the honeywell hmc5883 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 hmc5883 includes our state of the art, high-resolution hmc118x series magneto-resistive sensors plus honeywell developed asic containing amplification, automatic degaussing strap drivers, offset cancellation, 12-bit adc that enables 1° to 2° compass heading accuracy. the i2c serial bus allows for easy interface. the hmc5883 is a 3.0x3.0x0.9mm surface mount 16-pin leadless chip carrier (lcc). applications for the hmc5883 include mobile phones, netbooks, consumer electronics, auto navigation systems, and personal navigation devices.