ZMT31TC Diodes Zetex, ZMT31TC Datasheet

ZMT31TC

Manufacturer Part Number

ZMT31TC

Description

IC ANGLE SENSOR SOT-223-8

Manufacturer

Diodes Zetex

Datasheet

1.ZMT31TA.pdf (4 pages)

Specifications of ZMT31TC

Position - Sensing

360°

Sensor Type

Angular - Magnetoresistive

Voltage - Supply

Resistance (ohms)

Operating Temperature

-25°C ~ 130°C

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Current page: 1 of 4
Download datasheet (58Kb)

ORDERING INFORMATION

ANGLE SENSOR

DESCRIPTION

The ZMT31 allows the contactless counting of the revolutions of a

rotating magnet which is mounted on the axis of a wheel. Zero output

voltages of the Wheatstones bridges are used as trigger signals. The

sense of rotation of the wheel is taken into account by comparing the

signal outputs of both Wheatstone bridges which are proportional to

sin2( ) or sin2( +45 ). The angle can be determined by evaluating these

signals. Alternatively it is possible to use the voltage signals of four half

bridges which are trimmed on V

FEATURES

· Measures the magnetic field hrot (> 50kA/m)

· Magnetic field hrot parallel to the chip surface causes

· Package : SM-8 (available on 12mm tape)

APPLICATION

· Contactless counting of the revolutions of a rotating

· Contactless angular measurement

· Automotive (pedal position etc.)

· Contactless rotary switches

· Contactless potentiometer

DEVICE MARKING

· ZMT31

ISSUE 4 - JUNE 2004

DEVICE

ZMT31TA

ZMT31TC

generated by a permanent magnet which rotates

over the sensor

a sinusoidal output signal

magnet (watermeters etc.)

REEL

SIZE

WIDTH

12mm

TAPE

b/2

QUANTITY

PER REEL

1000

4000

Bridge1:

Bridge 2:

- output voltage V

pin 1: -V

pin 8: -V

pin 2: -V

pin 7: -V

pin 5: +VO

(GND) pin 4: +VB

(GND) pin 3: +VB

pin 6: +VO

S E M I C O N D U C T O R S

- supply voltage

ZMT31

Related parts for ZMT31TC

ZMT31TC Summary of contents

Page 1

... Contactless angular measurement · Automotive (pedal position etc.) · Contactless rotary switches · Contactless potentiometer ORDERING INFORMATION DEVICE REEL TAPE SIZE WIDTH ZMT31TA 12mm 7 ZMT31TC 13 12mm DEVICE MARKING · ZMT31 ISSUE 4 - JUNE 2004 . Bridge1: Bridge output voltage V O QUANTITY PER REEL ...

Page 2

ZMT31 PARAMETER Supply voltage Total power dissipation Operating temperature range Storage temperature range Sensor chip alignment error PARAMETER SYMBOL Bridge resistance R br Offset voltage Off Sensitivity S Half bridge symmetry (V /2-V S Output voltage range ...

Page 3

Output voltage of both Wheatstone bridges versus angle ISSUE 4 - JUNE 2004 of the magnetic field direction ZMT31 ...

Page 4

ZMT31 PACKAGE OUTLINE Controlling dimensions are in millimeters. Approximate conversions are given in inches PACKAGE DIMENSIONS Millimeters Inches DIM Min Max Typ. Min Max 0.067 A1 0.02 0.1 - 0.008 0.004 0.7 ...

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