Document
[AK09915]
AK09915
3-axis Electronic Compass
1. General Description
AK09915 is 3-axis electronic compass IC with high sensitive Hall sensor technology. Small package of AK09915 incorporates magnetic sensors for detecting terrestrial magnetism in the X-axis, Y-axis, and Z-axis, a sensor driving circuit, signal amplifier chain, and an arithmetic circuit for processing the signal from each sensor. Self-test function is also incorporated. From its compact foot print and thin package feature, it is suitable for map heading up purpose in GPS-equipped smart phone and tablet to realize pedestrian navigation function.
2. Features
Functions: 3-axis magnetometer device suitable for compass application Built-in A to D Converter for magnetometer data out 16-bit data out for each 3-axis magnetic component Sensitivity: 0.15 µT/LSB (typ.) Serial interface I2C bus interface Standard, Fast and High-speed modes (up to 2.5 MHz) compliant with Philips I2C
specification Ver.2..