Linear Hall Sensor

IST8801

IST8801

1.3 x 1.3 x 0.53 mm3, 9-pin WLCSP
I2C interface
Dynamic range: ± 40.96 mT (max.)
Output Data Rate: 500 Hz (max.)
Resolution: 0.3125 uT/LSB
8~16 bit adjustable data output
Interrupt function

Download Datasheet

iSentek IST8801 is a 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. IST8801 provides an I2C digital output with fast mode up to 400 kHz. Its wide dynamic range, high resolution, and compact form factor make it ideal for handheld, wearable, and IoT devices.

Features

  • Ultra-compact package size
  • Ultra-low hysteresis (~0.1 %FS)
  • Low suspend current of 0.5uA
  • Wide operating temperature range
  • High precision temperature compensation
  • Built-in self-test function
  • Built-in noise suppression filter
  • Software and algorithm support available (For tilt compensation, soft/hard-iron calibration)

Block Diagram

IST8801

Applications

  • Magnetometer for external magnet detection
  • Lid opening angle detection
  • Displacement detection
  • Angle detection (Dual IC)