TMR40xx TMR Geartooth Sensor Datasheet
■The TMR40xx series of geartooth sensor adopts a unique push-pull Wheatstone bridge design. This design includes a single-channel or dual-channel Wheatstone full bridge composed of four or eight unshielded high-sensitivity tunneling magnetoresistance (TMR) sensing elements. The Wheatstone bridge provides a differential voltage output along the gradient of the applied magnetic field along the sensor’s sensing direction.
■The dual-channel Wheatstone full bridge generates two orthogonal sine/cosine voltage output signals to measure the position of the gear rotation and detect the direction of rotation. The high-sensitivity performance of the TMR40xx series enables detection of small magnetic field changes, and its output signal has good temperature stability.
■The TMR40xx series is available in two compact LGA6L(3 mm × 3 mm × 0.9 mm) and LGA6L (3 mm × 6 mm × 0.9 mm) packages, with multiple configuration of TMR sensing element spacing:
▲TMR4001：0.25 mm
▲TMR4003：0.75 mm
▲TMR4005：1.0 mm
▲TMR4007：3.0 mm
▲TMR4012：0.6 mm
▲TMR4015：1.2 mm
▲TMR4017：1.6 mm
▲TMR4019：2.4 mm
▲TMR4002：0.5 mm
▲TMR4004：0.5 mm
▲TMR4006：2.0 mm
▲TMR4011：0.4 mm
▲TMR4013：0.8 mm
▲TMR4016：1.4 mm
▲TMR4018：1.8 mm
●Features and benefits
■Tunneling magnetoresistance (TMR) technology
■High saturation field allows operation in large DC magnetic field
■High sensitivity to magnetic gradient
■Compatible to small pitch gear measurement
■Sine/cosine signal output with accurate phase difference
■Excellent resistance to external magnetic field interference
■Wide air gap tolerance
■DC (zero speed) operation
■Excellent thermal stability
■Compact package
■RoHS and REACH compliant
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TMR40xx 、 TMR 、 TMR40xx series 、 TMR4001 、 TMR4003 、 TMR4005 、 TMR4007 、 TMR4012 、 TMR4015 、 TMR4017 、 TMR4019 、 TMR4002 、 TMR4004 、 TMR4006 、 TMR4011 、 TMR4013 、 TMR4016 、 TMR4018 |
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[ Magnetic scale ][ Magnetic encoder ] |
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Datasheet |
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Please see the document for details |
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LGA6L |
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English Chinese Chinese and English Japanese |
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2022/12/16 |
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Version 2.0 |
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1.2 MB |
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