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Magnetic Length Sensor MLS-8
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Description
The magnetoresistive strong field sensor
MLS-8 consists of two against each other
shifted Wheatstone bridges. They are
assembled on a ceramic hybrid.
The resistance position at the bridge
is fixed by a magnetic scale with a period length
( pole distance N-S) of 2.5 mm.
Front view length sensor MLS-8
The pole stripe with his changing magnetization
is guided along the sensor in a distance of
z<1.5 mm. Thereby occur output signals with a
Advantages sine and cosine characteristic. By sine/cosine
? high resolution analysis precise distances in between the pole
? lo w noise stripe can be detected. The reachable
? low current consumption measurement precision depends on the
? low interference field sensitivity
distance between sensor and pole stripe.
Applications
? L ength measurement for
Pin out
direction identification
? Angle measurement with (cid:6)(cid:7)(cid:1) (cid:4)(cid:8)(cid:1) (cid:9)(cid:7)(cid:1) (cid:10)(cid:2)(cid:1) (cid:10)(cid:11)(cid:1) (cid:7)(cid:12)(cid:1)
pole wheels
Application principle
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Pin Mean Typ
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OR Output signal Vcos2+
SW Supply voltage VB
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(cid:4)(cid:1) BR Ground GND
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GN Output signal Vsin2-
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RT Output signal Vcos1+
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Specification
Parameter Condition Symbol Min Typ Max Unit
Supply voltage U 5 10 V
cc
Sensor resistance R 30 40 50 k(cid:1)
s
Pole distance d 2.5 mm
N-S
Signal amplitude by H =32kA/m, (cid:2)U/U 8 mV/V
appl cc
T=RT
Offset voltage |U /U | 1 mV/V
off cc
Applied magnetic field Magnet field H 10 kA/m
appl
distance z<1.5mm
Temperature coefficient TCSV -0.37 -0.33 -0.29 %/K
of amplitude
Temperature coefficient TCBR 0.29 0.33 0.37 %/K
of resistance
Operating temperature T -40 +85 °C
op
Storage temperature T -55 +125 °C
storage
Dimension W x D x L 17.8 x 8.1 x 2.2 mm
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Data sheet MLS-8 preliminary Rev 1.0 eng.doc Stand: 01 of 06. Juni 2003,Zn
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當(dāng)然可以。MLS-8磁阻傳感器是一款專門用于檢測磁場變化的高精度電子元件，它屬于磁敏電阻（Magnetoresistive Sensor）的一種類型。這種傳感器利用了磁阻效應(yīng)原理，即在某些材料如金屬多晶體薄膜或隧道二極管等中，其電阻值會隨磁場強度的變化而呈現(xiàn)出非線性響應(yīng)。 具體來說，當(dāng)磁場作用于MLS-8磁阻傳感器時，其內(nèi)部的磁性材料的電阻值會發(fā)生變化，通過測量這一電阻值的變化，可以精確地感知到周圍磁場的方向、大小和變化速率。 MLS-8可能具有高靈敏度、快速響應(yīng)、寬動態(tài)范圍以及小體積等特點，使其廣泛應(yīng)用于各種領(lǐng)域，例如工業(yè)自動化、汽車電子、物聯(lián)網(wǎng)設(shè)備、機器人技術(shù)、消費類電子產(chǎn)品中的定位與導(dǎo)航系統(tǒng)等，用以實現(xiàn)對磁場的實時監(jiān)控與控制。