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PDF ZMY20 Data sheet ( Hoja de datos )
| Número de pieza | ZMY20 | |
| Descripción | Magnetic Field Sensors | |
| Fabricantes | Zetex Semiconductors | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ZMY20 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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MAGNETIC FIELD SENSOR
ZMY20
DESCRIPTION
The ZMY20 is an extremely sensitive magnetic sensor employing the
magneto-resistive effect of thin film permalloy. It allows the measurement of
magnetic fields or the detection of magnetic parts. The highly sensitive and
small size magnetoresistive sensors consist of a chip covered with thin film
permalloy stripes. These stripes form a Wheatstone bridge, whose output
voltage is proportional to the magnetic field component Hy. A perpendicular
field Hx is necessary to stabilize sensor operation. This can be done by using a
small permanent magnet.
FEATURES
• Output voltage proportional to magnetic field Hy
• Adjustment of sensitivity and suppression of
hysteresis by the auxiliary magnetic field Hx
• Magnetic fields vertical to the chip level are not
effective
APPLICATIONS
• Linear position sensors for process control, door
interlocks, proximity detectors, machine tool
sensing
• Scalar measurement for compassing
• Automotive – door switches, engine position &
speed sensing
• Metering of fluids by sensing rotation of impeller
• Traffic counting & vehicle-type sensing
ORDERING INFORMATION
DEVICE
ZMY20TA
ZMY20TC
REEL
SIZE
7”
13”
TAPE
WIDTH
12mm
12mm
QUANTITY
PER REEL
1000 units
4000 units
• Measurement of current in a conductor without
connection
DEVICE MARKING
• ZMY20
Hy
-VB Hx
+VB
-VO
+VO
SOT223S
PINOUT
-VB
+VO -VO +VB
VB = SUPPLY VOLTAGE
VO = OUTPUT VOLTAGE
Top View
ISSUE 3 - JUNE 2007
1
SEMICONDUCTORS
1 page  
Sensor sensitivity characteristic
S=f(Hx)
Vb=const; Tamb=25°C
ZMY20
Supply voltage (maximum) derating curve
VBmax=f(Tamb)
Device mounted on 40 x 40 mm2 board (copper area 600mm2)
ISSUE 3 - JUNE 2007
5
SEMICONDUCTORS
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet ZMY20.PDF ] | |
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