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參數(shù)資料
| 型號(hào)： | MXR9500G |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Low Cost 【1.5 g Tri Axis Accelerometer with Ratiometric Outputs |
| 中文描述： | 低成本【1.5克三軸加速度計(jì)成比例輸出 |
| 文件頁(yè)數(shù)： | 4/5頁(yè) |
| 文件大?。?/td> | 154K |
| 代理商： | MXR9500G |
THEORY OF OPERATION
The MEMSIC device is a complete tri-axis acceleration
measurement system in a single package fabricated on
CMOS IC process. The device operation is based on heat
transfer by natural convection and operates like other
accelerometers having a proof mass except it is a gas in
MEMSIC sensor.
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. 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. Please visit the MEMSIC
website at www.memsic.com for a picture/graphic
description of the free convection heat transfer principle.
Page 4 of
5
8/26/2005
MEMSIC MXR9500G/M
Preliminary
MXR9500G/M PIN DESCRIPTIONS
VDD1, VDD2, VDD3
– These pins are the supply input for
the circuits and the sensor heater in the
accelerometer
. The
DC voltage should be between 2.7 and 3.6 volts. Refer to
the section on PCB layout and fabrication suggestions for
guidance on external parts and connections recommended.
VSA1, VSA2
– These pins are ground pin for the
accelerometer.
SCK1, SCK2
– These pins are for factory used only, should
be connect to ground.
DI1, DI2
– These pins are the power down control pin. Pull
these pins HIGH will put the accelerometer into power
down mode. When the part goes into power down mode,
the total current will be smaller than 0.1uA at 3V.
In normal operation mode, this pin should be
connected to Ground.
Xout
– This pin is the analog output of the X-axis
acceleration sensor.
Yout
–
This pin is the analog output of the Y-axis
acceleration sensor
Zout
–
This pin is the analog output of the Z-axis
acceleration sensor.
POWER SUPPLY NOISE REJECTION
One capacitor is recommended for best rejection of power
supply noise. The capacitor should be located as close as
possible to the device supply pin (VDD1,VDD3). The
capacitor lead length should be as short as possible, and
surface mount capacitor is preferred. For typical
applications, the capacitor can be ceramic 0.1 μF.
PCB LAYOUT AND FABRICATION SUGGESTIONS
1. It is best to solder a 0.1uF capacitor directly across
VDD1, VSA1 and VDD3, VSA2 pin.
2. Robust low inductance ground wiring should be used.
VDD1
VDD3
MEMSIC
Accelerometer
Power Supply
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PDF描述 |
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| MXR9500M | Low Cost 【1.5 g Tri Axis Accelerometer with Ratiometric Outputs |
| MZPS2005610A | Miniature Relays Series M Type MZ 2 poles 10A Monostable |
| MZPC0024110A | Circular Connector; No. of Contacts:26; Series:; Body Material:Aluminum; Connecting Termination:Solder; Connector Shell Size:16; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:16-26 |
| MZPC0024210A | Circular Connector; Body Material:Aluminum; Series:PT06; No. of Contacts:26; Connector Shell Size:16; Connecting Termination:Crimp; Circular Shell Style:Straight Plug; Circular Contact Gender:Socket; Insert Arrangement:16-26 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MXR9500M | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Low Cost 【1.5 g Tri Axis Accelerometer with Ratiometric Outputs |
| MXR9500MZ | 制造商:MEMSIC INC 功能描述:IC ACCELEROMETER 3-AXIS LCC16 制造商:MEMSIC 功能描述:ACCELEROMETER 3 AXIS ?.5G SMD 制造商:MEMSIC 功能描述:ACCELEROMETER, 3 AXIS, 1.5G, SMD 制造商:MEMSIC 功能描述:IC, 3 AXIS ACCELEROMETER, 1.5G, LCC-16; MEMS Sensor Output:Analogue; Measurement Axis:X, Y, Z; Acceleration Range: 1.5g; Supply Voltage Min:2.7V; Supply Voltage Max:3.6V; Sensor Case Style:LCC; No. of Pins:16; IC Interface Type:I2C ;RoHS Compliant: Yes |
| MXR9500MZ-B | 制造商:MEMSIC INC 功能描述:BOARD EVAL FOR MXR9150MZ |
| MXR9745RT1 | 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:31.5 dBm, 850 MHz HIGH FREQUENCY POWER TRANSISTOR LDMOS FET |
| MXR9745T1 | 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:31.5 dBm, 850 MHz HIGH FREQUENCY POWER TRANSISTOR LDMOS FET |
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