MEV-50A-R 車載陀螺儀

一個的基于MEMS技術(shù)的汽車導(dǎo)航系統(tǒng)的陀螺儀傳感器裝置已經(jīng)宣布村田，提供性能和制造優(yōu)勢，比傳統(tǒng)方法。 

構(gòu)造一個系統(tǒng)級封裝（SiP）中，該微機電系統(tǒng)（MEMS）器件包含一個基于硅片振動的設(shè)備和設(shè)計的電容式傳感器電路集成電路自定義。The two chips are mounted on a ceramic substrate, and then hermetically sealed in a ceramic surface mount package.這兩款芯片安裝在陶瓷基板，然后密封在一個密封的陶瓷表面貼裝封裝。

Both devic are manufactured using proven and cost-effective production procs, to provide high reliability and ior performance at a low cost.這兩種設(shè)備都采用成熟和成本效益的生產(chǎn)過程，提供高性和卓越性能。From the OEM's perspective, Murata's MEV-50A-R gyro sensor is a compact, hermetically sealed, surface mount, ceramic device contained in a fully RoHS compliant package measuring just 10mm x 10mm, with a profile of 3.3mm.從OEM的角度來看，村田的兆電子伏特- 50A條- R的陀螺儀傳感器是一種緊湊，密封，表面貼裝，陶瓷器件合RoHS標(biāo)準(zhǔn)，尺寸只有10 x 10mm的包中包含的和3.3毫米配置。It is qualified to the –40°C to +85°C temperature range, making it ideal for automotive applications.它有資格為-40 ° C至+85 ° C溫度范圍，適用于汽車應(yīng)用。

Murata's gyro sensor us Coliolis force principle of detecting angular velocity, whereby four m are positioned between two driving beams.村田的陀螺傳感器采用檢測角速度，即4個群眾是兩個驅(qū)動力量的原則定位Coliolis橫梁。By flexing the driving beams, the m are vibrated along the x-axis.通過伸縮駕駛橫梁，人民群眾是振動沿x軸。Then, when angular velocity is applied, two detecting m are vibrated along the y-axis, producing a rotation in the opposite direction to the Coliolis force.然后，當(dāng)角速度應(yīng)用，人民群眾是兩個振動檢測沿y軸，產(chǎn)生相反的方向轉(zhuǎn)動的Coliolis力量。

This technique rults in lower acceleration noise, when compared to acceleration techniqu, as the capacitive variations are cancelled out.加速噪音低，這種技術(shù)的結(jié)果相比，加速技術(shù)，因為電容變化被取消了。Further, the device us dial signal compensation to deliver low offset drift over the temperature range.此外，該器件采用了數(shù)字信號的補償，以提供溫度范圍低失調(diào)漂移。

Featur include fast rponse, low driving voltage and low current consumption.其功能包括快速響應(yīng)，低驅(qū)動電壓和低電流消耗。Technical specifications over the –40°C to +85°C operating temperature range include: linearity error of –0.5% to +0.5% FS; output noise of 10mV peak to peak; start up drift of –0.4 to +0.4degre/s from 1s to 5mins and –0.8 to +0.8degre/s from 1s to 15min; and frequency rponse (frequency vs gain) of –4dB to –1dB with gain at 7Hz.技術(shù)規(guī)格工作在-40 ° C至+85 ° C的工作溫度范圍包括：線性度0.5％，財政司司長誤差-0.5％; 10mV的輸出峰值噪音;啟動的0.4至0.4度漂移/秒從1秒至5分鐘和-0.8至+0.8度/秒，從1秒至15分鐘;及頻率響應(yīng)（頻率對增益）的同在7Hz增益四分貝到1dB的。

Full technical data and applications guidance is readily available from the Murata website.充分的技術(shù)數(shù)據(jù)和應(yīng)用程序的指導(dǎo)很容易從村田網(wǎng)站上查閱。It outlin, for example, that a minimum of external circuitry is required along with the 5V power regulator and A/D converter, to integrate the gyro sensor device.它概述例如，外部電路少需要隨著5V電源穩(wěn)壓器和A / D轉(zhuǎn)換器，集成了陀螺儀傳感器裝置。The include noise elimination capacitors on the power supply, a 100kohm load ristor, and a seri ristor, depending on the line distance between Vout and the A/D converter.這些措施包括對電源，100k歐姆負載電阻電容消除噪音，并根據(jù)與輸出電壓之間的一條線的距離/ D轉(zhuǎn)換器一個串聯(lián)電阻。

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