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ZMT32TA

Description
Board Mount Hall Effect / Magnetic Sensors Sensors MR SM-8 T&R 1K
CategoryThe sensor    Sensor/transducer   
File Size372KB,10 Pages
ManufacturerDiodes Incorporated
Environmental Compliance
Download Datasheet Parametric View All

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ZMT32TA Overview

Board Mount Hall Effect / Magnetic Sensors Sensors MR SM-8 T&R 1K

ZMT32TA Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
package instructionSOP8,.28,60
Reach Compliance Codecompliant
body width3.5 mm
body height1.7 mm
Body length or diameter6.5 mm
JESD-609 codee3
Installation featuresSURFACE MOUNT
Number of axes2
Number of terminals8
Maximum working current8.5 mA
Maximum operating temperature160 °C
Minimum operating temperature-40 °C
outputBRIDGE
Output range40-60mV
Output typeANALOG VOLTAGE
Package body materialPLASTIC/EPOXY
Encapsulate equivalent codeSOP8,.28,60
Package Shape/FormRECTANGULAR
power supply5 V
Sensor/Transducer TypeMAGNETIC FIELD SENSOR,MAGNETORESISTIVE
Maximum supply voltage8.5 V
surface mountYES
Terminal surfaceMatte Tin (Sn)
Termination typeSOLDER
Base Number Matches1
ZMT32
Magnetic Field Angle Sensor
Description
The ZMT32 is a thin film permalloy magnetic
field sensor, which contains two galvanic
isolated Wheatstone Bridges for high
precision angle measurement applications
under low field conditions. This angle sensor
is based on the anisotropic magnetoresistive
effect (AMR). The two internal (V
CC1
, V
CC2
)
bridges enclose a relative sensitive angle of
45 degrees. The input field is a rotating
magnetic field in the chip plane (parallel to
the surface of package). This rotating field will
make available two independent sinusoidal
output signals with the following relationship
The precise ZMT32 works with low field
applications (H
rot
= 8 to 25kA/m), much lower
than similar devices. The ultimate output signal
quality depends on the external magnetic
material and on the mechanical realization.
The ZMT32 is a passive part and the Arc-
Tangent interpolation needs external signal
processing. Typical areas of application are
angle and speed measurement.
V
O
2
Sin
(
2
α
)
=
=
Tan
(
2
α
)
V
O
1
Cos
(
2
α
)
where
α
= angle between sensor axis and field
direction
Features
contactless angle measurement up to 180°
flexible measuring solutions for moved
systems
stable operation over long time
high temperature range up to +160°C
Applications
angle and angular velocity measuring systems
absolute angle and angle change
automotive electronic (steering,
control, pedal positioning, etc
throttle
contactless rotary switches and potentiometer
automatic adjustment
-V
O1
(cos)
-V
O2
(sin)
V
CC2
(bridge 2)
V
CC1
(bridge 1)
1
2
3
4
8
7
6
5
GND (bridge 1)
GND2 (bridge 2)
+V
O2
(sin)
+V
O1
(cos)
Ordering Information
Device
ZMT32TA
Reel size
(Inches)
7
Tape width
(mm)
12
Quantity
per reel
1,000
Device
marking
ZETEX
ZMT32
Issue 1 - June 2008
© Zetex Semiconductors plc 2008
1
www.zetex.com
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