MXG2320 Datasheet, PDF (1/1 Pages) MagnaChip Semiconductor. – 3-axis digital compass IC

MXG2320 3-axis digital compass IC
The MXG2320 is a high sensitivity digital compass IC for measuring terrestrial magnetism in
the X-axis, Y-axis, and Z-axis. It combines magnetic sensors for detecting terrestrial
magnetism, a sensor driving circuit, low noise amplifier, high resolution ADC for each
channel and control circuit for low power computation. The MXG2320 supports for low power
mode in addition to normal mode to extend battery life. The built-in temperature sensor can
compensate for offset drift caused by non-linear ADC characteristics for each temperature.
With small footprint and low power consumption, the MXG2320 is suitable for mobile phones
and mobile GPS systems.
Key Feature
 3-axis magnetometer dedicated to compass application
 Embedded ADC for magnetometer output
 14-bit output data for each 3 axis magnetic components
 Resolution: 0.60 µT/LSB typ.
 Measurable range: ±4914 µT
 Serial interface:
 I²C: standard mode and fast mode compliant with Philips I²C specification Ver.2.1
 7 operation modes including power down mode, single measurement mode, continuous
measurement mode, self test mode and fuse ROM access mode
 Operating temperatures: -30°C to +85°C
 Operating supply voltage:
 Analog power supply (V_DD): +2.5 V to +3.6 V (3.0V typ.)
 Digital Interface supply (V_ID ): +1.65 V to V_DD (1.8V typ.)
 Current consumption
 Power-down mode: 1.0 µA (typ.)
 Average in continuous measurement mode: 2.4mA typ. (100Hz repetition rate)
 Package: 8-ball WLCSP
 1.2mm × 1.2mm × 0.5mm (typ.)
Block Diagram
3-axis
Magnetic
Sensor
Low
Noise
Amplifier
Gain
Amplifier
ADC
Main Controller
Interface
VDD
VID
VSS
SAD
SCL
SDA
RSTN
TST
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