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參數(shù)資料
| 型號： | ZMX40M |
| 廠商： | Zetex Semiconductor |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; No. of Contacts:53; Series:TVS06; Body Material:Metal; Connecting Termination:Crimp; Connector Shell Size:23; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:23-54 |
| 中文描述： | 雙磁場傳感器 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 489K |
| 代理商： | ZMX40M |
SEMICONDUCTORS
DESCRIPTION
This device is a special tangential field difference
sensor with two AMR (Anisotropic Magneto-Resistive)
bridges for field movement measurements or field
comparative measurements.
The ZMX40M contains two extremely sensitive magnetic
sensor chips, mounted parallel to each other in an SM8
package, employing the magneto-resistive effect of thin
film permalloy. It allows the measurement of magnetic
fieldsorthedetectionofmagneticparts.Thesensorseach
consist of a chip covered with thin film permalloy stripes
whichformaWheatstonebridge,whoseoutputvoltageis
proportional to the magnetic field component Hy. A field
Hx,whichisperpendiculartoHy, isnecessarytosuppress
the hysteresis and to bias the sensors into the linear
region. Thisfield Hx isprovided by an internal permanent
magnet.
The chips are mounted in the package 3mm apart. If a
magnet travels horizontally above the sensor, each chip
will give an output which will peak as the magnet passes
above it and the two peaks will be spatially separated by
3mm.
FEATURES
Output voltage proportional to magnetic field Hy
across each chip
Both chips are in the same orientation and chip
centres are 3mm apart in Y direction
Magnetic fields vertical to the chip level Hz are not
effective
Disturbing fields Hx up to 30 kA/m are allowed
Extremely small chip distance from the top side of
package for accurate measurement
Internal magnet each chip for creation of auxiliary
field Hx
PINOUT
Whenthetwopeaksarethesameamplitude,themagnet
must be mid-way between the two chips. Therefore this
double sensor can be used to measure position of, for
example, a wheel tooth very accurately for automotive
and machine-tool applications. With calibration to allow
for the tolerances on the bridge outputs being slightly
different, the ZMX40M has been used in machine tool
applications to resolve distances down to 30μm. By
comparing the two outputs and adding some hysteresis,
alarge-geometrymagnetictapereader(forexamplefora
magnetic tape ruler) can be made. By combining both
bridge outputs a current sensor can be also made by
adding an external current loop over or under the
ZMX40M. Thisloopisoutsidethepackageandtherefore
provides excellent galvanic isolation.
APPLICATIONS
Linear position measurement for process control,
door interlocks, proximity detectors and precision
machine tools
H-field movement measurement for a magnetic
tape recognition
High voltage isolated current measurement up to
many amps range by using a suitable current loop
over or under the IC
Detection of rotating magnets in the presence of a
disturbing field by comparisons of maximum
values of individual sensors
DEVICE MARKING
ZMX40M
CONNECTION DIAGRAM
AMR chip 1:
supply voltage between +Vb1 and -Vb1
output voltage of bridge between
+V
out
1 and -V
out
1
AMR chip 2:
supply voltage between +Vb2 and
-Vb2 output voltage of bridge between
+V
out
2 and -V
out
2
ZMX40M
ISSUE 2 - JUNE 2005
1
DUAL MAGNETIC FIELD SENSOR
Top View
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PDF描述 |
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| ZMY20MTA | MAGNETIC FIELD SENSOR WITH INTERNAL MAGNET |
| ZMY20MTC | MAGNETIC FIELD SENSOR WITH INTERNAL MAGNET |
| ZMY4.3G | surface mount silicon Zener diodes |
| ZMY100G | Circular Connector; MIL SPEC:MIL-DTL-38999 Series III; Body Material:Metal; Series:TVS06; Number of Contacts:21; Connector Shell Size:23; Connecting Termination:Crimp; Circular Shell Style:Straight Plug; Body Style:Straight |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ZMX40MT8TA | 功能描述:板機(jī)接口霍耳效應(yīng)/磁性傳感器 12V Dual Magnetic Field Sensor RoHS:否 制造商:Honeywell 類型:Bipolar Hall-Effect Digital Position Sensor 工作電源電壓:3 V to 24 V 電源電流:3.5 mA 最大輸出電流:20 mA 工作點(diǎn)最小值/最大值:5 G, 55 G 最小/最大釋放點(diǎn)（Brp）:- 55 G, - 5 G 最大工作溫度:+ 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23 |
| ZMX40MT8TC | 制造商:ZETEX 制造商全稱:ZETEX 功能描述:DUAL MAGNETIC FIELD SENSOR |
| ZMX-7GLHR | 制造商:MINI 制造商全稱:Mini-Circuits 功能描述:FREQUENCY MIXERS |
| ZMX8210 | 制造商:Behringer 功能描述:8 Input Channel 3 Bus Mic Line Zone Mixer 制造商:BEHRINGER 功能描述:MIC LINE ZONE MIXER 8 INPUT CHANNEL 3 BUS |
| ZMX-8GLH | 制造商:MINI 制造商全稱:Mini-Circuits 功能描述:FREQUENCY MIXERS |
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