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Description : Analog AMR/GMR Angle Sensors

Description
The TLE5x0916(D) are Angle Sensor with analog outputs. They detect the orientation of a magnetic field by measuring sine and cosine Angle components with Magneto Resistive (MR) elements. The Sensors provide analog sine and cosine output voltages that describe the magnetic Angle in a range of 0 to 180° (AMR Sensor), and 0 to 360° (GMR Sensor), respectively. There are single die and dual die combinations with a Giant Magneto Resistance (GMR) Sensor for full 360° Angle range or also an Anisotropic Magneto Resistance (AMR) Sensor for high precision in a top-bottom configuration in one package possible. The following derivatives of the TLE5x09A16(D) Sensor family are available:
• Single die GMR: TLE5009A16
• Dual die GMR: TLE5009A16D
• Single die AMR: TLE5109A16
• Dual die AMR: TLE5109A16D
• Dual die AMR (bottom) / GMR (top): TLE5309D

Features
• Single and dual die Sensor with AMR or GMR technology
• Separate supply pins for top and bottom Sensor
• Low current consumption and quick start up
• 180°(AMR) and 360°(GMR) contactless Angle measurement
• Output amplitude optimized for circuits with 3.3 V or 5 V supply voltage
• Immune to airgap variations due to MR based sensing principle
• Automotive qualified Q100, Grade 1: -40°C to 125°C (ambient temperature)
• Pre-amplified output signals for differential or single-ended applications
• Diverse redundance combination of GMR Sensor and AMR Sensor in one package possible
• High accuracy typically 0.1° overall Angle error for AMR Sensor
• Green product (RoHS compliant)

Part Name(s) : AMR3001
American Electronic Components, inc
American Electronic Components, inc
Description : AMR Angle Sensor

General Description
The output voltage of the AMR3001 TMR Angle Sensor is proportional to the sine or cosine of the Angle of a magnetic field applied parallel to the surface of the Sensor, which can be provided by a small magnet positioned above the device. The AMR3001 includes two Wheatstone bridges, which can be configured to output sine and cosine functions respectively. Each bridge includes four TMR Sensor elements in a push-pull arrangement to produce a best-in-class peak-to-peak signal as large as 0.75% of the supply voltage. Additionally, the unique TMR Wheatstone bridge technology accurately compensates the output against changes in ambient temperature. This Sensor is assembled in an ultra small SOP8 package

Features and Benefits
■ Anisotropy of magnetoresistance (AMR) Technology
■ Compatible with Wide Range of Supply Voltages
■ Wide Airgap Tolerance
■ Excellent Thermal Stability
■ Very Low Hysteresis
■ Ultrasmall Package

Applications
■ Rotary Position Sensors
■ Rotary Encoders
■ Contactless Potentiometers
■ Valve Position Sensors
■ Knob Position Sensors

Part Name(s) : ZMT32 ZMT32TA
Diodes Incorporated.
Diodes Incorporated.
Description : 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 (VCC1, VCC2) bridges enclose a relative sensitive Angle of 45 degrees.

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, throttle control, pedal positioning, etc
• contactless rotary switches and potentiometer
• automatic adjustment

Part Name(s) : ZMT32 ZMT32TA
Zetex => Diodes
Zetex => Diodes
Description : 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 (VCC1, VCC2) bridges enclose a relative sensitive Angle of 45 degrees.

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, throttle control, pedal positioning, etc
• contactless rotary switches and potentiometer
• automatic adjustment

Part Name(s) : KMT36HSO KMT36H
TE Connectivity
TE Connectivity
Description : 360° Magnetic Angle Sensor

360° Magnetic Angle Sensor

The KMT36H is a magnetic field Sensor utilizing the anisotropic magneto resistance effect. Therefore the Sensor is sensing the magnetic field direction rather than the magnetic field strength. The Sensor contains three Wheatstone bridges rotated by 120°. A rotating magnetic field (typical strength 25 kA/m in the Sensor plane) will result in three sinusoidal output signals with a period of 180°, phase shifted by 60° field Angle. By use of a modified atan algorithm the field Angle can be calculated with high accuracy.

SPECIFICATIONS
AMR Sensor with 360° capability
• TDFN outline 2.5x2.5x0.75 mm3
• Three 120° phase-shifted signals
• Moderate field strength requirements

FEATURES
• Ideal for harsh environments due to
   magnetic sensing principle
• Contactless absolute angular measurement
   over 360°
• Accuracy better than +/- 0.5°
• Three bridge signals with 120° phase
   difference
• Tiny TDFN-housing 2.5 x 2.5 x 0.8 mm3

APPLICATIONS
• Absolute Angle measurement
• Potentiometer replacement
• Motor motion control
• Camera positioning
• Robotics

Description : AMR Sensors (Magnetic Switches)

[Murata]

AMR Sensors (Magnetic Switches)

Murata offers a broad product portfolio of AMR Sensors for wide range of consumer and industrial applications including open-close detection for consumer electronics and white goods, fl ow rate detection for smart gas and water meters, and position sensing for cylinder switches. More than 30 part numbers support diverse design and performance needs.
Murata AMR Sensor is a sensing device utilizing the Magneto Resistance effect. It is comprised of four AMR elements and a IC circuit. Features include high sensitivity, narrow sensitivity spec range, design fl exibility, and reliable performance in different operating conditions. 

TE Connectivity
TE Connectivity
Description : Magnetic Angle Sensor

SPECIFICATIONS
AMR Sensor with 180° period
• high accuracy
• high resolution
• for the use at moderate field strengths
• tiny TDFN package
• ROHS & REACH compliant

The KMT32B is a magnetic field Sensor based on the anisotropic magneto resistance effect, i.e. it is sensing the magnetic field direction independently on the magnetic field strength for applied field strengths H>25 kA/m. The Sensor contains two parallel supplied Wheatstone bridges, which enclose a sensitive Angle of 45 degrees.

FEATURES
• Contactless angular position,
   ideal for harsh environments
• Design optimized for linearity
• High accuracy
• Low cost, low power
• Self diagnosis feature
• Attractive SMD packages
• User has complete control over
   signal evaluation
• Extended operating temperature
   range
   (-40 °C to +150 °C, +160°C on
   request)
• REACH & RoHS compliant (lead
   free)

APPLICATIONS
• Absolute and incremental Angle measurement
• Automotive (steering Angle, torque)
• Robotics
• Camera positioning
• Potentiometer replacement
• Position measurement in medical applications
• Motor motion control

Description : AMR Sensors (Magnetic Switches)

Murata offers a broad product portfolio of AMR Sensors for wide range of consumer and industrial applications including open-close detection for consumer electronics and white goods, fl ow rate detection for smart gas and water meters, and position sensing for cylinder switches. More than 30 part numbers support diverse design and performance needs.
Murata AMR Sensor is a sensing device utilizing the Magneto Resistance effect. It is comprised of four AMR elements and a IC circuit. Features include high sensitivity, narrow sensitivity spec range, design fl exibility, and reliable performance in different operating conditions.

Part Name(s) : IC-SM2L IC-SM2LCHIP
IC-Haus GmbH
IC-Haus GmbH
Description : LINEAR AMR Sensor (2 mm)

DESCRIPTION
iC-SM2L is a linear position Sensor which operates on the AMR effect (anisotropic magneto resistance) and has been designed to work with magnetic scales which have a N/S pole pitch of 2 mm.
When the Sensor is moved along a magnetic scale with a N/S pole pitch of 2 mm the two Wheatstone bridges generate differential sinusoidal output voltages (PSIN - NSIN) and (PCOS - NCOS) phase-shifted at 90°. One sine/cosine cycle averaged using a pair of N/S poles is thus produced for a pole width. The absolute magnetic field strength must be large enough for the Sensor to go into saturation and for the magnetization of iC-SM2Ls resistor stripes to assume the direction of the outer magnetic field.s

FEATURES
✦ Magneto resistive position Sensor based on the AMR effect
✦ Strong field Sensor for 2 mm N/S pole pitch
✦ One sine/cosine cycle per pole width (averaged using a pair of N/S poles)
✦ High interpolation due to a sine signal with few harmonics
✦ Low saturation field strength
✦ High amplitude consistency with changes in distance
✦ Resistant to strong magnetic fields
✦ Not sensitive to external homogenous magnetic fields

APPLICATIONS
✦ Linear position sensing
✦ Length measuring systems

Part Name(s) : IC-SM5L
IC-Haus GmbH
IC-Haus GmbH
Description : LINEAR AMR Sensor (5 mm) (Rev - 2014)

DESCRIPTION
iC-SM5L is a linear position Sensor which operates on the AMR effect (anisotropic magneto resistance) and has been designed to work with magnetic scales which have a N/S pole pitch of 5 mm.
When the Sensor is moved along a magnetic scale with a N/S pole pitch of 5 mm the two Wheatstone bridges generate differential sinusoidal output voltages (PSIN - NSIN) and (PCOS - NCOS) phaseshifted at 90°. One sine/cosine cycle averaged using a pair of N/S poles is thus produced for a pole width. The absolute magnetic field strength must be large enough for the Sensor to go into saturation and for the magnetization of iC-SM5L’s resistor stripes to assume the direction of the outer magnetic fields.

FEATURES
♦ Magneto resistive position Sensor based on the AMR effect
♦ Strong field Sensor for 5 mm N/S pole pitch
♦ High interpolation due to a sine signal with few harmonics
♦ Low saturation field strength
♦ High amplitude consistency with changes in distance
♦ Resistant to strong magnetic fields
♦ Not sensitive to external homogenous magnetic fields
♦ Small SMT capable package

APPLICATIONS
♦ Linear position sensing
♦ Length measuring systems
♦ Off-axis hollow shaft rotary encoders

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