ZMY20 Zetex Semiconductors plc., ZMY20 Datasheet

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ZMY20

Manufacturer Part Number
ZMY20
Description
Zmy20 - Magnetic Field Sensor
Manufacturer
Zetex Semiconductors plc.
Datasheet

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Manufacturer
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ZMY20
Manufacturer:
ST
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Part Number:
ZMY200
Manufacturer:
AD
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4 806
Part Number:
ZMY20TA
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RENESAS
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Part Number:
ZMY20V
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MAGNETIC FIELD SENSOR
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
• Magnetic fields vertical to the chip level are not
APPLICATIONS
• Linear position sensors for process control, door
• Scalar measurement for compassing
• Automotive – door switches, engine position &
• Metering of fluids by sensing rotation of impeller
• Traffic counting & vehicle-type sensing
ORDERING INFORMATION
• Measurement of current in a conductor without
DEVICE MARKING
ISSUE 3 - JUNE 2007
DEVICE
ZMY20TA
ZMY20TC
hysteresis by the auxiliary magnetic field Hx
effective
interlocks, proximity detectors, machine tool
sensing
speed sensing
connection
ZMY20
REEL
SIZE
13”
7”
WIDTH
12mm
12mm
TAPE
QUANTITY
1000 units
4000 units
PER REEL
1
V = SUPPLY VOLTAGE
V = OUTPUT VOLTAGE
B
O
-V
B
S E M I C O N D U C T O R S
+V
PINOUT
Top View
SOT223S
O
-V
-V
B
ZMY20
+V
O
+V
Hx
O
Hy
-V
B
O
+V
B

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ZMY20 Summary of contents

Page 1

... MAGNETIC FIELD SENSOR 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 ...

Page 2

... ZMY20 ABSOLUTE MAXIMUM RATINGS. PARAMETER Supply Voltage Total power dissipation Operating Temperature Range Storage Temperature Range ELECTRICAL CHARACTERISTICS.(at T PARAMETER SYMBOL Bridge resistance R br Output voltage range Open circuit sensitivity S Hysteresis of output voltage Offset Voltage V /V off Operating Frequency ...

Page 3

... Application 1 (digital output) Application 2 (analog output) ISSUE 3 - JUNE 2007 ZMY20 ...

Page 4

... ZMY20 Sensor output characteristic V =f -parameter =const; T =25°C b amb Safe operating area =25°C; (H =disturbing field) xtot x d amb d The sensor has to be reset after leaving the safe operating area by an auxiliary field ...

Page 5

... Sensor sensitivity characteristic S=f =const; T =25°C b amb Supply voltage (maximum) derating curve V =f(T ) Bmax amb 2 Device mounted board (copper area 600mm ISSUE 3 - JUNE 2007 ZMY20 ...

Page 6

... ZMY20 PACKAGE OUTLINE CONTROLLING DIMENSIONS IN MILLIMETRES APPROX CONVERSIONS INCHES. ISSUE 3 - JUNE 2007 6 ...

Page 7

... However, changes to specifications may occur, at any time and without notice. ISSUE 3 - JUNE 2007 ZMY20 ...

Page 8

... ZMY20 © Zetex Semiconductors plc 2007 Europe Americas Zetex GmbH Zetex Inc Kustermann-Park 700 Veterans Memorial Hwy Balanstraße 59 Hauppauge, NY 11788 D-81541 München USA Germany Telefon: (49 Telephone: (1) 631 360 2222 Fax: (49 Fax: (1) 631 360 8222 europe ...

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