
to be resolved at 1 Hz bandwidth.
The
MXD2020G/H/M/N is packaged in a hermetically sealed
LCC surface mount package (5 mm x 5 mm x 2 mm height)
and is operational over a -40
°
C
to 105
°
C(M/N) and 0
°
C to
70
°
C(G/H) temperature range.
MEMSIC, Inc.
800 Turnpike St., Suite 202, North Andover, MA 01845
Tel: 978.738.0900
Fax: 978.738.0196
www.memsic.com
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| MXD2020M | Improved, Ultra Low Noise 【1.7 g Dual Axis Accelerometer with Digital Outputs |
| MXD2020N | Improved, Ultra Low Noise 【1.7 g Dual Axis Accelerometer with Digital Outputs |
| MXD202 | Low Cost, 2.0g, Dual Axis Accelerometer with Digital Outputs |
| MXD202AC | Low Cost, 2.0g, Dual Axis Accelerometer with Digital Outputs |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MXD2020HL | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Improved, Ultra Low Noise Dual Axis Accelerometer with Digital Outputs |
| MXD2020M | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Improved, Ultra Low Noise 【1.7 g Dual Axis Accelerometer with Digital Outputs |
| MXD2020ML | 制造商:MEMSIC 功能描述:ACCELEROMETER 2 AXIS ?.7G LCC8 制造商:MEMSIC 功能描述:ACCELEROMETER, 2 AXIS, 1.7G, LCC8 制造商:MEMSIC 功能描述:ACCELEROMETER, 2 AXIS, 1.7G, LCC8; MEMS Sensor Output:PWM; Measurement Axis:X, Y; Acceleration Range: 1.7g; Supply Voltage Min:3V; Supply Voltage Max:5.25V; Sensor Case Style:LCC; No. of Pins:8; Sensitivity Min:19%/g; Sensitivity ;RoHS Compliant: Yes |
| MXD2020N | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Improved, Ultra Low Noise 【1.7 g Dual Axis Accelerometer with Digital Outputs |
| MXD2020NL | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Improved, Ultra Low Noise Dual Axis Accelerometer with Digital Outputs |
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