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參數資料
| 型號： | MXR7210G |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Low Cost, Low Noise 【10 g Dual Axis Accelerometer with Ratiometric Analog Outputs |
| 中文描述： | 低成本，低噪聲【10克雙軸加速度計成比例模擬輸出 |
| 文件頁數： | 3/8頁 |
| 文件大?。?/td> | 108K |
| 代理商： | MXR7210G |
ABSOLUTE MAXIMUM RATINGS*
Supply Voltage (V
DD
)
Storage Temperature ……….…………-65
°
C to +150
°
C
Acceleration ……………………………………..50,000
g
*Stresses above those listed under Absolute Maximum Ratings may cause permanent
damage to the device. This is a stress rating only; the functional operation of the
device at these or any other conditions above those indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
Pin Description: LCC-8 Package
Pin
Name
Description
1
NC
Do Not Connect
2
TP
Connect to ground
3
COM
Common
4
NC
Do Not Connect
5
NC
Do Not Connect
6
Yout
Y Channel Output
7
Xout
X Channel Output
8
V
DD
2.7V to 5.25V
MEMSIC MXR7210G/M
Rev.F
Page 3 of 8
3/24/2005
………………...-0.5 to +7.0V
Ordering Guide
Model
Package Style
Temperature
Range
0 to 70
°
C
MXR7210GL
LCC8
RoHS compliant
LCC8, Pb-free
LCC8
RoHS compliant
LCC8, Pb-free
MXR7210GF
0 to 70
°
C
-40 to +105
°
C
MXR7210ML
MXR7210MF
-40 to +105
°
C
All parts are shipped in tape and reel packaging.
Caution:
ESD (electrostatic discharge) sensitive device.
Note:
The MEMSIC logo’s arrow indicates the -X sensing
direction of the device. The +Y sensing direction is rotated 90
°
away from the +X direction following the right-hand rule. Small
circle indicates pin one(1).
THEORY OF OPERATION
The MEMSIC device is a complete dual-axis acceleration
measurement system fabricated on a monolithic CMOS IC
process. The device operation is based on heat transfer by
natural convection and operates like other accelerometers
having a proof mass. The proof mass in the MEMSIC
sensor is a gas.
A single heat source, centered in the silicon chip is
suspended across a cavity. Equally spaced
aluminum/polysilicon thermopiles (groups of
thermocouples) are located equidistantly on all four sides of
the heat source (dual axis). Under zero acceleration, a
temperature gradient is symmetrical about the heat source,
so that the temperature is the same at all four thermopiles,
causing them to output the same voltage.
Acceleration in any direction will disturb the temperature
profile, due to free convection heat transfer, causing it to be
asymmetrical. The temperature, and hence voltage output
of the four thermopiles will then be different. The
differential voltage at the thermopile outputs is directly
proportional to the acceleration. There are two identical
acceleration signal paths on the accelerometer, one to
measure acceleration in the x-axis and one to measure
acceleration in the y-axis. Please visit the MEMSIC
website at www.memsic.com for a picture/graphic
description of the free convection heat transfer principle.
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相關代理商/技術參數 |
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| MXR7210M | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Low Cost, Low Noise 【10 g Dual Axis Accelerometer with Ratiometric Analog Outputs |
| MXR7210ML | 制造商:MEMSIC 功能描述:ACCELEROMETER 2 AXIS ?0G LCC8 制造商:MEMSIC 功能描述:ACCELEROMETER, 2 AXIS, 10G, LCC8 |
| MXR7250VW | 功能描述:Accelerometer X, Y Axis ±5g 27Hz 8-LCC 制造商:memsic inc. 系列:- 包裝:剪切帶（CT） 零件狀態(tài):停產 類型:模擬 軸:X，Y 加速度范圍:±5g 靈敏度（LSB/g）:- 靈敏度（mV/g）:250 帶寬:27Hz 輸出類型:模擬電壓 電壓 - 電源:4.5 V ~ 5.25 V 特性:- 工作溫度:-40°C ~ 95°C（TA） 安裝類型:表面貼裝 封裝/外殼:8-LCC 供應商器件封裝:8-LCC 標準包裝:1 |
| MXR7250VW-B | 功能描述:MXR7250VW - Accelerometer, 2 Axis Sensor Evaluation Board 制造商:memsic inc. 系列:- 零件狀態(tài):有效 傳感器類型:加速計，2 軸 感應范圍:±5g 接口:模擬 靈敏度:250mV/g 電壓 - 電源:4.5 V ~ 5.25 V 嵌入式:否 所含物品:板 使用的 IC/零件:MXR7250VW 標準包裝:1 |
| MXR7305VF | 制造商:MEMSIC INC 功能描述:IC ACCELEROMETER XY AXIS LCC8 |
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