سنسور و مبدل سنسور مغناطیسی آی‌سی هال خطی و قطب‌نما

Product Attributes

Introduction

AK09918 is 3-axis electronic compass IC with high sensitive Hall sensor technology. Small package of AK09918 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 Smart phone to realize pedestrian navigation function.

Features

• 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 and Fast modes compliant with Philips I²C specification Ver.2.1
• Operation mode: Power-down, Single measurement, Continuous measurement and Self-test
• DRDY function for measurement data ready
• Magnetic sensor overflow monitor function
• Built-in oscillator for internal clock source
• Power on Reset circuit
• Self-test function with internal magnetic source
• Built-in magnetic sensitivity adjustment circuit
• Operating temperatures: -30 ℃ to +85 ℃
• Operating supply voltage: +1.65 V to +1.95 V
• Current consumption: Power-down: 1 μA (typ.)
• Measurement: Average current consumption at 100 Hz repetition rate: 1.1 mA (typ.)