IST8309

1.29 x 0.99 x 0.53 mm³, WLCSP
3-axis vertical Hall sensor, I²C interface
Dynamic Range: ± 30 mT
Resolution: 2.5 uT/LSB
Output Data Rate: 500 Hz, 8~16-bit adjustable output
360° absolute output, calculated on the chip
Programmable switch function

Download Datasheet

iSentek IST8309 is a 3D digital linear Hall sensor designed to measure magnetic flux intensity. It is an integrated chip with magnetic sensors and a control ASIC with 16-bit ADC output. IST8309 provides an I²C digital output with fast mode plus up to 400 kHz. Its wide dynamic range, high resolution, and compact form factor make it ideal for smartphones, wearables, and IoT devices.

Features

• Single chip 3-axis linear Hall sensor with digital output
• 3-axis programmable magnetic switch function
• INTB pin for event notification (Magnetic switch, DRDY, Overflow)
• Compact form factor, 1.29 x 0.99 x 0.53 mm³, 5-pin WLCSP-BGA package
• I²C bus supports fast mode plus up to 400 kHz
• Two slave addresses
• High dynamic range of maximum ± 30 mT
• High resolution of maximum 2.5 uT/LSB
• Absolute 360 degree angle output
• High output data rate of maximum 500 Hz
• 8~16-bit adjustable data output
• Operation Temperature: -40~85°C
• Built-in oscillator for internal clock source
• Power-on Reset circuit

Block Diagram

Applications

• Magnetometer for external magnet detection
• Displacement detection
• Foldable device angle detection
• Angle sensor application