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Honeywell
Honeywell

HMC6343 Datasheet

3-Axis Digital Compass Module


HMC6343 Datasheet Preview


Three-axis Compass with Algorithms
HMC6343
The Honeywell HMC6343 is a fully integrated compass module that includes
firmware for heading computation and calibration for magnetic distortions.
The module combines three-axis magneto-resistive sensor, three-axis MEMS
accelerometer, analog and digital support circuits, microprocessor and
algorithms required for heading computation. By combining the sensor
elements, processing electronics, and firmware into a 9.0mm by 9.0mm by
1.9mm LCC package, Honeywell offers a complete, ready to use tilt-
compensated electronic compass. This provides design engineers with the
simplest solution to integrate high volume, cost effective compasses into
binoculars, cameras, night vision optics, laser ranger finders, antenna
positioning, and other industrial compassing applications.
The HMC6343 utilizes Honeywell’s Anisotropic Magnetoresistive (AMR) technology that provides advantages over other
magnetic sensor technologies. The sensors feature precision sensitivity and linearity, solid-state construction with very
low cross-axis sensitivity designed to measure both direction and magnitude of Earth’s magnetic field. Honeywell’s
Magnetic Sensors are among the most sensitive and reliable low-field sensors in the industry.
FEATURES
BENEFITS
Compass with Heading/Tilt Outputs
A complete compass solution including compass firmware
Three-Axis MR Sensors, Accelerometers A digital compass solution with heading and tilt angle outputs in a
and a Microprocessor in a Single
chip-scale package
Package
Compass Algorithms
For computation of heading, and magnetic calibration for hard-iron
9 x 9 x 1.9mm LCC Surface Mount
Package
Small size, easy to assemble and compatible with high speed
surface mount technology assembly
Low Voltage Operations
Compatible with battery powered applications
EEPROM Memory
To store compass data for processor routines
Digital Serial Data Interface
I2C Interface, easy to use 2-wire communication for heading output
Lead Free Package Construction
Flexible Mounting
Complies with RoHS environmental standards
Can be mounted on horizontal or vertical circuit boards
Page 1

HMC6343
SPECIFICATIONS
Characteristics
Conditions
Power Supply
Supply Voltage(1)
Current(3)
Power-on Rate(1)
(microprocessor)
VDD Referenced to GND
All VDD pins connected together
Run Mode (10Hz Output)
Standby Mode
Sleep mode
Power-up peak (VDD = 3.3V)
Minimum rise time
Compass Function
Field Range(3)
Heading Accuracy
Heading Resolution(3)
total applied magnetic field
(de-gauss if exposed to >5gauss)
At Level(2)
±15° tilt(3)
±60° tilt(3)
Output Data
Heading
Repeatability(3)
Heading Hysteresis(3)
Update Rate(1)
Tilt Range(3)
Tilt Accuracy
Tilt Resolution(3)
Tilt Repeatability(3)
Output Data (1σ)
Output Data (1σ)
Run Mode (1, 5, 10Hz)
From Horizontal
0° to ±15°(2)
±15° to ±60°(3)
Output Data
Output Data (1σ)
Offset Straps
Resistance(1)
Measured from OFF+ to OFF-
General
Operating
Temperature(3)
Ambient
Storage
Temperature(3)
Ambient, unbiased
Weight(3)
ESD Voltage(3)
MSL(3)
Moisture Sensitivity Level
Solder Temp(3)
Peak Reflow Temp (< 30 seconds)
(1) By Design
(2) Tested at 25°C and 3.3V except stated otherwise.
(3) Characterized
Min Typ Max
Units
2.7 3.3
4.5
4.0
120
20
0.05 -
3.6
-
Volts
mA
mA
µA
mA
V/msec
-1500
+1500
mgauss
2.0 3.0 deg RMS
3.0
4.0
0.1 degrees
±0.3 degrees
±0.3
1 5 10
±80
±1
±2
0.1
±0.2
degrees
Hz
degrees
degrees
degrees
degrees
8 ohms
-40 85
-55 125
0.32
250
3
250
°C
°C
grams
V
-
°C
www.magneticsensors.com
2
Page 2

HMC6343
PIN CONFIGURATION
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Description
NC
NC
VDD
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
Z OFF-
Z OFF+
NC
NC
Pin Number
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
Description
X OFF-
X OFF+
NC
NC
Y OFF-
Y OFF+
NC
NC
NC
NC
GND
NC
NC
SCK/SCL
NC
NC
DRDY
SDA
NC 9
NC 8
NC 7
NC 6
NC 5
NC 4
VDD 3
NC 2
NC 1
Z
X
Y
19 X OFF-
20 X OFF+
21 NC
22 NC
23 Y OFF-
24 Y OFF+
25 NC
26 NC
27 NC
www.magneticsensors.com
BOTTOM VIEW
3
Page 3
Part Number HMC6343
Manufactur Honeywell
Description 3-Axis Digital Compass Module
Total Page 15 Pages
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