AK8975 データシートの表示（PDF） - Asahi Kasei Microdevices

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AK8975

3-axis Electronic Compass

Asahi Kasei Microdevices 

[AK8975/C]

AK8975/AK8975C

3-axis Electronic Compass

1. Features

A 3-axis electronic compass IC with high sensitive Hall sensor technology.

Best adapted to pedestrian city navigation use for cell phone and other portable appliance.

Functions:

• 3-axis magnetometer device suitable for compass application

• Built-in A to D Converter for magnetometer data out

• 13 bit data out for each 3 axis magnetic components

- Sensitivity: 0.3 µT / LSB typ.

• Serial interface

- I2C bus interface.

Standard mode and Fast mode compliant with Philips I2C specification Ver.2.1

- 4-wire SPI

• Operation mode:

Power-down mode, Single Measurement mode, Self test mode and Fuse access mode.

• 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 built-in internal magnetic source

Operating temperatures:

•

-30°C to +85°C

Operating supply voltage:

• Analog power supply

+2.4V to +3.6V

• Digital Interface supply

+1.65V to analog power supply voltage.

Current consumption:

• Power-down:

10 µA max.

• Measurement:

- Average power consumption at 8 Hz repetition rate: 350 µA typ.

Package:

AK8975 16-pin QFN package:

AK8975C 14-pin WL-CSP (BGA):

4.0 mm × 4.0 mm × 0.75 mm

2.0 mm × 2.0 mm × 0.6 mm

MS1187-E-02

-1-

2010/05

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