Серия акселерометров MXP7205

MEMSIC

Общие характеристики

 Раздел Акселерометры
Рабочие оси
Диапазон измерения
Выходной интерфейс
Напряжение питания
Рабочая температура

Документация на серию MXP7205

Low Cost 5 g Dual-Axis Accelerometer with SPI Interface Automotive Grade MXP7205VW FEATURES VDA Dual axis accelerometer fabricated on a single CMOS IC Monolithic design with mixed mode signal processing Zero-g temperature stability better than ± 30mg from –40C to 105C Sensitivity temperature compensation better that ± 3% from -40C to 105C ± 5g dynamic range, 800LSB/g sensitivity 29Hz bandwidth On Demand Self Test >50,000 g shock survival rating 4.50V to 5.25V single supply operation Small surface mount package, 5.5mm x 5.5mm x 2.7mm XZ or XY mounting RoHS compliant TEMP FM Control Register Reference Voltage Internal Oscillator Vref CLK CLK Coarse Gain Adj. Heater Control Temp Comp. Temp Comp. Y axis CLK Low Pass Filter CLK SPI Interface Fine Gain Adj. Coarse Gain Adj. Acceleration Sensor A/D CLK TEMP CLK CLK TEMP Fine Gain Adj. X axis VDD Temperature Sensor A/D CLKTEMP CLK Low Pass Filter CLK GND AUTOMOTIVE APPLICATIONS  Vehicle Stability Control  Roll Over Detection  Electronic Parking Break – Hill Start Assist  Headlight Leveling and Steering GENERAL DESCRIPTION The MXP7205VW is a low cost, dual axis accelerometer built on a standard, submicron CMOS process. It measures acceleration with a full-scale range of 5g and a sensitivity of 800LSB/g with 14bits operation mode and 50LSB/g with 10bits operation mode. The MXP7205VW provides an SPI interface. The typical noise floor is 0.6mg / Hz , allowing signals below 1mg to be resolved at 1Hz bandwidth. The inherent 3dB roll off of the device is 29Hz providing immunity to and attenuation of higher frequency vibrations present in automotive applications. The MXP7205VW is packaged in a hermetically sealed LCC surface mount package (5.5 mm x 5.5 mm x 2.7 mm height), and the package can be used for either XY and XZ sensing, its operation temperature is -40C to +105C. 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 MXP7205VW Rev.D Page 1 of 11 MXP7205VW FUNCTIONAL BLOCK DIAGRAM MEMSIC‟s accelerometer technology allows for designs from 1 g to 70 g with custom versions available above 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, particle, and inherent resonant frequency problems associated with competitive devices and provides shock survivability to greater that 50,000g, 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 MXP7205VW, additional circuitry can easily be incorporated into custom versions for high volume applications. Contact MEMSIC‟s local office for more information. MEMSIC, Inc. One Technology Drive, Suite 325, Andover, MA01810, USA Tel: +1 978 738 0900 Fax: +1 978 738 0196 www.MEMSIC.com 8/10/2012 SSB SCK MOSI MISO PDF
Документация на MXP7205VW 

MXR7250VF

Дата модификации: 14.09.2012

Размер: 548.3 Кб

12 стр.

    Товары серии MXP7205

    Наименование i Упаковка
    MXP7205VW (MEMSIC)
     
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