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AAT001-10E PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 AAT001-10E
部品説明 TMR Angle Sensor
メーカ NVE
ロゴ NVE ロゴ 

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AAT001-10E Datasheet, AAT001-10E PDF,ピン配置, 機能
Data Sheet
AAT001-10E TMR Angle Sensor
Key Features
Tunneling Magnetoresistance (TMR) Technology
Very High Output Signal Without Amplification
Wide Airgap Tolerance
Very High Resistance for Extremely Low Power
Sine and Cosine Outputs Available
Ultraminiature TDFN6 Package
Typical Applications
Rotary Encoders
Automotive Rotary Position Sensors
Motor Shaft Position Sensors
Knob Position Sensors
Description
The AAT001-10E angle sensor is a unique array of four Tunneling Magnetoresistance (TMR) elements
rotated at 90 degree intervals in the package and connected in a bridge configuration. The output can be
configured to represent the sine and cosine functions of the magnetic field applied to the sensor. Each TMR
sensor element has a resistance of approximately 1.25 megaohms. Outputs are proportional to the supply
voltage and peak-to-peak output voltages are much larger than other sensor technologies. The part is
packaged in NVE’s 2.5 mm x 2.5 mm x 0.8 mm TDFN6 surface mount package.
Operation
Each sensor elements contain two magnetic layers: a “pinned,” or fixed direction layer; and a movable-
direction, or “free” layer. The diagram below illustrates the configuration, using arrows to represent the two
layers:
Angle between Pinned
and Free layers
determines sensor
resistance
Free layer aligns
with Applied
Magnetic Field
NVE Corporation • 11409 Valley View Road, Eden Prairie, MN 55344-3617 • (952) 829-9217 • www.nve.com

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TMR Angle Sensor

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