Datasheet > MXR7999VF

MXR7999VF

更新时间： 2024-04-09 18:59:07

品牌	Logo	应用领域
美新 - MEMSIC		传感器
页数	文件大小	规格书
6页	475K
描述
LCC封装，5x5x2mm，模拟输出，±1.7 g量程，高可靠性的车规热式二轴加速度传感器

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MXR7999VF 数据手册

Low Cost 1.7 g Dual-Axis Accelerometer

with Ratiometric Outputs

MXR7999V

FEATURES

Dual axis accelerometer fabricated on a single CMOS IC

Monolithic design with mixed mode signal processing

On-chip sensitivity compensation for temperature variations

On Demand Self Test

± 1.7g dynamic range, 1000mV/g sensitivity

Independent axis programmability (special order)

Resolution better than 1mg

Zero-g Output Temperature drift, better than ± 100mg over

–40~105degC range

27 Hz bandwidth

>50,000 g shock survival rating

4.50V to 5.25V single supply operation

Small surface mount package, 5mm x 5mm x 2mm

MXR7999V FUNCTIONAL BLOCK DIAGRAM

APPLICATION

Automotive – Roll over sensing systems

GENERAL DESCRIPTION

The MXR7999V is a low cost, dual axis accelerometer built

on a standard, submicron CMOS process. It measures

acceleration with a full-scale range of 1.7g and a

sensitivity of 1000mV/g.

The MXR7999V provides a g-proportional ratiometric

analog output above/below the zero-g point at 50% of the

supply voltage.

70 g. It can measure both dynamic acceleration (e.g.,

vibration) and static acceleration (e.g., gravity).

The design is based on heat convection and requires no

solid proof mass. This eliminates stiction and particle

problems associated with competitive devices and provide

shock survival greater than 50,000 g, leading to

significantly lower failure rates and lower loss due to

handling during assembly and at customer field application.

Due to the standard CMOS structure of the MXR7999V,

additional circuitry can easily be incorporated into custom

versions for high volume applications. Contact Memsic’s

local office for more information.

(Ref. other MEMSIC data sheets for absolute analog or

digital outputs).

The typical noise floor is 0.6mg /

, allowing signals

below 1 mg to be resolved at 1Hz bandwidth. The 3dB

roll-off of the device occurs at 27Hz.

The MXR7999V is available in a low profile LCC surface

mount package (5mm x 5mm 2mm). It is hermetically

sealed and operational over a -40C to +105C temperature

range.

MEMSIC’s accelerometer technology allows for designs

from 1 g to 70 g with custom versions available above

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.

www.memsic.com

MEMSIC MXR7999V Rev.A

Page 1 of 6

4/14/2009

12 3 4 5 6

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