Product Brief AK09940 (Asahi Kasei Microdevices)

[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  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 +85˚C  Operating supply voltage:  Analog power supply +1.7V to +1.98V  Digital Interface supply +1.65V to analog power supply voltage  Current consumption:  Power-down: 2 µA (typ.)  Measurement:  Average current consumption at 100 Hz repetition rate  Low power drive 1: 0.04mA (typ.)  Low power drive 2: 0.06mA (typ.)  Low noise drive 1 : 0.11mA (typ.)  Low noise drive 2 : 0.21mA (typ.)  Package:  AK09940 11-pin LGA: 1.6 mm × 1.6 mm × 0.58 mm (typ.) Product brief-E-01 2018/07 - 1 - Document Outline Product brief AK09940 1. General Description 2. Features 3. Block Diagram and Functions 4. Evaluation Kit