AK09940
AK09940 is Ultrahigh precision 3-axis Electronic Magnetometer manufactured by Asahi Kasei Microdevices.
[AK09940]
= Preliminary =
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, 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.
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 ponent
- Sensitivity: 10 n T/LSB (typ.)
- Range: ±1200 µT (max.)
- Serial interface
- I2C bus interface
Standard and Fast modes pliant 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
- Self-test function with internal magnetic source
- Built-in temperature sensor
- Built-in magnetic sensitivity adjustment circuit
- 8 FIFO data buffer
- Selectable sensor drive
- Low power drive / Low noise drive
Operating temperatures:
- -30˚C to...
