YAS525B
MS-1C
Magnetic field Sensor
Overview
YAS525B is the biaxial geomagnetic sensor IC integrating a high sensitivity biaxial magnetic sensor, a
buffer amplifier, an AD converter (ADC), a clock generator, and serial data interface (supports I
2
C bus) on
one chip.
YAS525B allows you to make up a high sensitive, compact and low-power electronic compass in a portable
GPS system or a mobile phone.
Features
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A manufacturing process that makes magnetic sensor on a Si wafer with high precision realizes
integration with peripheral circuits.
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High sensitive geomagnetic sensor IC is realized by integrating a magnetic sensor and a low noise buffer
amplifier.
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High noise immunity is improved by digitizing output from geomagnetic sensor IC.
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External interface supports I
2
C bus (100kbps/400kbps, slave mode).
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Geomagnetic sensor with superior high board density and low-power consumption.
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Automatic power-down control mode is available after measurements.
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Others.
Manufacturing process .......................... CMOS + Magnetic Sensor
Package ................................................. Lead-free 8-ball WLCSP Package (YAS525B-WZ)
Power supply voltage ............................ 2.5
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3.3V
Operating temperature .......................... -20
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+85擄C
Power consumption during operation ... 10mW (V
DD
=3.0V錛寃hen magnetic field is measured.)
Magnetic sensor section
Measuring magnetic field range ... 鹵300碌T
Resolution .....................................
鈮?.6碌T/count
Measuring time ..................................... within 10ms/magnetic sensor mono-axial measurement
YAS525B CATALOG
CATALOG No.: LSI-BAS525B21
2007.6
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