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Freescale Semiconductor Electronic Components Datasheet



MAG3110

Digital Magnetometer



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MAG3110 pdf
Freescale Semiconductor
Data Sheet: Technical Data
An Energy Efficient Solution by Freescale
Document Number: MAG3110
Rev. 9.2, 02/2013
Xtrinsic MAG3110 Three-Axis, Digital
Magnetometer
MAG3110
Freescale’s MAG3110 is a small, low-power, digital 3-axis magnetometer.
The device can be used in conjunction with a 3-axis accelerometer to realize an
orientation independent electronic compass that can provide accurate heading
information. It features a standard I2C serial interface output and smart embedded
functions.
The MAG3110 is capable of measuring magnetic fields with an output data rate
(ODR) up to 80 Hz; these output data rates correspond to sample intervals from
12.5 ms to several seconds.
The MAG3110 is available in a plastic DFN package and it is guaranteed to
operate over the extended temperature range of -40°C to +85°C.
Features
• 1.95 V to 3.6 V supply voltage (VDD)
• 1.62 V to VDD IO voltage (VDDIO)
• Ultra small 2 mm x 2 mm x 0.85 mm, 0.4 mm pitch, 10-pin package
• Full-scale range ±1000 T
• Sensitivity of 0.10 T
• Noise down to 0.25 T rms
• Output Data Rates (ODR) up to 80 Hz
• 400 kHz Fast Mode compatible I2C interface
• Low-power, single-shot measurement mode
• RoHS compliant
Applications
• Electronic Compass (e-compass)
• Location-Based Services
Top and Bottom View
10-PIN DFN
2 mm x 2 mm x 0.85 mm
CASE 2154-02
Top View
Cap-A
VDD
NC
Cap-R
GND
1
2
3
4
5
10 GND
9 INT1
8 VDDIO
7 SCL
6 SDA
Pin Connections
Ruggedized Target markets
• Smartphones, personal navigation devices, robotics, UAVs, speed sensing, current sensing and wrist watches with
embedded electronic compasses (e-compass) function.
Table 1. Ordering information
Part number
MAG3110FCR1
FXMS3110CDR1
I2C Address
0x0E
0x0F
Package description
DFN-10
DFN-10
Shipping
Tape and Reel (1000)
Tape and Reel (1000)
© 2011-2013 Freescale Semiconductor, Inc. All rights reserved.



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MAG3110 pdf
Contents
1 Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Application circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 Operating and Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1 Operating characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.4 I2C Interface characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.5 I2C pullup resistor selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3 Modes of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4 Functionality. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.1 Factory calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.2 Digital interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5 Register Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.1 Sensor Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.2 Device ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.3 User Offset Correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.4 Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
5.5 Control Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6 Geomagnetic Field Maps. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
7 PCB Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
7.1 Overview of Soldering Considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
7.2 Halogen Content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
7.3 PCB Mounting Recommendations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Related Documentation
The MAG3110 device features and operations are described in a variety of reference manuals, user guides, and application
notes. To find the most-current versions of these documents:
1. Go to the Freescale homepage at:
http://www.freescale.com/
2. In the Keyword search box at the top of the page, enter the device number MAG3110.
3. In the Refine Your Result pane on the left, click on the Documentation link.
Sensors
2 Freescale Semiconductor, Inc.



Part Number MAG3110
Description Digital Magnetometer
Maker Freescale Semiconductor - Freescale Semiconductor
Total Page 30 Pages
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