AK09940 Overview
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, Yaxis, 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.
AK09940 Key Features
- 3-axis magnetometer device
- Built-in A to D Converter for magnetometer data out
- 18-bit data out for each 3-axis magnetic ponent
- Sensitivity: 10 nT/LSB (typ.)
- Range: ±1200 µT (max.)
- Serial interface
- I2C bus interface
- 4-wire SPI
- Operation mode
- Power-down, Single measurement, Continuous measurement and Self-test