Linear Hall Sensor



1.3 x 1.3 x 0.53 mm9-pin WLCSP
I2C interface
Dynamic range: ± 40.96 mT (max.)
ODR: 500 Hz (max.)
Resolution: 0.3125 uT/LSB
8~16 bit adjustable data output
Interrupt function


iSentek IST8801 is a digital linear hall sensor to measure magnetic flux intensity. It is an integrated chip with magnetic sensors and control ASIC with 16-bit ADC output. IST8801 provides an I2C digital output with fast mode up to 400 kHz. Wide dynamic range operation, high resolution and compact form factor features make it the best candidate for handheld, wearable and IoT devices.


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



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