TMR3101Absolute Rotary Encoder

MultiDimension Technology Co., Ltd.

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Web: www.dowaytech.com/en, Email: info@dowaytech.com

MDT TMR3101

No.7 Guangdong Road, Zhangjiagang Free Trade Zone, Jiangsu, 215634, P.R. China

Ver. 1.0a1

10-bit Absolute Magnetic Rotary Encoder

1

Introduction

TMR3101 is a contactless absolute magnetic rotary encoder. It is designed

for measuring single-turn absolute angular position from 0 - 360º

, or it

can be used as an incremental encoder with pulse output signals.

TMR3101 is designed with Tunneling Magnetoresistance (TMR) angle

sensors and integrated with digital signal processing circuitry. Paired with

a magnet that is magnetized along the radial direction, it can measure 0-360ºangular position

in 10-bit (1024-line) resolution, with the angular resolution at 0.35º

. It supports multiple

output interfaces, including PWM, SPI, dual-pulse with zero position, single-pulse with zero

position and direction output, or UVW output.

1.1 Features

 360°angular position measurement

 Contactless measurement suitable for complicated operating environment

 Wide operating magnetic field range, allowing exceptional jitter tolerance

 Magnetic sensor operates in saturation range, providing enhanced noise immunity

 Angular resolution up to 0.35°

 Multiple output interfaces including SPI/PWM/ABZ/UVW/PDI

 High-speed SPI bus at 5MHz

 Fast PWM refresh rate

 10-bit continuous angular position output @3000RPM in real-time

 1024-line incremental output @10000RPM

 Pulse width variation < 10%

 Operating temperature range: -40℃~125℃

 Compact LGA package in 5mm*5mm*0.9mm

 Single-turn/multi-turn absolute rotary encoder

 Contactless angular position measurement

 Steering wheel position detection

 Gas pedal position detection

 Rotary position knobs

1.2 Applications

 Single-turn/multi-turn absolute rotary encoder

 Contactless angular position measurement

 Steering wheel position detection

 Gas pedal position detection

 Rotary position knobs