MA730的DATASHEET_MA730资源-CSDN文库

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MagAlpha MA730

14-Bit, Digital, Contactless Angle Sensor

with ABZ Incremental & PWM Outputs

PRELIMINARY SPECIFICATIONS SUBJECT TO CHANGE

MA730 Rev. 0.11 www.MonolithicPower.com 1

12/15/2016 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

Preliminary Specifications Subject to Change © 2016 MPS. All Rights Reserved.

The Future of Analog IC Technology

DESCRIPTION

The MagAlpha MA730 detects the absolute

angular position of a permanent magnet,

typically a diametrically magnetized cylinder on

the rotating shaft. Fast data acquisition and

processing provide accurate angle

measurement at speeds from 0 to more than

50,000 RPM.

The MA730 supports a wide range of magnetic

field strengths and spatial configurations, which

helps to relax mechanical tolerances and

simplify system design. Both end-of-shaft

magnet and off-axis magnet (“side-shaft”

mounting) configurations are supported.

The MA730 features magnetic field strength

detection, with programmable thresholds to

allow sensing of the magnet position relative to

the sensor for creation of functions such a

contactless push button or for diagnostics.

On chip non-volatile memory provides storage

for configuration parameters including the

reference zero angle position, ABZ encoder

settings, and magnetic field detection

thresholds.

FEATURES

 14-Bit Resolution Absolute Angle Encoder

 Contactless Sensing for Long Life

 SPI and SSI Serial Interface for Digital

Angle Readout and Chip Configuration

 Incremental 12-Bit ABZ Quadrature

Encoder Interface with Programmable

Pulses per Turn from 1-1024 per Channel

 14-Bit PWM Output

 Programmable Magnetic Field Strength

Detection for Push Button Press Detection

 3.3V, 11mA Supply

 -40 to +125°C Operating Temperature

 Available in a QFN-16 (3mmx3mm)

Package

APPLICATIONS

 General Purpose Angle Measurement

 High Resolution Angle Encoders

 Automotive Angle or Speed Sensors

 Robotics

A

ll MPS parts are lead-free, halogen-free, and adhere to the RoHS directive. Fo

r

MPS green status, please visit the MPS website under Quality Assurance. “MPS”

and “The Future of Analog IC Technology” are registered trademarks o

f

Monolithic Power Systems, Inc.

TYPICAL APPLICATION

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