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Honeywell International Electronic Components Datasheet

HMC5983 Datasheet

3-Axis Digital Compass IC

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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 Magnetoresistive (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.
FEATURES
3-Axis Magnetoresistive Sensors and
ASIC in a 3.0x3.0x0.9mm LCC Surface
Mount Package
BENEFIT
Small size for Highly Integrated Products. Just add a micro-
controller interface, plus two external SMT Capacitors
designed for high volume, cost sensitive OEM Designs.
Easy to assemble & compatible with High Speed SMT Assembly.
Temperature Compensated Data Output Automatically maintains sensor’s sensitivity under wide operating
and Temperature Output
temperature range
Automatic Offset Compensation
12-Bit ADC Coupled with Low Noise
AMR Sensors Achieves 2 milli-gauss
Field Resolution
Maximizes sensors full dynamic range and resolution
Enables 1° to 2° degree compass heading accuracy
I²C (Standard, Fast, High-Speed modes) High-speed interfaces for fast data communications. I²C up to 3.4
or SPI Digital Interface
MHz and SPI up to 8.0 MHz
Fast 220 Hz Maximum Output Rate
Built-in Self Test
Enables Pedestrian Navigation and LBS Applications
Enables low-cost functionality test after assembly in production
Low Voltage Operations (2.16 to 3.6V)
and Low Power Consumption (100 μA)
Built-In Strap Drive Circuits
Lead Free Package Construction
Wide Magnetic Field Range (+/-8 Oe)
Software and Algorithm Support
Available
Compatible for battery powered applications
Set/reset and offset strap drivers for degaussing, self test, and offset
compensation. Eliminates sensor calibration necessary for other
magnetic sensor technologies.
RoHS Compliance
Sensors can be used in strong magnetic field environments with a 1°
to 2° degree compass heading accuracy
Compassing Heading, Hard Iron, Soft Iron, and Auto Calibration
libraries available
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Honeywell International Electronic Components Datasheet

HMC5983 Datasheet

3-Axis Digital Compass IC

No Preview Available !

HMC5983
SPECIFICATIONS (* Tested and specified at 25°C except stated otherwise.)
Characteristics
Power Supply
Supply Voltage
Average Current Draw
Conditions*
VDD Referenced to AGND
VDDIO Referenced to DGND
Idle Mode
Measurement Mode (7.5 Hz ODR;
No measurement average, MA1:MA0 = 00)
Specified at: VDD = 2.5V, VDDIO = 1.8V
Min
2.16
1.71
-
-
Typ Max
Units
2.5 3.6
1.8 VDD+0.1
2-
100 -
Volts
Volts
μA
μA
Performance
Field Range
Mag Dynamic Range
Sensitivity (Gain)
Digital Resolution
Noise Floor
(Field Resolution)
Linearity
Hysteresis
Cross-Axis Sensitivity
Output Rate (ODR)
Measurement Period
Turn-on Time
Gain Tolerance
I²C Address
Clock Rate
I²C Hysteresis
Self Test
Temperature Sensor
Accuracy
Sensitivity Tempco
Full scale (FS)
3-bit gain control
VDD=3.0V, GN=0 to 7, 12-bit ADC
VDD=3.0V, GN=0 to 7, 1-LSb, 12-bit ADC
VDD=3.0V, GN=0, No measurement
average, Standard Deviation 100 samples
(See typical performance graphs below)
±2.0 gauss input range
±2.0 gauss input range
Test Conditions: Cross field = 0.5 gauss,
Happlied = ±3 gauss
Continuous Measurment Mode
Single Measurement Mode
From receiving command to data ready
Ready for I²C commands
Analog Circuit Ready for Measurements
All gain/dynamic range settings
8-bit read address
8-bit write address
Controlled by I²C /SPI Master
I²C
SPI
Hysteresis of Schmitt trigger inputs on SCL
and SDA - Fall (VDDIO=1.8V)
Rise (VDDIO=1.8V)
X & Y Axes
Z Axis
X & Y & Z Axes (GN=5) Positive Bias
X & Y & Z Axes (GN=5) Negative Bias
3σ at T > 0°C
3σ at T = -25°C
3σ at T = -40°C
TA = -40 to 85°C, Compensated Output
Temperature Sensor On
-8 +8
±1 ±8
230 1370
0.73 4.35
2
±25
±0.2%
0.1
0.75 220
160
6
200
50
±5
0x3D
0x3C
3400
8000
243
-575
0.2*VDDIO
0.8*VDDIO
±1.16
±1.08
-0.03
(3σ =0.12)
575
-243
7
11
14
gauss
gauss
LSb/gauss
milli-gauss
milli-gauss
±% FS
ppm
%FS/gauss
Hz
ms
μs
ms
%
hex
kHz
Volts
gauss
LSb
°C
%/°C
2 www.honeywell.com
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Part Number HMC5983
Description 3-Axis Digital Compass IC
Maker Honeywell
Total Page 28 Pages
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