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參數(shù)資料
| 型號： | MXD6125Q |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Ultra High Performance 【1g Dual Axis Accelerometer with Digital Outputs |
| 中文描述： | 超高性能【1克雙軸加速度計的數(shù)字輸出 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大小： | 104K |
| 代理商： | MXD6125Q |
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
PD
Power down pin
2
TP
Connected to ground
3
COM
Common
4
Yout
Y Channel Duty Cycle Output
5
Xout
X Channel Duty Cycle Output
6
NC
Do Not Connect
7
NC
Do Not Connect
8
V
DD
2.7V to 3.6 V
MEMSIC MXD6125Q
Page 3 of 6
2/24/2005
………………...-0.5 to +7.0V
Ordering Guide
Model
PWM
Frequency
Temperatur
e Range
-40 to 105
°
C
Package
MXD6125QB
100Hz
LCC8, Pb-free
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.
DISCUSSION OF TILT APPLICATIONS AND
RESOLUTION
Tilt Applications:
One of the most popular applications of
the MEMSIC accelerometer product line is in
tilt/inclination measurement. An accelerometer uses the
force of gravity as an input to determine the inclination
angle of an object.
A MEMSIC accelerometer is most sensitive to changes in
position, or tilt, when the accelerometer’s sensitive axis is
perpendicular to the force of gravity, or parallel to the
Earth’s surface. Similarly, when the accelerometer’s axis is
parallel to the force of gravity (perpendicular to the Earth’s
surface), it is least sensitive to changes in tilt.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MXD6125QB | 制造商:MEMSIC 功能描述:ACCELEROMETER 2 AXIS ?G LCC8 制造商:MEMSIC 功能描述:ACCELEROMETER, 2 AXIS, 1G, LCC8 |
| MXD6235MP | 制造商:Memsic Inc 功能描述:IC ACCELEROMETER XY AXIS LCC8 |
| MXD6235MP-B | 制造商:Memsic Inc 功能描述:BOARD EVAL FOR MXD6235MP |
| MXD6240AU | 功能描述:SENSOR TIP OVER AUTONOMOS VIBR 制造商:memsic inc. 系列:* 零件狀態(tài):Digi-Key 停止供應(yīng) 標(biāo)準(zhǔn)包裝:1 |
| MXD6240AU-B | 功能描述:BOARD EVAL MXD6240 TIP OVER SENS 制造商:memsic inc. 系列:- 零件狀態(tài):在售 傳感器類型:- 感應(yīng)范圍:- 接口:- 靈敏度:- 電壓 - 電源:- 嵌入式:- 所含物品:板 使用的 IC/零件:MXD6240AU 標(biāo)準(zhǔn)包裝:1 |
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