Datasheet > MA820

MA820

更新时间： 2024-04-09 19:01:11

品牌	Logo	应用领域
芯源 - MPS		编码器
页数	文件大小	规格书
25页	876K
描述
具有 ABZ 输出和按钮功能的 8 位非接触式角度编码器

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MA820 数据手册

MagAlpha MA820

8-Bit Contactless Angle Encoder with

ABZ Output and Push Button Function

DESCRIPTION

FEATURES

The MA820 is an easy-to-use, magnetic, angle

encoder designed to replace analogic

potentiometers or rotary switches. The MA820

is designed for slow operation such as human-

machine interface, manual controls, etc. where

the rotating speed remains below 200 rpm. The

sensor detects the absolute angular position of

a permanent magnet attached to a rotating

shaft and outputs incremental ABZ encoder

data. The number of pulses per channel for

each A or B output is programmable from 1 to

64 via an SPI interface.

•

8-Bit Resolution Absolute Angle Encoder

Contactless Sensing for Long Life with No

Wear

SPI Serial Interface for Chip Configuration

Incremental ABZ Encoder Interface with 1 -

64 Programmable Pulses Per Channel

Programmable Magnetic Field Strength

Detection for Push/Pull Button Detection

3.3V, 12mA Supply

•

-40 to +125°C Operating Temperature

Available in

Package

QFN-16 (3mmx3mm)

Magnet shapes and configurations are very

flexible. Typically, the MA820 is used with a

diametrically magnetized cylinder of 2 - 8mm in

diameter.

APPLICATIONS

•

Rotary Knob Control Interfaces

Manual Controls

Encoders

Automotive

White Goods

The MA820 features programmable magnetic

field strength thresholds, which allow for the

implementation of a push or pull button

function. These are output as two logic signals.

All MPS parts are lead-free, halogen-free, and adhere to the RoHS

directive. For MPS green status, visit the MPS website under Quality

Assurance. “MPS”, the MPS logo, and “Simple, Easy Solutions” are

registered trademarks of Monolithic Power Systems, Inc. or its subsidiaries.

On-chip non-volatile memory provides storage

for configuration parameters, including the

reference zero angle position, ABZ pulses per

channel, and magnetic field detection threshold

settings.

TYPICAL APPLICATION

MA820 Rev. 1.1

8/8/2022

www.MonolithicPower.com

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

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