G-MRMO-031 datasheet, PDF - EEWORLD Datasheet

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G-MRMO-031: Descriptionencoders absolute encoder contactless 360deg; CategoryTopical application Mechanical and electrical/engineering/automation; File Size824KB，15 Pages; ManufacturerMeasurement Specialties（TE Connectivity）; Websitehttp://www.te.com/usa-en/products/brands/meas.html?tab=pgp-story

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encoders absolute encoder contactless 360deg

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KMA36 Contactless Rotational and Linear Encoder

•

Contactless Absolute 360° (180°) angle measurement

Incremental mode

Linear mode

Standard I2C Interface (100 kHz)

Programmable resolution up to 13 bit (0.04 degree)

Very low hysteresis

High accuracy mode

User programmable parameters

Low power mode

Sleep and automatic wake-up over I2C

Programmable zero position

Device address hardware configurable

Small Pb-Free package (TSSOP20)

RoHS compliant

DESCRIPTION

The KMA36 is a highly reliable universal magnetic position sensor for precise rotational or linear

measurement with a resolution up to 0.04 degree. These digital position sensors feature a system-on-chip

technology that combines a magnetoresistive element along with analog to digital converter and signal

processing in a standard small package. By using Anisotropic Magneto Resistive (AMR) technology, the

KMA36 is able to determine accuractly and non-contacting the magnetic angle of an external magnet over

360°, as well as the incremental position on a magnetic pole strip with 5 mm pole length. Its sleep and low

power mode as well as automatic wake-up over I2C – make the KMA36 ideal for many battery applications.

Position data can be transmitted using a PWM or digital two-wire (SDA, SCL) communication bus. Using the

programmable parameters of this digital position sensor, the user can have access to a wide range of

configuration to ensure the maximum of freedom and functionalities.

Used as both a linear position sensor or a rotary position sensor, these KMA36 magnetoresistive sensors

tolerances, changes in temperature or thermal stress. The maintenance-free operation and high bandwidth

of this universal magnetic encoder makes it a good choice for dynamic applications in harsh environments.

KEY-FEATURES

Resolution

Operating power supply range of 3V to 5.5V

Operating temperature

Average current

Sleep current

Data Update rate

I C Clockrate

13 Bit / 0.04 degree

3.0 – 5.5V

- 25 - +85 °C

10 – 30 mA

1.2 mA

24 – 720 Hz

Up to 100 kBit/s

APPLICATIONS

Industrial environment

Harsh environment

Handling machine

Machine tools

Robotics

Potentiometer

Motor motion control

KMA36 Rev 7

www.meas-spec.com

1/15

2014-April

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