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AMR3108A AMR180o/360o Magnetic Rotary Encoder Sensor
  • AMR3108-big
Part Number: AMR3108A
Compatible Part Number: —
Type: Biaxial AMR Angle Sensor
Supply Voltage(V): 3.3～5
Angle Range(°): 180°
Resistance(kΩ): /
OutputPeak(mV/V): /
Field Range(Gs): >200
Angle Accuracy: ±0.5°
Output Interface: SPI/ABZ/UVW/PWM/Analog
Package: TSSOP16
Lead Time: In stock

Description

The AMR3108A is a contactless, high-precision, and high-speed magnetic rotary encoder sensor, which integrated with anisotropic magnetoresistance (AMR) sensors and CMOS digital signal processing circuitry. The AMR3108A senses the single pole-pair magnet rotation above the chip by AMR sensors, collects the rotating magnetic field signal, transmits it to the digital processing unit, calculates the rotation angle and outputs 12-bit absolute position signals.

The signal period of AMR3108A is 180° rotation angle. Using the reserved inverted switch interface, it can be extended to the detection of 360° rotation angle. AMR3108A outputs 12-bit absolute position signal through SPI communication protocol in a 180° rotation period. At the same time, it is able to output A/B phase programmable incremental position signal with 1 to 1024 pulse and programmable zero-point (Z phase) signal. AMR3108A also provides inverted UVW output, analog and PWM signals, with rotational speed up to 20,000 RPM.

TSSOP16TSSOP16

Features and Benefits

iconAnisotropic magnetoresistance (AMR) technologyiconContactless measurement
iconAvailable in SPI,ABZ differential,UVW,Analog and PWM interfacesicon12-bit absolute position output in SPI mode
icon Programmable A/B interpolation factors from ×1 to ×1024icon Programmable zero position
iconProgrammable inverted UVW output resolution in 1 to 16 pole-pairiconAngular repeatability < ±0.1°
icon Programmable Z pulse width in 1LSB/2LSB/4LSB/90°icon Speeds up to 20,000 RPM
iconProgrammable analog clamping voltage and PWM frequencyiconAdaptive supply voltage: 3.3 V to 5 V
iconRoHS and REACH compliant

Applications

iconContactless angular position measurementiconBrushless motor position sensing
iconRotary speed sensingiconStepper motor

The information provided herein by MultiDimension Technology Co., Ltd. (MDT) is believed to be accurate and reliable. The technology disclosed by MDT does not infringe the patents of other companies and owns independent intellectual property rights. We reserve the right to change the specification of products and/or the information given herein at any time to improve product quality, reliability and functionality. MDT does not assume any liability arising out of the application and use of its products.