AK8975 Datasheet, PDF (1/34 Pages) Asahi Kasei Microsystems – 3-axis Electronic Compass

[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