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AK09912 Datasheet, PDF (1/42 Pages) HuaXinAn Electronics CO.,LTD – 3-axis Electronic Compass
[AK09912]
AK09912
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
 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.2.1
 4-wire SPI
 Operation mode
 Power-down, Single measurement, Continuous measurement, External trigger measurement, Self-test and
Fuse ROM access
 DRDY (Data Ready) 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 Noise Suppression Filter (NSF)
 Built-in temperature sensor
 Operating temperatures:

-30˚C to +85˚C
 Operating supply voltage:
 Analog power supply
+1.7V to +3.6V
 Digital Interface supply
+1.65V to analog power supply voltage
 Current consumption:
 Power-down:
3 µA (typ.)
 Measurement:
 Average current consumption at 100 Hz repetition rate: 1 mA (typ.)
 Package:
 AK09912C 14-pin WL-CSP (BGA):
1.6 mm  1.6 mm  0.5 mm (typ.)
MS1547-E-02
-1-
2014/7