HMC5983-DEMO【PDF 1/28 页】BOARD DEMO 3AXIS COMPASS HMC5983

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3-Axis Digital Compass IC

HMC5983

Advanced Information

The Honeywell HMC5983 is a temperature compensated three-axis integrated circuit magnetometer. This surface-mount,

multi-chip module is designed for low-field magnetic sensing for applications such as

automotive and personal navigation, vehicle detection, and pointing.

The

HMC5983

includes

our

state-of-the-art,

high-resolution

HMC118X

series

magnetoresistive sensors plus an ASIC containing amplification, automatic degaussing

strap drivers, offset cancellation, and a 12-bit ADC that enables 1° to 2° compass heading

accuracy.

The I2C or SPI serial bus allows for easy interface. The HMC5983 is a

3.0x3.0x0.9mm surface mount 16-pin leadless chip carrier (LCC).

The HMC5983 utilizes Honeywell’s Anisotropic Magnetoresi stive (AMR) technology that provides advantages over other

magnetic sensor technologies. Honeywell’s anisotropic, directional sensors excel in linearity, low hysteresis, null output

and scale factor stability over temperature, and with very low cross-axis sensitivity .

These sensors’ solid-state

construction is designed to measure both the direction and the magnitude of magnetic fields, from milli-gauss to 8 gauss.

Honeywell’s Magnetic Sensors are among the most sensitive and reliable low -field sensors in the industry.

? 3-Axis in a 3.0x3.0x0.9mm LCC Surface

? Small size interface, plus two external SMT Capacitors micro-

FEATURES

Magnetoresistive Sensors and

ASIC

Mount Package

BENEFIT

for Highly Integrated Products. Just add a

controller

designed for high volume, cost sensitive OEM Designs.

Easy to assemble & compatible with High Speed SMT Assembly.

? Automatically maintains s ensor’s sensitivity under wide operating

Temperature Compensated Data Output

and Temperature Output

Automatic Offset Compensation

12-Bit ADC Coupled with Low Noise

AMR Sensors Achieves 2 milli-gauss

Field Resolution

temperature range

? Maximizes sensor ’ s full dynamic range and resolution

? Enables 1° to 2° degree compass heading accuracy

? High-speed SPI up to 8.0 MHz data communications.

I2C (Standard, Fast, High-Speed modes)

or SPI Digital Interface

MHz and

interfaces for fast

I2C up to 3.4

? Set/reset and offset strap drivers for calibration necessary for other

? Sensors can compass in heading magnetic field environments with a 1°

? Compassing Heading, Hard Iron, Soft Iron, and Auto Calibration

Fast 220 Hz Maximum Output Rate

Built-in Self Test

Low Voltage Operations (2.16 to 3.6V)

and Low Power Consumption (100 μ A)

Built-In Strap Drive Circuits

Lead Free Package Construction

Wide Magnetic Field Range (+/-8 Oe)

Software and Algorithm Support

Available

? Enables Pedestrian Navigation and LBS Applications

? Enables low-cost functionality test after assembly in production

? Compatible for battery powered applications

degaussing, self test, and offset

compensation. Eliminates sensor

magnetic sensor technologies.

? RoHS Compliance

be used strong

to 2° degree accuracy

libraries available

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