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Honeywell International Electronic Components Datasheet

HMC5883L Datasheet

3-Axis Digital Compass IC

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3-Axis Digital Compass IC
HMC5883L
Advanced Information
The Honeywell HMC5883L is a surface-mount, multi-chip module designed for
low-field magnetic sensing with a digital interface for applications such as low-
cost compassing and magnetometry. The HMC5883L includes our state-of-the-
art, high-resolution HMC118X series magneto-resistive 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
serial bus allows for easy interface. The HMC5883L is a 3.0x3.0x0.9mm surface
mount 16-pin leadless chip carrier (LCC). Applications for the HMC5883L
include Mobile Phones, Netbooks, Consumer Electronics, Auto Navigation
Systems, and Personal Navigation Devices.
The HMC5883L utilizes Honeywell’s Anisotropic Magnetoresistive (AMR) technology that provides advantages over other
magnetic sensor technologies. These anisotropic, directional sensors feature precision in-axis sensitivity and linearity.
These sensors’ solid-state construction with very low cross-axis sensitivity is designed to measure both the direction and
the magnitude of Earth’s 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
12-Bit ADC Coupled with Low Noise
AMR Sensors Achieves 2 milli-gauss
Field Resolution in ±8 Gauss Fields
Built-In Self Test
Low Voltage Operations (2.16 to 3.6V)
and Low Power Consumption (100 μA)
Built-In Strap Drive Circuits
I2C Digital Interface
Lead Free Package Construction
Wide Magnetic Field Range (+/-8 Oe)
Software and Algorithm Support
Available
Fast 160 Hz Maximum Output Rate
BENEFITS
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
Enables 1° to 2° Degree Compass Heading Accuracy
Enables Low-Cost Functionality Test after Assembly in Production
Compatible for Battery Powered Applications
Set/Reset and Offset Strap Drivers for Degaussing, Self Test, and
Offset Compensation
Popular Two-Wire Serial Data Interface for Consumer Electronics
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
Enables Pedestrian Navigation and LBS Applications


Honeywell International Electronic Components Datasheet

HMC5883L Datasheet

3-Axis Digital Compass IC

No Preview Available !

HMC5883L
SPECIFICATIONS (* Tested at 25°C except stated otherwise.)
Characteristics
Power Supply
Supply Voltage
Average Current Draw
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
Conditions*
VDD Referenced to AGND
VDDIO Referenced to DGND
Idle Mode
Measurement Mode (7.5 Hz ODR;
No measurement average, MA1:MA0 = 00)
VDD = 2.5V, VDDIO = 1.8V (Dual Supply)
VDD = VDDIO = 2.5V (Single Supply)
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
Gain Tolerance
I2C Address
I2C Rate
I2C Hysteresis
Self Test
Sensitivity Tempco
General
ESD Voltage
Operating Temperature
Storage Temperature
All gain/dynamic range settings
8-bit read address
8-bit write address
Controlled by I2C Master
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
TA = -40 to 125°C, Uncompensated Output
Human Body Model (all pins)
Charged Device Model (all pins)
Ambient
Ambient, unbiased
2
Min
2.16
1.71
-
-
-8
±1
230
0.73
0.75
243
-575
-30
-40
Typ Max
Units
2.5 3.6
1.8 VDD+0.1
2-
100 -
Volts
Volts
μA
μA
+8 gauss
±8 gauss
1370 LSb/gauss
4.35 milli-gauss
2 milli-gauss
±25
±0.2%
0.1 ±% FS
ppm
%FS/gauss
6
200
50
±5
0x3D
0x3C
75
160
400
Hz
Hz
ms
μs
ms
%
hex
hex
kHz
0.2*VDDIO
0.8*VDDIO
±1.16
±1.08
-0.3
575
-243
Volts
Volts
gauss
LSb
%/°C
2000
750
85
125
Volts
°C
°C
www.honeywell.com


Part Number HMC5883L
Description 3-Axis Digital Compass IC
Maker Honeywell
Total Page 20 Pages
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