參數(shù)資料
型號(hào)： MLX90215EVA-AAA-106-BU
廠商： Melexis Technologies NV
文件頁(yè)數(shù)： 12/46頁(yè)
文件大?。?/td> 498K
描述： IC SENSOR PROG LINEAR HALL 4SIP
產(chǎn)品目錄繪圖： MLX90215, PTC-04 Series Side
標(biāo)準(zhǔn)包裝： 1,000
傳感范圍： 無(wú)限制
類型： 線性 - 可編程
電源電壓： 4.5 V ~ 5.5 V
電流 - 電源： 6.5mA
電流 - 輸出（最大）： 2mA
輸出類型： 模擬，比率
特點(diǎn)： 穩(wěn)壓電壓
工作溫度： -40°C ~ 85°C
封裝/外殼： 4-SIP
供應(yīng)商設(shè)備封裝： 4-SIP
包裝： 散裝
產(chǎn)品目錄頁(yè)面： 2792 (CN2011-ZH PDF)
其它名稱： 90215DB106
MLX90215EVA
MLX90215EVA-ND
linearly the number of dipoles aligning decreases. The result is a shallow slope to the function curve. At some
point, related to the material properties, increases in current through the magnetizing coil will not increase the
value of the field in the magnet. This is the saturation value for the material. When the external magnetizing
field is removed the magnetic field value of the sample "relaxes" to a steady state known as the B
r
value, or resid-
ual flux value.
An analogy to charging a battery is appropriate. At some level the battery is fully charged and will not accept
any more energy. It is an amazing thing however that the magnet will never lose its charge unless it is subjected
to a larger field of opposite polarity, or if the temperature is raised above the point known as the Curie
Temperature. This temperature varies depending on the material and is specified in all manufacturers data
sheets.
In summary we have discussed two of the three forces at work, one the magnetizing force measured in oersteds
with cgs units or ampere turns/meter in the SI system. The second is the resultant or induced field in the sample,
this is measured with gauss in cgs units and Teslas in the SI system (see Tables 1 and 2, below).
Table 1, Magnetic Units Comparison
Table 2, Magnetic Units Conversion
The third is reluctance or its' reciprocal permeability, think of this as the magnetic resistance per unit volume of
the sample being magnetized. Now that we have a magnetized magnet we can consider what occurs when forces
act to de-magnetize it. If we reverse the direction of current flow in the magnetizing coil a negative field is cre-
ated. As the negative current is increased the dipole alignment is reversed or undone. A curve results which is
similar to the magnetizing curve but in mirror image form. When the samples' flux value is completely demag-
netized the demagnetizing force at that instant is the coercive force -HC. This force is also measured like the
magnetizing force in Oersteds. Increasing the negative current level in the magnetizing coil.
Unit
Symbol
cgs System
SI System
English System
Flux
?/DIV>
Maxwell
weber
Maxwell
Flux Density
B
Gauss
Tesla
lines/in
2
Magnetizing Force
H
Oersted
ampere turns/m
ampere turns/in
Multiply
By
To obtain
lines/in
2
0.155
Gauss
lines/in
2
1.55 x 10
-5
Tesla
Gauss
6.45
lines/in
2
Gauss
10
-4
Tesla
Oersteds
79.577
Ampere turns/m
Ampere turns/in
0.495
Oersteds
Ampere turns/in
39.37
Ampere turns/m
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MLX90215LVA-BC03 功能描述:IC SENSOR LIN HALL 10MV/MT 2.5V RoHS:是 類別:傳感器，轉(zhuǎn)換器 >> 磁性 - 霍爾效應(yīng)，數(shù)字式開關(guān)，線性，羅盤 (IC) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類型:旋轉(zhuǎn) 電源電壓:4.5 V ~ 5.5 V 電流 - 電源:15mA 電流 - 輸出（最大）:- 輸出類型:數(shù)字式，PWM，8.5 位串行 特點(diǎn):可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR
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