Xtrinsic Magnetic Sensors Xtrinsic MAG3110 Magnetometer Highest resolution, low noise and ultra-small size Overview Target Applications The MAG3110 3-axis magnetometer is the latest addition to Freescale’s extensive family of • Electronic compass (eCompass) inertial, pressure and touch sensors. • Map orientation Freescale’s MAG3110 magnetometer can measure magnetic fields in three dimensions with a wide dynamic range of +/-1000 μT. Flexible output data rate and oversampling options allow for noise as low as 0.25 μT and current consumption as low as 8.6 μA. • Location-based services • GPS assist • Remote controls/3D pointers The combination of Freescale’s Xtrinsic MAG3110 magnetometer, MMA8451Q accelerometer and advanced eCompass software enables a full tilt compensated electronic compass solution • 3D motion control and heading to be realized. When the eCompass subsystem is coupled with a GPS or other location-aware • Navigation subsystem, direction dependent location based services can be enabled in end products. • Smartphones The MAG3110 is ideally suited for smartphones, tablets and any portable devices requiring • Tablets electronic compass capability. • Gaming • User interface Xtrinsic MAG3110 Magnetometer Block Diagram Key Features X-axis Y-axis MUX ADC Digital Signal Processing and Control SDA • 2 x 2 mm package SCL • Power as low as 24 uA • 1.95 to 3.6 V operation INT1 Z-axis • Operating temperature range: –40 °C to +85 °C Top View Clock Oscillator Trim Logic Reference + Regulator Vdd VddIO Cap-A GND Vdd INT1 Cap-R Freescale Technology VddIO NC MAG3110 SCL SDA GND 10 pin DFN 2 mm x 2 mm x 0.85 mm Freescale MAG3110 Magnetometer Features and Benefits Features Specifications Benefits Wide dynamic range +/- 1,000 μ Provides flexibility in PCB placement within compact form factor devices that incorporate strong permanent magnets such as vibrator motors and speakers Low noise As low as 0.25 μT Hardware based oversampling options enable high resolution heading determination without the need for host side sample averaging. User can optimize the power vs. noise trade-off in hardware. Power consumption 17.2 μA at 1.25 Hz Flexible low-power options for significant power savings in mobile applications. Current can be further reduced to 8.6 uA at sub 1 Hz ODRs Digital output I2C interface at 400 kHz Works well with other sensors, MCUs and devices Sample rate 80 Hz maximum Wide signal bandwidth of up to 40 Hz Supply voltage 1.95 to 3.6 V Wide operating voltage to cover many applications Operating temperature –40 °C to +85 °C Wide temperature range to cover many applications High sensitivity over the full dynamic range 0.1 μT Full heading resolution over the entire dynamic range Small package 2 x 2 x 0.8 mm 10-pin uDFN Excellent fit for ultra-compact mobile devices Drivers available Examples include Android™, WinCE, Windows® 7, Linux® Operating system flexibility Xtrinsic eCompass software Floating point and integer code that supports all standards, including Android, Windows 8 and other operating systems Xtrinsic calibration software Full range of power and performance of floating point and integer four, seven and 10 element models Freescale: A Leader in Sensing Solutions Expanding on its more than 30-year heritage of sensor innovation, Freescale’s Xtrinsic Development Tools Kit Number Description LFSTBEB3110 The LFSTBEB3110 contains two PCBs: MAG3110 magnetometer and MMA8451 accelerometer daughter card, and the sensor interface board. Customers can purchase the LFSTBUSB communication board separately. RD4247MAG3110 The RD4247MAG3110 is a complete kit containing three PCBs: MAG3110 magnetometer and MMA8451 accelerometer daughter card, sensor interface board and LFSTBUSB communication board for running Freescale’s Sensor Toolbox PC software. sensing solutions are designed with the right combination of high-performance sensing capability, processing capacity and customizable software to help deliver smart, differentiated sensing solutions. With Xtrinsic sensors, our vision is to offer a diverse and differentiated product portfolio to meet the expanding needs of the automotive, Documentation Document Number Description MAG3110 Product specifications data sheet customers differentiate and win in highly MAG3110UG MMA8451Q Accelerometer and MAG3110 Magnetometer User Guide competitive markets. AN4246 Calibrating an eCompass in the Presence of Hard and Soft Iron Interference AN4247 Layout recommendations for PCBs using a magnetometer sensor AN4248 Implementing a tilt-compensated eCompass using accelerometer and magnetometer sensors AN4249 Accuracy of Angle Estimation in eCompass and 3D Pointer Applications consumer and industrial segments. Xtrinsic solutions offer ideal blends of functionality and intelligence designed to help our For more information visit freescale.com/magnetic Freescale, the Freescale logo and Xtrinsic are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. All other product or service names are the property of their respective owners. © 2010–2014 Freescale Semiconductor, Inc. Document Number: MAG3110FS REV 4