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AK8975C

Asahi Kasei Microsystems
Part Number AK8975C
Manufacturer Asahi Kasei Microsystems
Description 3-axis Electronic Compass
Published Apr 30, 2015
Detailed Description [AK8975/C] AK8975/AK8975C 3-axis Electronic Compass 1. Features A 3-axis electronic compass IC with high sensitive Hal...
Datasheet PDF File AK8975C PDF File

AK8975C
AK8975C

Overview
[AK8975/C] AK8975/AK8975C 3-axis Electronic Compass 1.
Features A 3-axis electronic compass IC with high sensitive Hall sensor technology.
Best adapted to pedestrian city navigation use for cell phone and other portable appliance.
Functions: • 3-axis magnetometer device suitable for compass application • Built-in A to D Converter for magnetometer data out • 13 bit data out for each 3 axis magnetic components - Sensitivity: 0.
3 µT / LSB typ.
• Serial interface - I2C bus interface.
Standard mode and Fast mode compliant with Philips I2C specification Ver.
2.
1 - 4-wire SPI • Operation mode: Power-down mode, Single Measurement mode, Self test mode and Fuse access mode.
• 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 built-in internal magnetic source Operating temperatures: • -30°C to +85°C Operating supply voltage: • Analog power supply +2.
4V to +3.
6V • Digital Interface supply +1.
65V to analog power supply voltage.
Current consumption: • Power-down: 10 µA max.
• Measurement: - Average power consumption at 8 Hz repetition rate: 350 µA typ.
Package: AK8975 16-pin QFN package: AK8975C 14-pin WL-CSP (BGA): 4.
0 mm × 4.
0 mm × 0.
75 mm 2.
0 mm × 2.
0 mm × 0.
6 mm MS1187-E-02 -1- 2010/05 [AK8975/C] 2.
Overview AK8975/C is 3-axis electronic compass IC with high sensitive Hall sensor technology.
Small package of AK8975/C 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 cell phone to realize pedestrian navigation function.
AK8975/C has the following features: (1) Silicon monolithic Hall-effect magnetic senso...


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