Datasheet > MXA2312A

MXA2312A

更新时间： 2024-09-28 10:39:27

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
8页	547K
描述
Low Cost, +2,-2 g Dual Axis Accelerometer with Analog Outputs

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MXA2312A 数据手册

Low Cost, ±2 g Dual Axis

Accelerometer with Analog Outputs

MXA2312A

FEATURES

Sck

Internal

Temperature

Sensor

Tout

Dual axis accelerometer fabricated on a monolithic CMOS IC

On-chip mixed mode signal processing

Resolution better than 2 milli-g

Oscillator

(optional)

Voltage

Vref

Reference

CLK

50,000 g shock survival rating

30 Hz bandwidth expandable to >160 Hz

2.70V to 5.25V single supply operation

Small (5mm x 5mm x 2mm) surface mount package

Continuous self test

Continous

Self Test

Heater

Control

Low Pass

X axis

Aout X

Aout Y

Filter

Independent axis programmability (special order)

Factory Adjust

Offset & Gain

APPLICATIONS

Automotive – Vehicle Security/Active Suspension/ABS

HED Angle Control/Tilt Sensing

Security – Gas Line/Elevator/Fatigue Sensing

Office Equipment – Computer Peripherals/PDA’s/Mouse

Smart Pens/Cell Phones

Low Pass

Filter

Y axis

2-AXIS

SENSOR

Vdd

Gnd

Vda

Gaming – Joystick/RF Interface/Menu Selection/Tilt Sensing

White Goods – Spin/Vibration Control

MXA2312A FUNCTIONAL BLOCK DIAGRAM

GENERAL DESCRIPTION

The MXA2312A is a very low cost, dual axis accelerometer

fabricated on a standard, submicron CMOS process. The

MXA2312A measures acceleration with a full-scale range

of ±2 g and a sensitivity of 312mV/g at 25°C. (The

MEMSIC accelerometer product line extends from ±1 g to

±10 g with custom versions available above ±10 g.) It can

measure both dynamic acceleration (e.g., vibration) and

static acceleration (e.g., gravity). The MXA2312A 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 up to 50,000 g, leading to significantly lower

failure rates and lower loss due to handling during

assembly.

signals below 2 milli-g to be resolved at 1 Hz bandwidth.

The 3dB rolloff of the device occurs at 30 Hz but is

expandable to >160 Hz (refernce Application Note AN-

00MX-003). The MXA2312A is available in a low profile

LCC surface mount package (5mm x 5mm x 2mm height).

It is hermetically sealed and are operational over a -40°C to

+105°C temperature range.

Due to the standard CMOS structure of the MXA2312A,

additional circuitry can easily be incorporated into custom

versions for high volume applications. Contact the factory

for more information.

The MXA2312A provides an absolute analog output (ref.

other MEMSIC data sheets for ratiometric, analog or digital

outputs). The typical noise floor is 0.75 mg/ Hz allowing

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.

MEMSIC, Inc.

100 Burtt Road, Andover, MA 01810

Tel: 978.623.8188

www.memsic.com

Fax: 978.623.9945

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与MXA2312A相关器件

型号	品牌	获取价格	描述	数据表
MXA2500EL	ETC	获取价格	Ultra Low Noise, Offset Drift 1 g Dual Axis Accelerometer with Analog Outputs
MXA2500G	ETC	获取价格	Improved, Ultra Low Noise ±1.7 g Dual Axis Ac
MXA2500GF	ETC	获取价格	Improved, Ultra Low Noise ±1.7 g Dual Axis Ac
MXA2500GL	ETC	获取价格	Improved, Ultra Low Noise ±1.7 g Dual Axis Ac
MXA2500J	ETC	获取价格	Ultra Low Cost, ±1.0 g Dual Axis Acceleromete
MXA2500JV	ETC	获取价格	Ultra Low Cost, ±1.0 g Dual Axis Acceleromete
MXA2500K	ETC	获取价格	Ultra Low Cost, ±1.0 g Dual Axis Acceleromete
MXA2500KV	ETC	获取价格	Ultra Low Cost, ±1.0 g Dual Axis Acceleromete
MXA2500M	ETC	获取价格	Improved, Ultra Low Noise ±1.7 g Dual Axis Ac
MXA2500MF	ETC	获取价格	Improved, Ultra Low Noise ±1.7 g Dual Axis Ac

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