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YAS525B Dataheets PDF



Part Number YAS525B
Manufacturers YAMAHA
Logo YAMAHA
Description Magnetic field Sensor
Datasheet YAS525B DatasheetYAS525B Datasheet (PDF)

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 I2C 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 ● A manufacturing process that makes magnetic sensor on a Si wafer with high precision r.

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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 I2C 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 ● A manufacturing process that makes magnetic sensor on a Si wafer with high precision realizes integration with peripheral circuits. ● High sensitive geomagnetic sensor IC is realized by integrating a magnetic sensor and a low noise buffer amplifier. ● High noise immunity is improved by digitizing output from geomagnetic sensor IC. ● External interface supports I2C bus (100kbps/400kbps, slave mode). ● Geomagnetic sensor with superior high board density and low-power consumption. ● Automatic power-down control mode is available after measurements. ● Others. Manufacturing process .......................... CMOS + Magnetic Sensor Package ................................................. Lead-free 8-ball WLCSP Package (YAS525B-WZ) Power supply voltage ............................ 2.5 ~ 3.3V Operating temperature .......................... -20 ~ +85°C Power consumption during operation ... 10mW (VDD=3.0V,when magnetic field is measured.) Magnetic sensor section Measuring magnetic field range ... ±300µT Resolution ..................................... ≦0.6µT/count Measuring time ..................................... within 10ms/magnetic sensor mono-axial measurement YAS525B CATALOG CATALOG No.: LSI-BAS525B21 2007.6 YAS525B „ Pin Description Here is a figure for pin assignment and a table for pin descriptions. 35 4 26 8 17 53 4 62 8 71 8Pin WLCSP Top View 8Pin WLCSP Bottom View Pin Descriptions Pin No. Name I/O Function 1 T2 I+ Test input (Use in non-connection) 2 VSS - Ground 3 T1 I+ Test mode (Use in non-connection) 4 SCL Is Serial Clock 5 NC - Non-connection 6 VDD - Power supply (typ 3V) 7 NC - Non-connection 8 SDA Is/Od Serial data Note: Pin 1 and pin 3 are used in non-connection. Pin 5 is connected to pin 7 in the chip. I+ : Input with pull-up resistor Is : Schmitt trigger input Od : Open drain output „ Pin Functions z Power Supply (VDD, VSS) These pins are for power supply of YAS525B. z Serial Data Interface (SCL, SDA) SCL - Serial clock input pin. This pin is used with an external pull-up register. SDA - Serial data input/output pin. This pin is used with an external pull-up register. z Others (T1, T2) T1 - Test mode control pin. Use this pin in non-connection. T2 - Test input pin. Use this pin in non-connection. 2 YAS525B „ Block Diagram Here is the internal block diagram of YAS525B. X-axis Magnetic Sensor Initialization Coils Y-axis Magnetic Sensor Thermal Sensor Buffer Amplifier A/D Converter Clock Generator T1 T2 Power-down Controller Serial Data Interface (Registers) Power-on Reset Circuit Block Di.


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