Datasheet Asahi Kasei Microdevices AK09940

[AK09940] Product brief AK09940 Ultrahigh precision 3-axis Electronic Magnetometer
1. General Description
AK09940 is ultrahigh precision 3-axis electronic magnetometer IC with ultrahigh sensitive TMR sensor
technology.
Small package of AK09940 incorporates magnetic sensors for detecting magnetic field 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.
2. Features  Functions:
 3-axis magnetometer device
 Built-in A to D Converter for magnetometer data out
 18-bit data out for each 3-axis magnetic component
 Sensitivity: 10 nT/LSB (typ.)
 Range: ±1200 µT (typ.)
 Serial interface
 I2C bus interface
Standard and Fast modes compliant with Philips I2C specification Ver.2.1
 4-wire SPI
 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 …